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CAS No 72-18-4 , (2S)-2-amino-3-methylbutanoic acid

  • Name: (2S)-2-amino-3-methylbutanoic acid
  • Synonyms: 2-Amino-3-methylbutyric acid; 2-Amino-3-methylbutanoic acid;(2S)-2-amino-3-methylbutanoic acid; (S)-2-Amino-3-methylbutyric acid; valine; (S)-Valine;L-valine; 72-18-4;
  • CAS Registry Number:
  • Melting Point: 315 ºC
  • Density: 1.23
  • Refractive index: 28 ° (C=8, HCl)
  • Alpha: 28 º (C=8, 6N HCL)
  • Water Solubility: 85 G/L (20 ºC)
  • Safety Statements: 24/25-36-22
  • Hazard Symbols: Xn: Harmful;
  • EINECS: 200-773-6
  • Molecular Weight: 117.14634
  • InchiKey: KZSNJWFQEVHDMF-BYPYZUCNSA-N
  • InChI: InChI=1S/C5H11NO2/c1-3(2)4(6)5(7)8/h3-4H,6H2,1-2H3,(H,7,8)/t4-/m0/s1
  • Risk Statements: S24/25:Avoidcontactwithskinandeyes.;
  • Molecular Formula: C5H11NO2
  • Molecular Structure:CAS No:72-18-4 (2S)-2-amino-3-methylbutanoic acid
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72-18-4 L-Valine (2-13C, 99%)

  • Creative Proteomics provides a full range of drug development services, including Molecular Biology, Biochemistry, Systems Biology, Organic Chemistry, Genomics, Bioinformatics, Structural Biology, Preclinical and Clinical studies. Please contact us t...
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  • Tel: 1-631-6197922
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72-18-4 L-Valine (13C5, 95-97%; 15N, 96-99%; 2,3-D2, 97%+)

  • Creative Proteomics provides a full range of drug development services, including Molecular Biology, Biochemistry, Systems Biology, Organic Chemistry, Genomics, Bioinformatics, Structural Biology, Preclinical and Clinical studies. Please contact us t...
  • United States Creative Proteomics [Manufacturer, Trading Company]
  • Tel: 1-631-6197922
  • Fax: 1-631-6147828
  • Address: 45-1 Ramsey Road, Shirley New York,New YorkUnited States
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72-18-4 L-Valine (13C5, 99%)

  • Creative Proteomics provides a full range of drug development services, including Molecular Biology, Biochemistry, Systems Biology, Organic Chemistry, Genomics, Bioinformatics, Structural Biology, Preclinical and Clinical studies. Please contact us t...
  • United States Creative Proteomics [Manufacturer, Trading Company]
  • Tel: 1-631-6197922
  • Fax: 1-631-6147828
  • Address: 45-1 Ramsey Road, Shirley New York,New YorkUnited States
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72-18-4 L-Valine

  • supplier: premium ingredient co.,ltd Product Name: L-Valine Cas No.: 72-18-4 Quality Standard: USP30 Assay: 98.5% to 101.5% Identification: Infrared absorption Specific rotation: +26.6° to +28.8° PH: 5.5 to 7.0 Loss on drying: Not more than 0.3% Resi...
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  • China Premium Ingredient Co.,Ltd [Manufacturer, Trading Company, Distributor/Wholesaler]
  • Tel: 86-510-86995770
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  • Address: Shanguan Jiangyin,JiangsuChina
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72-18-4 L-Valine Email :bodybuilding03@yuanchengtech.com

  • L-Valine product Name: L-Valine Synonyms: L-2-Amino-3-methylbutyric acid; L-Valine, FCC Grade L-2-Amino-3-methylbutyric acid, FCC Grade; H-Val-OH; 2-Amino-3-methylbutanoic acid; Lvaline; L-2-Aminoisovaleric acid; (S)-(+)-2-Amino-3-methylbutyric acid;...
  • Min. Order: 500
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  • China Yuancheng Pharmaceutical Devolepment Company [Manufacturer]
  • Tel: 86-27-50755993
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  • Address: 496#zhongshan Rd,Wuhan,Hubei,China Wuhan,HubeiChina
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  • 72-18-4 L-Valine

    • Name L-Valine Other Name H-L-VAL-OH CAS NO. 72-18-4 Purity 99% Merck? 149,909 Molecular Formula C5H11NO2 Molecular Weight 117.15 Apperance White crystalline powder Usage ?used in studies to attenuate arrhythmias and induce hypotensive effects.
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    • China Shanghai Bojing Chem Co.,Ltd. [Manufacturer, Trading Company, Other]
    • Tel: 86-21-37122233
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    • Address: 6F Buildiing 11,No.388,Baifu Road,District Fengxian Shanghai ,ShanghaiChina

    72-18-4 L-Valine

    • What is L-Valine? L-Valine is one of the essential amino acids. It exists in the leaves and smoke of flue-cured tobacco and burley tobacco. It is one of the branched chain amino acids (BCAA). The important character of L-Valine L-type amino acids are...
    • Min. Order: 1500
    • China Banff Green Technologies, Inc. [Manufacturer, Trading Company, Buying Office]
    • Tel: 86-21-54795870
    • Address: Floor 29, CapitaMalls Plaza, No. 6088 Humin Rd., Minhang Dist. Shanghai,ShanghaiChina
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    72-18-4 L-Valine

    • Product Name: L-Valine(High-purity, HPLC≥99.5%) CAS NO.: 72-18-4 Molecular Formula: C5H11NO2 Molecular Weight: 117.15 Properties: white monoclinic crystal or crystalline powder with special bitter tastee. M.P.: 315 degree. 5% aqueous solution pH-val...
    • China DaXingAnLing Zhongbei Northland Bio-Chem Industry [Manufacturer]
    • Tel: 86-452-6197119
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    • Address: 5F, C Liandalijing Bulding,No 259 Xinjiang qiqihar,HeilongjiangChina
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    72-18-4 L-Valine

    • Name L-Valine CAS 72-18-4 molecular formula C5H11NO2 molecular weight 117.15 Categories Vitamin and amino acid Quality standard USP24 HS Code 29224995 Package 25 kg / barrel Chemical Properties White crystal or crystalline powder, odorless, bitter ta...
    • Min. Order: 100
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    • China Wuhan Yuancheng Tech. Development Co.,Ltd. [Manufacturer]
    • Tel: 86-27-50756018
    • Fax: 86-27-88048077
    • Address: 496# Zhongshanroad Wuhan,Hubei wuhan,HubeiChina

    72-18-4 L-Valine

    • White monoclinic crystals or crystalline powder L-Valine is widely used in fields of medicine, food processing, industry, etc.
    • China Aqua Wyoming Inc [Trading Company]
    • Tel: 86-0579-82899564
    • Address: Zhaohui Road hangzhou,ZhejiangChina
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    References of (2S)-2-amino-3-methylbutanoic acid
    Title: Valine
    CAS Registry Number: 72-18-4
    CAS Name: L-Valine
    Synonyms: Val; V; 2-aminoisovaleric acid; 2-amino-3-methylbutyric acid; a-aminoisovaleric acid; (S)-2-amino-3-methylbutanoic acid
    Molecular Formula: C5H11NO2
    Molecular Weight: 117.15
    Percent Composition: C 51.26%, H 9.46%, N 11.96%, O 27.31%
    Literature References: An essential amino acid for human development. Identified from organ extracts in 1856 by von Group-Besanez; isolated from proteins in 1879 by Schützenberger who proposed that it was aminovaleric acid. Structure confirmation: E. Fischer, Ber. 39, 2320 (1906). Early chemistry and biochemistry: Amino Acids and Proteins, D. M. Greenberg, Ed. (Charles C. Thomas, Springfield, IL, 1951) 950 pp., passim; J. P. Greenstein, M. Winitz, Chemistry of the Amino Acids vols 1-3 (John Wiley and Sons, Inc., New York, 1961) pp. 2368-2380, passim. Conformation study: R. H. Yun, J. Hermans, Protein Eng. 4, 761 (1991). Nutritional assessment study: V. R. Young et al., J. Nutr. 102, 1159 (1972); in parenteral nutrition: P. Reiderer et al., Nutr. Metab. 24, 209 (1980); in hemodialysis patients: G. A. Young et al., Kidney Int. 21, 492 (1982). Brief review of metabolism: P. Kamoun, Trends Biochem. Sci. 17, 175-176 (1992).
    Properties: Leaflets from water + alcohol, mp 315° (closed capillary). d 1.230. Sublimes. [M]D +33.1° (5N HCl); +72.6° (glacial acetic acid); [a]D23 +22.9° (c = 0.8 in 20% HCl). pK1 2.32; pK2 9.62. Soly in water at 0°: 83.4 g/l; at 25°: 88.5 g/l; at 50°: 96.2 g/l; at 65°: 102.4 g/l. Insol in common neutral solvents.
    Melting point: mp 315° (closed capillary)
    pKa: pK1 2.32; pK2 9.62
    Optical Rotation: [a]D23 +22.9° (c = 0.8 in 20% HCl)
    Density: d 1.230
     
    Derivative Type: DL-Form
    Properties: Sublimes without melting at ordinary speed of heating. Dec 298° (closed capillary, very rapid heating). One part dissolves in 11.7 parts of water at 15°, in 14.1 parts of water at 25°. Insol in common neutral solvents.