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CAS No 492-27-3 , 4-oxo-1H-quinoline-2-carboxylic acid

  • Name: 4-oxo-1H-quinoline-2-carboxylic acid
  • Synonyms: Transtorine;4-oxo-1H-quinoline-2-carboxylic acid; Kinurenic acid; Kynurenate; 4-Hydroxyquinaldic acid; Kynuronic acid;4-Hydroxyquinoline-2-carboxylic acid; Quinurenic acid;
  • CAS Registry Number:
  • Density: 1.429 g/cm3
  • Safety Statements: 26-36 37/39
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 207-751-5
  • Molecular Weight: 189.16748
  • InchiKey: HCZHHEIFKROPDY-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H7NO3/c12-9-5-8(10(13)14)11-7-4-2-1-3-6(7)9/h1-5H,(H,11,
    12)(H,13,14)
  • Risk Statements: R36/37/38
  • Molecular Formula: C10H7NO3
  • Molecular Structure:CAS No:492-27-3 4-oxo-1H-quinoline-2-carboxylic acid
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492-27-3 4-HYDROXYQUINOLINE-2-CARBOXYLIC ACID HYDRATE; 98%

  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany ,Germany
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492-27-3 2-Quinolinecarboxylicacid, 4-hydroxy-

  • China Watson International Ltd. []
  • Tel: +86-(512)-55117610
  • Fax: +86-(512)-55117630
  • Address: Room 1209, Asia Pacific Plaza, Huaqiao International Business Park, Kunshan, Jiangsu 215332, ,China
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492-27-3 KYNURENIC ACID

  • United Kingdom ProSynth Ltd [Manufacturer]
  • Tel: +44 (0)1787 883320
  • Fax: +44 (0)1787 883301
  • Address: ProSynth Ltd
    Unit 2, Bull Lane Industrial Estate
    Acton
    Sudbury
    Suffolk
    CO10 0BD
    UK ,United Kingdom
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492-27-3 KYNURENIC ACID

  • Germany BIOTREND Chemikalien GmbH [Manufacturer]
  • Tel: ++49 (0)2 21 9 49 83 20
  • Fax: ++49 (0)2 21 9 49 83 25
  • Address: BIOTREND Chemikalien GmbH
    Eupener Str. 157
    D - 50933 Cologne
    Germany ,Germany
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492-27-3 KYNURENIC ACID

  • Switzerland BIOTREND Chemicals AG [Manufacturer]
  • Tel: +41 44 805 76 76
  • Fax: +41 44 805 76 77
  • Address: BIOTREND Chemicals AG
    Unterdorfstr. 21b
    CH-8602 Wangen/Zuerich
    Switzerland ,Switzerland
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492-27-3 4-HYDROXYQUINOLINE-2-CARBOXYLIC ACID HYDRATE

  • China Reafon Industry Co., Ltd. [Manufacturer]
  • Tel: 86-574-82692848
  • Fax: 86-574-87799534
  • Address: No.2 Floor Caijiang Building,
    Caihong South Road 256,
    315040, Ningbo, China ,China
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492-27-3 2-Quinolinecarboxylicacid, 4-hydroxy-

  • China Hotechem Shanghai Co., Ltd [Manufacturers]
  • Tel: +86-21-54420853;13120882795;+86-21-34621078
  • Fax: +86-21-34622517
  • Address: Room 209,Suite 2,No.2715 Longwu Road ,ShanghaiChina
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492-27-3 4-HYDROXYQUINOLINE-2-CARBOXYLIC ACID

  • United States Chinglu Pharmaceutical Research LLC [Manufacturer]
  • Tel: (860) 436-4827
  • Fax: (860) 436-4828
  • Address: Chinglu Pharmaceutical Research LLC
    705 North Mountain Road, Suite C115
    Newington, CT 06111 ,United States
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492-27-3 4-Hydroxyquinoline-2-carboxylic acid

  • United States Tocris Bioscience [Manufacturers]
  • Tel: +1-(800)-421-3701
  • Fax: +1-(800)-483-1993
  • Address: 16144 Westwoods Business Park, Ellisville, Missouri 63021, ,MissouriUnited States
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492-27-3 K-8900 KYNURENIC ACID

  • Switzerland Biosynth AG [Manufacturer]
  • Tel: +41 71 858 20 20/ 630.305.8400 (USA)
  • Fax: +41 71 858 20 30
  • Address: BIOSYNTH AG
    Rietlistrasse 4
    9422 Staad / Switzerland
    Phone: +41 (0)71 858 20 20
    Fax: +41 (0)71 858 20 30 ,Switzerland
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References of 4-oxo-1H-quinoline-2-carboxylic acid
Title: Kynurenic Acid
CAS Registry Number: 492-27-3
CAS Name: 4-Hydroxy-2-quinolinecarboxylic acid
Synonyms: 4-hydroxyquinaldic acid
Molecular Formula: C10H7NO3
Molecular Weight: 189.17
Percent Composition: C 63.49%, H 3.73%, N 7.40%, O 25.37%
Literature References: Found in the urine of some animals as a metabolic product of tryptophan; its excretion is stepped up in avitaminoses B1, B2 and B6. Isoln and syntheses: Sp?th, Monatsh. Chem. 42, 89 (1921); Besthorn, Ber. 54, 1330 (1921). Alternate syntheses: Benassi, Gazz. Chim. Ital. 91, 1097 (1961); Wald, Joullie, J. Org. Chem. 31, 3369 (1966); Jordanides, Ann. 729, 244 (1969).
Properties: Yellow needles, mp 282-283°. Soly in water: about 0.9% at 100°. Sol in hot alc. Insol in ether.
Melting point: mp 282-283°
 
Derivative Type: Methyl ester
Molecular Formula: C11H9NO3
Molecular Weight: 203.19
Percent Composition: C 65.02%, H 4.46%, N 6.89%, O 23.62%
Properties: Yellow crystals, mp 224°. Cf. xanthurenic acid.
Melting point: mp 224°
 
Use: In nutrition studies, specifically in vitamin B deficiency diseases.