4-hydroxybutanoic acid lactone

It is an endogenous compound made from gamma-aminobutyrate and is the precursor of gamma-hydroxybutyrate. bullet EMEDICINE: "GHB is readily manufactured from its precursor, gamma-butyrolactone (also known as 2(3h)-furanone dihydro or GBL). It is the simplest 4-carbon lactone. Draw the structural formula of this lactone. Unlawful administration of a substance. 1: decan-4-olide [Supplementary Concept] Date introduced: January 20, 1998 Registry Number: 7HLS05KP9O Heading Mapped to: Lactones Entry Terms: 4-decanolide 4-hexyl-4-butanolide 4-n-hexyl-4-hydroxybutanoic acid lactone gamma-lactone decanoic acid gamma-decalactone 5-hexyldihydro-2(3H)-furanone gamma-decanolactone F. Chemical properties Question: B. The equilibrium constant for this reaction is 0.39. 5g. 219 4-hydroxybutyric acid lactone: DG SANTE Food Flavourings: 10.006 butyro-1,4-lactone: FEMA Number: 3291 4-hydroxybutyric acid lactone: FDA: No longer provide for the use of these seven synthetic flavoring substances: FDA Mainterm (SATF): 96-48-0 ; 4-HYDROXYBUTANOIC ACID LACTONE Shop Alfa Aesar™ gamma-Phenyl-gamma-butyrolactone, 97% at Fishersci.ie 5g. 4-Hydroxypentanoic acid lactone . CAS number 706-14-9. (d) As used in this section, "administration of a substance" means any method of causing the ingestion by another person of a controlled substance, including gamma hydroxybutyric acid, or any controlled substance analog, as defined in K.S.A. HCl (37 wt%) and chlorobenzene (≥99.0%) were purchased from Sinopharm Chemical Reagent Corporation Co., Ltd. Spiro-OMeTAD (≥99.0%) was ordered from Youxuan Tech. Gamma-hydroxybutyric acid; 4-hydroxybutanoic acid. Gamma butyrolactone is a chemical. 4-Hydroxybutanoic Acid is a naturally occurring short-chain fatty acid, and immediate precursor of gamma amino butyric acid ( GABA) with neuromodulatory and anesthetic properties. 4-Hydroxybutyric Acid (GHB) is found in all human tissues, with the highest concentration in the brain. Molecular Weight 86.09 . gamma-Undecalactone. The extract of Anoectochilus formosanus showed significant activity in decreasing the levels of the cytosolic enzymes LDH, GOT, and GPT, and the result demonstrated that A. formosanus possessed prominent hepatoprotective activity against CCl(4)-induced hepatotoxicity. gamma-Caprolactone can be analyzed by this reverse phase (RP) HPLC method with simple conditions. Compound gamma-Valerolactonewith free spectra: 6 NMR, 11 FTIR, 2 Raman, 2 Near IR, and 26 MS. 4-BUTYROLACTONE can react with oxidizing materials, inorganic acids and bases, alcohols and amines. Rapidly hydrolyzed by bases and slowly hydrolyzed by acids. It is volatile with steam. Registration dossier . Synonyms 2(3H)-Furanone, 5-hexyldihydro-4-Hydroxydecanoic acid, gamma-lactone 4-n-Hexyl-4-hydroxybutanoic acid lactone In basic media γ-hydroxybutyrate (GHB) will predominate while in acid media the lactone … When treated with an acid catalyst, 4­hydroxybutanoic acid forms a cyclic ester (a lactone). 0.1 Kilograms (Min Order) Shanghai Kayi Chemical Co., Ltd. CN 4 YRS. As nouns the difference between lactone and butanolide is that lactone is (organic chemistry) a cyclic intramolecular ester derived from a hydroxy acid while butanolide is (organic compound) the cyclic lactone derived from 4-hydroxybutanoic acid ; any of its derivatives. When 4-hydroxybutanoic acid is treated with an acid catalyst, it forms a lactone (a cyclic ester). It is also used as a pharmacological agent and solvent. C&L Inventory ? In aqueous solution, GBL undergoes a hydrolysis reaction and exists in equilibrium with GHB. 5.0 (12) "Fast shipping" "Great supplier" The mobile phase contains an acetonitrile (MeCN), water, and phosphoric acid. The 2D chemical structure image of gamma-Butyrolactone is also called skeletal formula, which is the standard notation for organic molecules. (a) Any manufacturer, wholesaler, retailer, or other person or entity in this state that who sells, transfers, or otherwise furnishes any of the following substances to any person or business entity in this state or any other state shall submit a report to the Department of Justice of all of those transactions: It is an endogenous compound made from gamma-aminobutyrate and is the precursor of gamma-hydroxybutyrate. Beilstein/REAXYS Number 105248 . Lactone is an internal cyclic monoester (anhydride) derived from the hydroxyl and carboxyl radicals of gamma or delta hydroxy acids by the removal of a H2O between a carboxyl and a hydroxyl group in the same molecule; gamma-hydroxybutyric acid forms gamma-butyrolactone and delta-hydroxydecanoic acid forms delta-decalactone spontaneously. But there are too many rules! the family of lactones (Streitwieser and Heathcock, 1976), and exists in equilibrium with GHB in aqueous solution: O OH OH H 2 O (GBL) O + (2.1) (GHB) Here the term GHB specifically refers to gamma-hydroxybutyric acid, or the free acid form of GHB. Chemistry Introduction to General, Organic and Biochemistry 18-49 When 5-hydroxypentanoic acid is treated with an acid catalyst, it forms a lactone (a cyclic ester). It is hydrolyzed under basic conditions, for example in a sodium hydroxide solution into sodium gamma-hydroxybutyrate, the sodium salt of gamma-hydroxybutyric acid. droxybutyric acid lactone and 4-hydroxybutanoic acid lactone with CAS No. Saponification of the lactone with sodium hydroxide in the form of lye results in nearly quantitative conversion. Gamma butyrolactone (also known as 4-hydroxybutanoic acid lactone or gBL) Gamma hydroxybutanoic acid (including salts) (also known as Gamma hydroxybutyric acid) Hydriodic acid. 4-Hydroxybutanoic Acid Lactone . Formula: C 4 H 6 O 2. 1.1 Synonyms.alpha.-Butyrolactone.gamma.-6480.gamma.-BL.gamma.-Butanolactone.gamma.-Butyrolactone.gamma.-Hydrooxybutyric acid lactone.gamma.-Hydroxybutyric acid cyclic ester.gamma.-Hydroxybutyric acid lactone.gamma.-Hydroxybutyrolactone 1,2-Butanolide 1,4-Butanolide 1,4-Butyrolactone 1,4-Lactone 187997-16-6 1-Oxacyclopentan-2-one 1-Oxacyclopentane-2-one 2(3H) … Under acidic conditions it forms an equilibrium mixture of both compounds. (22) Hydriodic Acid: 6695 (23) Benzaldehyde: 8256 (24) Nitroethane: 6724 (25) Gamma-Butyrolactone (Other names include: GBL; Dihydro-2 (3H)-furanone; 1,2-Butanolide; 1,4-Butanolide; 4-Hydroxybutanoic acid lactone; gamma-hydroxybutyric acid lactone) 2011 (26) Red Phosphorus: 6795 (27) White phosphorus (Other names: Yellow Phosphorus) 6796 Files are available under licenses specified on their description page. 3 shipments match lactone chemical. Chemical Formula: C 7 H 12 O 2: Average Molecular Mass: 128.169 g/mol: Monoisotopic Mass: 128.084 g/mol: CAS Registry Number: 57129-71-2: IUPAC Name: 5-propyloxolan-2-one GBL is a solvent found in floor cleaning products, nail polish and super glue removers. 4-Hydroxybutanoic acid lactone 1-Oxacyclopentan-2-one Oxolan-2-one 2-Oxotetrahydrofuran Tetrahydro-2-furanon A chemical name is created according to nomenclature rules; most commonly according to IUPAC rules. LIAIHA H2SO4(dil) Dry Ether H20/25°C (neutralize PH) HOCH.CH H2SO4(conc) Trace The preparation of ethyl acetate outlined in the following equation is a typical example. Cyclic esters are called lactones, and the easiest way to name them is simply to add the term ‘lactone’ as a separate word after the usual name for the open chain acid. A glass bottle in the same cabinet held a clear liquid substance that weighed 397.6 grams in which 4-hydroxybutanoic acid lactone (which is also known as gamma-butyrolactone or GBL) was detected (count 7). Questa pagina è stata modificata per l'ultima volta il 18 lug 2018 alle 14:29. GBL is commonly known as 1,2-butanolide, 2,3-dihydro furanone, 2(3H)-furanone dihydro, 3-hydroxybutyric acid lactone, 4-butanolide, 4-butyrolactone, 4-hydroxybutanoic acid lactone, It is also used as a pharmacological agent and solvent. Gamma-hydroxybutyrate (GHB) originally was investigated as an anesthetic agent during the 1960s but was abandoned because of side effects including myoclonus and emergence delirium. Smaller 3 µm particles columns available for fast UPLC applications. … The One of the furans with a carbonyl thereby forming a cyclic lactone. γ-Butyrolactone (GBL) is the cyclic ester of 4-hydroxybutanoic acid. 4-Hydroxybutanoic acid lactone 204 Ethyl 4-oxopentanoate 206 4-Hydroxypentanoic acid lactone 207 Ethyl benzoate 213 Benzyl acetate 216 Diethyl butanedioate 217 Diethyl (E)-2-butenedioate 218 Diethyl (Z)-2-butenedioate 222 Methyl 2-hydroxybenzoate 223 ( )-Bornyl acetate 223 29 McGhee found that many cigarettes contain something called 4-hydroxybutanoic acid lactone, according to published ingredients lists from two of the biggest tobacco companies, RJ Reynolds and Brown and Williamson. 4-Hydroxybutanoic acid lactone - chemical information, properties, structures, articles, patents and more chemical data. NIST/TRC Web Thermo Tables (WTT) NIST Standard Reference Subscription Database 3 - Professional Edition Version 2-2012-1-Pro This web application provides access to a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics. Write The 4-hydroxybutanoic Acid Lactone Product With: NH, (excess) ? Fabricate a chemical structure model of polymer precursorgamma-butyrolactone using Authentic Molymod Model Parts by Indigo. Gamma butryolactone a water soluble compound that may potentially be used to build a biodegradable polymer, poly-butyrolactone or poly(GBL). 4-HYDROXYBUTANOIC ACID LACTONE …Shijiazhuang Lida Chemical Co., Ltd . (33) Gamma butyrolactone, including butyrolactone; butyrolactone gamma; 4-butyrolactone; 2(3H)-furanone dihydro; dihydro-2(3H)-furanone; tetrahydro-2-furanone; 1,2-butanolide; 1,4-butanolide; 4-butanolide; gamma-hydroxybutyric acid lactone; 3-hydroxybutyric acid lactone and 4-hydroxybutanoic acid lactone with Chemical Abstract Service number 96-48-0. GAMMA BUTYL LACTONE (GBL) 2(3H)-FURANONE DI-HYDRO (GBL) 1,4 BUTANEDIOL (BD) TETRAMETHYLENE GLYCOL (BD) SUCOL-B (BD) XYREM TM (PRESCRIPTION GHB FOR USE IN ORPHAN MEDICAL STUDY) NOTE: There may be other analogs that will appear. 4-Hydroxybutanoic acid lactone . For Mass-Spec (MS) compatible applications the phosphoric acid needs to be replaced with formic acid. gamma-Butyrolactone(Cas No.96-48-0) manufacturer Qingdao Kaimosi Biochemical Technology Co.,Ltd 4 hydroxybutanoic acid lactone 4 hexanolide 4 ethyl butyrolactone 695 06 7 4-ethyl-4-hydroxybutanoic acid lactone; ethyl butyrolactone. REPORTED PRODUCT NAMES *indicates product just added to this list (1/12/2001) AMINO FLEX (BD) 4 hydroxybutanoic acid, Wholesale Various High Quality 4 hydroxybutanoic acid Products from Global Sodium Tripolyphosphate Suppliers and 4 hydroxybutanoic acid Factory,Importer,Exporter at … Extended Navigation. 1. Categories. Aldehyde C-14 (so called) 1,4-Hendecanolide; gamma-n-Heptyl-gamma-butyrolactone; 4-n-Heptyl-4-hydroxybutanoic acid lactone IUPAC name 5-hexyloxolan-2-one. PB86155850. 5-Hydroxypentanoic acid, also known as 5-hydroxyvaleric acid or 4-oxy-butan-carbonsaeure, belongs to the class of organic compounds known as hydroxy fatty acids. SECTION 1. 1967 Nov;23(11):4197-208. BUTYROLACTONE . 4-Hydroxybutanal (also known as 4-Hydroxybutyraldehyde) 4-Hydroxy-butanoic acid nitrile (also known as 4-Hydroxybutyronitrile) gamma-Caprolactone can be analyzed by this reverse phase (RP) HPLC method with simple conditions. IUPAC Name: 5-methyloxolan-2-one . 4-hydroxybutyric acid lactone . One of the FURANS with a carbonyl thereby forming a cyclic lactone. §329-14 Schedule I. 3-hydroxybutyric acid lactone, 4-butanolide, 4-butyrolactone, 4-hydroxybutanoic acid lactone, butyrolactone, butyrolactone gamma, dihydro-2(3H)-furanone, gamma butyrolactone, gamma hydroxybutyric acid lactone, tetrahydro-2-furanone. National Technical Information Service. US $10.00-$200.00 / Kilogram. Archives. (b) Any of the following opiates, including their isomers, esters, ethers, salts, and salts of isomers, esters, and ethers, unless specifically excepted, whenever the existence of these isomers, esters, ethers, and salts is possible within the specific chemical designation: Be careful not to confuse gamma butyrolactone (GBL) with gamma hydroxybutyrate ().. C&L Inventory . Chapter 321, Hawaii Revised Statutes, is amended by adding a new section to be appropriately designated and to read as follows: "§321- Designated treatment centers; psilocybin. Butyrolactone . Gamma-hydroxybutyric acid CASRN 591-81-1 C 4 H 8 O 3 MW 104.11. Device Fabrication Nomenclature: lactones (cyclic esters). Find more compounds similar to Butyrolactone.. 5.0 (12) "Fast shipping" "Great supplier" When 4-hydroxybutanoic acid is treated with an acid catalyst, it forms a lactone (a cyclic ester). Draw the structural formula of this lactone and propose a mechanism for its formation. (a) Unlawful administration of a substance is the administration of a substance to another person without consent with the intent to impair such other person's physical or mental ability to appraise or control such person's conduct. C&L Inventory, Registration dossier . Toxicology and Carcinogenesis Studies of g-Butyrolactone in F344/N Rats and B6C3F1 Mice (Gavage Studies) CASRN: 96-48-0 Chemical Formula: C4H6O2 Molecular Weight: 86.09 Synonyms/Common Names: Dihydro-2(3H)-furanone (8CI) (9CI); 1,2-butanolide; butyrolactone; 1,4-butanolide; 4-butyrolactone; 4-hydroxybutanoic acid lactone; g-hydroxybutyric acid cyclic ester; g-hydroxybutyric acid lactone… Takasago International Chemicals (Europe) S.A. Spain . 4-Ethyl-4-hydroxybutanoic acid lactone 4-Hydroxyhexanoic acid, gamma-lactone 5-Ethyldihydrofuran-2(3H)-one gamma-Caprolactone gamma-Ethyl-gamma-butyrolactone Hexa-1,4-lactone Hexalactone Hexan-4-olide Tonkalide back Awards and Scholarships. Moreover, in … On October 24, 2001, DEA published a Notice of Proposed Rulemaking titled ``Establishment of a Threshold for Gamma- Butyrolactone'' (66 FR 53746) that proposed a zero kilogram threshold and the exemption of transactions of 16,000 kilograms (net weight) or more in a single container. What does butanolide mean? Section 1310.09 is amended by adding a new paragraph (c) to read as follows: § 1310.09 Temporary exemption from registration (a-Methoxy-'lA-methylenedioxybenzyt)4-hydroxybutanoic acid lactone (XV-a). Hydriodic acid Benzaldehyde Nitroethane Gamma butyrolactone (Other names include: GBL; Dihydro-2 (3H)-furanone; 1,2-Butanolide; 1,4-Butanolide; 4-Hydroxybutanoic acid lactone; gamma-hydroxybutyric acid lactone) Red Phosphorus White Phosphorus (Other names: Yellow Phosphorus) γ-Butyrolactone (GBL) is a hygroscopic colorless, water-miscible liquid with a weak characteristic odor. (34) 1,4-butanediol, including butanediol; butane-1,4-diol; 1,4-butylene glycol; 219 4-hydroxybutyric acid lactone: DG SANTE Food Flavourings: 10.006 butyro-1,4-lactone: FEMA Number: 3291 4-hydroxybutyric acid lactone: FDA: No longer provide for the use of these seven synthetic flavoring substances: FDA Mainterm (SATF): 96-48-0 ; 4-HYDROXYBUTANOIC ACID LACTONE C&L Inventory . gamma-hydroxybutyric acid lactone; 3-hydroxybutyric acid lactone and 4- hydroxybutanoic acid lactone with Chemical Abstract Service number 96- 48-0 when any … Butyric acid, 4-hydroxy-, gamma-lactone; Butyryl lactone; Butyrylactone; Caswell No. CAS Number: 57129-69-8 . About; Awards and Scholarships. Section 21-2. My Quotes. Lactone is an internal cyclic monoester (anhydride) derived from the hydroxyl and carboxyl radicals of gamma or delta hydroxy acids by the removal of a H 2 O between a carboxyl and a hydroxyl group in the same molecule; gamma-hydroxybutyric acid forms gamma-butyrolactone and delta-hydroxydecanoic acid forms delta-decalactone spontaneously. acid; 4-Hydroxybutanoic acid lactone; 4-Hydroxybutanoic acid, gamma-lactone; 4-Hydroxybutyric acid lactone; 4-Hydroxybutyric acid, gamma-lactone; Butyric acid lactone; Butyric acid, 4-hydroxy-, gamma-lactone Chemical Name: Gamma-Butyrolactone; 2(3H)-Furanone, hihydro-Chemical Formula: C4H6O2 Contact Information: Finar Limited "4-hydroxybutanoic acid lactone" published on by Oxford University Press. 13532-37-1. View information & documentation regarding 4-Hydroxybutanoic acid lactone, including CAS, MSDS & more. Shop a large selection of Lactones products and learn more about Alfa Aesar gamma-Phenyl-gamma-butyrolactone, 97%. [s 1] Drugs Misuse Regulation 1987 Part 1 Preliminary Current as at 29 March 2018 Page 5 Authorised by the Parliamentary Counsel Drugs Misuse Regulation 1987 γ-Butyrolactone Compound Information and Applications for GC (Gas Chromatography) and LC (Liquid Chromatography) Analysis Decan-4-olide; 2(3H)-Furanone, 5-hexyldihydro-; 2-Decalactone; 4-Hexyl-4-hydroxybutanoic acid lactone; 4-Hexyl-gamma-butyrolactone; 4-Hydroxydecanoic acid, gamma-lactone; Decanoic acid, 4-hydroxy-, gamma-lactone; Decanoic acid, gamma-lactone; Hydroxydecanoic acid gamma-lactone search. The reaction of carboxylic acids and alcohols to form esters is one of the best known transformations in organic chemistry. 4-Hydroxybutyric acid gamma-lactone . But the multiplicity of systematic names is inconvenient and diminishes the role of nomenclature. ACID; 4-HYDROXYBUTANOIC ACID LACTONE; GAMMA-HYDROXYBUTYRIC ACID LACTONE; 2-OXOTETRAHYDROFURAN; TETRAHYDRO-2-FURANONE; 4-HYDROXYBUTYRIC ACID LACTONE; GAMMA BL; BLO; C4H6O2 1.2. (noun) METHYL CINNAMATE HELIONAL METHYL BENZOATE MILK LACTONE ETHYL 3 METHYLTHIO PROPIONATE SULFUROL GERANYL ACETATE 98 METHYL DIHYDRO JASMONATE PYRANOL ISOAMYL ISOVALERATE ... 4-HYDROXYBUTANOIC ACID LACTONE. 4 hydroxybutanoic acid lactone 4 hexanolide 4 ethyl butyrolactone 695 06 7 4-ethyl-4-hydroxybutanoic acid lactone; ethyl butyrolactone. 4-Hydroxybutyric Acid (GHB) is found in all human tissues, with the highest concentration in the brain.This agent stimulates the GHB receptor, and to a lesser extent GABA-B receptors. (35) 1,4-butanediol, including butanediol; butane-1,4-diol; These compounds then may go on to form a polymer. acid lactone; 3-hydroxybutyric acid lactone and 4-hydroxybutanoic acid lactone with Chemical Abstract Service number 96-48-0 when any such substance is intended for human ingestion; (34) 1,4 butanediol, including butanediol; butane-1,4-diol; 1,4- butylenes glycol; butylene glycol; 1,4-dihydroxybutane; 1,4- tetramethylene glycol; tetramethylene . CHEMICAL AND PHYSICAL DATA Gamma-butyrolactone (GBL) is a precursor in the manufacture of gamma-hydroxybutyric acid (GHB). D. Trade Names GBL was sold as a dietary supplement and illegally marketed as a substance to The biological activity of podophyllotoxin has been expressed in terms of the alkylating potential of its “swinging lactone” functionality. Problem 22. By continuing to use this site, you agree to … Chemical Formula: C 5 H 8 O 2 click here for details. Dr. AYITOU Spring 20 – CHEM 239 – ORGANIC CHEMISTRY II Lactones q Cyclic esters are called lactones. For Mass-Spec (MS) compatible applications the phosphoric acid needs to be replaced with formic acid. 4-Hydroxybutyric acid (also known as gamma-hydroxybutyrate or GHB) is a precursor and a metabolite of gamma-aminobutyric acid (GABA). All structured data from the file and property namespaces is available under the Creative Commons CC0 License; all unstructured text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. No categories; Meta The combination of the lactone, butanol, 2,4-dichlorophenol, and sodium hydroxide in the attempted synthesis of 2,4-dichlorophenoxybutyric acid caused a thermal runaway reaction that eventually exploded, [CISHC Chem. Home Products tagged “4-Hydroxybutanoic Acid Lactone”. When 4-hydroxybutanoic acid is treated with an … In an aqueous environment, a pH-dependent equilibrium is established between the open-chain hydroxycarboxylate anion and the lactone ring. In 2002, it was approved by the FDA as a treatment for cataplexy and in 2005 for excessive daytime sleepiness in patients with narcolepsy. Section 21-2. ... Scientific literature review of aliphatic lactones. Butyrolactone. I file sono disponibili secondo la licenza indicata nella loro pagina di descrizione. Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. 4 (a) The controlled substances listed in this section are included in schedule I. Lactones are cyclic esters Formed by intramolecular esterification in a compound that contains a hydroxyl group and ... HOCH 2 CH 2 CH 2 COH O O O + H 2 O 4-hydroxybutanoic acid 4-butanolide IUPAC nomenclature: replace the -oic acid ending of the carboxylic acid by -olide identify the oxygenated carbon by number. Draw the structural formula of this lactone and propose a mechanism for its formation. It is mainly used as an intermediate in the production of other chemicals, e.g. https://environmentalchemistry.com/yogi/chemicals/cn/gamma-Butyrolactone.html 615 . >> amp version: 4-hydroxybutyric acid Tetrahedron. Despite serious safety concerns and illegality, people take gamma butyrolactone for improving athletic performance, sleep, and sexual performance and pleasure.They also take it for relieving depression and stress, prolonging life, … GBL is a lactone. MW: 86.09. Buy highly pure N-Methylpyrrolidone - Impurity B, CAS No : 96-48-0, Mol.Formula : C4H6O2, Mol.Weight : 86.09, from Pharmaffiliates. Reference substance name: γ-butyrolactone EC Number: 202-509-5 EC Name: γ-butyrolactone CAS Number: 96-48-0 Molecular formula: C4H6O2 IUPAC Name: dihydrofuran-2(3H)-one 4-Ethyl-4-hydroxybutanoic acid lactone 4-Hydroxyhexanoic acid, gamma-lactone 5-Ethyldihydrofuran-2(3H)-one gamma-Caprolactone gamma-Ethyl-gamma-butyrolactone Hexa-1,4-lactone Hexalactone Hexan-4-olide Tonkalide Shop a large selection of Lactones products and learn more about Alfa Aesar gamma-Phenyl-gamma-butyrolactone, 97%. Sigma-Aldrich offers a number of 4-Hydroxybutanoic acid lactone products. Compound gamma-Butyrolactonewith free spectra: 53 NMR, 21 FTIR, 3 Raman, 2 Near IR, and 25 MS. C&L … Cyclic esters are called lactones, and the easiest way to name them is simply to add the term ‘lactone’ as a separate word after the usual name for the open chain acid. 132B; Dihydro-2-furanone; EINECS 202-509-5; EPA Pesticide Chemical Code 122303; FEMA No. 3-hydroxymethyl-4-aryl-4-hydroxybutanoic acid lactones. In humans GBL acts as a prodrug for γ-hydroxybutyric acid (GHB), and it is used as a recreational CNS depressant with effects similar to those of barbiturates. 96-48-0; 1,4 butanediol; butanediol; butane-1,4-diol; 1,4-butylene gly- col; butylene glycol; 1,4 … 4-Hydroxybutanoic Acid Lactone C 4 H 6 O 2. SMILES String: O=C1CCCO1. Empirical Formula (Hill Notation) C 4 H 6 O 2. Lactone Formation. 4 -Hydroxybutanoic acid lactone 1,2 -Butanolide 1,4 -Butanolide Dihydro -2(3H) -furanone 2. People use it as medicine. Articles of 4-hydroxybutyric acid are included as well. Recent Comments. 4-hydroxy-pentanoic acid. 0.1 Kilograms (Min Order) Shanghai Kayi Chemical Co., Ltd. CN 4 YRS. 3291 4-HYDROXYBUTANOIC ACID LACTONE. The mobile phase contains an acetonitrile (MeCN), water, and phosphoric acid. View Cart Details PROCEED TO CHECKOUT. IUPAC Standard InChIKey: YEJRWHAVMIAJKC-UHFFFAOYSA-N CAS Registry Number: 96-48-0 Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. Lactone is an internal cyclic monoester (anhydride) derived from the hydroxyl and carboxyl radicals of gamma or delta hydroxy acids by the removal of a H 2 O between a carboxyl and a hydroxyl group in the same molecule; gamma-hydroxybutyric acid forms gamma-butyrolactone and delta-hydroxydecanoic acid forms delta-decalactone spontaneously. Additional Names: g-butyrolactone; 1,2-butanolide; 1,4-butanolide; g-hydroxybutyric acid lactone; 3-hydroxybutyric acid lactone; 4-hydroxybutanoic acid lactone … Lactones are cyclic esters Formed by intramolecular esterification in a compound that contains a hydroxyl group and ... HOCH 2 CH 2 CH 2 COH O O O + H 2 O 4-hydroxybutanoic acid 4-butanolide IUPAC nomenclature: replace the -oic acid ending of the carboxylic acid by -olide identify the oxygenated carbon by number. GBL is commonly known as 1,2-butanolide, 2,3-dihydro furanone, 2(3H)-furanone dihydro, 3-hydroxybutyric acid lactone, 4-butanolide, 4-butyrolactone, 4-hydroxybutanoic acid lactone, 94.4% Response Rate. The combination of the lactone, butanol, 2,4-dichlorophenol, and sodium hydroxide in the attempted synthesis of 2,4-dichlorophenoxybutyric acid caused a thermal runaway reaction that eventually exploded, [CISHC Chem. These are fatty acids in which the chain bears a hydroxyl group. 4-Hydroxybutanoic Acid Lactone C 4 H 6 O 2. US $10.00-$200.00 / Kilogram. [s 1] Drugs Misuse Regulation 1987 Part 1 Preliminary Current as at 29 March 2018 Page 5 Authorised by the Parliamentary Counsel Drugs Misuse Regulation 1987 4-hydroxybutyric acid,benzyl ester 91970-62-6 Chemsrc provides 4-hydroxybutyric acid(CAS#:591-81-1) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Dr. AYITOU Spring 20 – CHEM 239 – ORGANIC CHEMISTRY II Lactones q Cyclic esters are called lactones. back About. gamma-Undecalactone. (24) gamma-Butyrolactone (Other names include: GBL; Dihydro-2 2011 (3H)-furanone; 1,2-Butanolide; 1,4-Butanolide; 4-Hydroxybutanoic acid lactone; gamma-hydroxybutyric acid lactone) 3. Gamma-Butyrolactone (other names include: GBL; Dihydro-2(3H)-furanone; 1,2-Butanolide; 1,4-Butanolide; 4-Hydroxybutanoic acid lactone; gamma-hydroxybutyric acid lactone) Isosafrole 3,4-Methylenedioxyphenyl-2 propanone 4-Hydroxybutanoic acid, gamma-lactone 4-Hydroxybutyric acid lactone 4-Hydroxybutyric acid, gamma-lactone Agrisynth BLO Butyric acid lactone Butyric acid, 4-hydroxy-, gamma-lactone Butyrolactone Butyryl lactone Butyrylactone C-1070 Dihydro-2(3H)-furanone gamma-6480 gamma-BL gamma-Butyrolactone 96-48-0; 1,4 butanediol; butanediol; butane-1,4-diol; 1,4-butylene gly- col; butylene glycol; 1,4 … Safety Summ., 1977, 48, 3]. Draw the structural formula of this lactone and propose a mechanism for its formation The combination of the lactone, butanol, 2,4-dichlorophenol, and sodium hydroxide in the attempted synthesis of 2,4-dichlorophenoxybutyric acid caused a thermal runaway reaction that eventually exploded, [CISHC Chem. Safety Summ., 1977, 48, 3]. Belongs to the Following Reactive Group(s)

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