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CAS No 61-90-5 , (2S)-2-amino-4-methylpentanoic acid

  • Name: (2S)-2-amino-4-methylpentanoic acid
  • Synonyms: L-leucine; (S)-Leucine; (S)-2-Amino-4-methylpentanoic acid; Leucinum; 61-90-5; leucine; (S)-2-Amino-4-methylvaleric acid; L-alpha-Aminoisocaproic acid;(2S)-2-amino-4-methylpentanoic acid;
  • CAS Registry Number:
  • Melting Point: 286-288 ºC
  • Density: 1,293 g/cm3
  • Alpha: 15.4 º (C=4, 6N HCL)
  • Water Solubility: 22.4 G/L (20 C)
  • Safety Statements: 24/25
  • EINECS: 200-522-0
  • Molecular Weight: 131.17292
  • InchiKey: ROHFNLRQFUQHCH-YFKPBYRVSA-N
  • InChI: InChI=1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1
  • Risk Statements: S24/25
  • Molecular Formula: C6H13NO2
  • Molecular Structure:CAS No:61-90-5 (2S)-2-amino-4-methylpentanoic acid
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61-90-5 L-Leucine

  • supplier: Premium Ingredient Co.,Ltd Product Name: L-Leucine Cas No.: 61-90-5 Quality Standard: USP30 Assay: 98.5% to 101.5% Identification: Infrared absorption Specific rotation: +14.9° to +17.3° PH: 5.5 to 7.0 Loss on drying: Not more than 0.2% Res...
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61-90-5 China Factory Price Methyl L-leucinate hydrochloride

  • Basic Info Name:Methyl L-leucinate hydrochloride Apearance:White Powder CAS:61-90-5 MF:C7H16ClNO2 MW:181.66 Shipment:Air/Sea/EMS,DHL,TNT,UPS,Fedx Package:25kg/Cardboard Barrel Payment: Bank Transfer,Bitcoin,WU,MoneyGram Trademark:YuanChen Origin:Chin...
  • Min. Order: 1000
  • China Yuan Chen Co. Ltd [Manufacturer]
  • Tel: 86-027-50756092
  • Address: 496 Zhongshan Road Wuhan,HubeiChina
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61-90-5 MF: C7H16ClNO2 Methyl L-leucinate hydrochloride

  • Basic Info Name:Methyl L-leucinate hydrochloride Apearance:White Powder CAS:61-90-5 MF:C7H16ClNO2 MW:181.66 Shipment:Air/Sea/EMS,DHL,TNT,UPS,Fedx Package:25kg/Cardboard Barrel Payment: Bank Transfer,Bitcoin,WU,MoneyGram Trademark:YuanChen Origin:Chin...
  • Min. Order: 1000
  • China YuanChne Co. Ltd [Manufacturer]
  • Tel: 86-027-50756092
  • Address: 496 Zhongshan Road Wuhan,HubeiChina
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61-90-5 Methyl L-leucinate hydrochloride Skype bran at ycphar dot com

  • Basic Info Name:Methyl L-leucinate hydrochloride Apearance:White Powder CAS:61-90-5 MF:C7H16ClNO2 MW:181.66 Shipment:Air/Sea/EMS,DHL,TNT,UPS,Fedx Package:25kg/Cardboard Barrel Payment: Bank Transfer,Bitcoin,WU,MoneyGram Trademark:YuanChen Origin:Chin...
  • Min. Order: 1000
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61-90-5 CAS:61-90-5 Methyl L-leucinate hydrochloride

  • Basic Info Name:Methyl L-leucinate hydrochloride Apearance:White Powder CAS:61-90-5 MF:C7H16ClNO2 MW:181.66 Shipment:Air/Sea/EMS,DHL,TNT,UPS,Fedx Package:25kg/Cardboard Barrel Payment: Bank Transfer,Bitcoin,WU,MoneyGram Trademark:YuanChen Origin:Chin...
  • Min. Order: 1000
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  • Tel: 86-5075-6206
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  • Address: 496 ZhongShan Road. Wuhan,HubeiChina
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61-90-5 L-Leucine Email :bodybuilding03@yuanchengtech.com

  • L-Leucine product Name: L-Leucine Synonyms: (S)-2-Amino-4-methylpentanoic acid; L-Leucine 99+ %; H-Leu-OH; L-Leu; L(+)LEUCINE; Leucine Email :bodybuilding03@yuanchengtech.com Skype:husiyuyc@outlook.com Web:http://steroid.en.made-in-china.com Molecula...
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  • 61-90-5 L-Leucine

    • Product name: L-Leucine Chemical name: L-2-amino-3 - (4 - hydroxyphenyl) propionic acid, CAS No.: 61-90-5 EINECS: 200-522-0 Molecule Formula: C6H13NO2 Molecule Weight: 131.17 Chemical Properties: White crystalline powder Product Categories: Food and ...
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    • China Yuanchen [Trading Company]
    • Tel: 86-027-50756024
    • Address: No. 496 Zhongshan Road, Wuchang, Wuhan, Hubei Wuhan, Hubei,HubeiChina
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    61-90-5 L-Leucine

    • Product name: L-Leucine Chemical name: L-2-amino-3 - (4 - hydroxyphenyl) propionic acid, CAS No.: 61-90-5 Molecule Formula: C6H13NO2 Molecule Weight: 131.17 Property: white glossy hexahedral crystals or white crystalline powder. Slightly bitter taste...
    • Min. Order: 800
    • China Wuhan Yuancheng Gongchuang Technology Co.,Ltd [Manufacturer]
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    • Address: No. 496 Zhongshan Road, Wuchang Wuhan,HebeiChina
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    61-90-5 L-Leucine

    • As the amino acid infusion and composite amino acid formulations. For early diagnoses and treatment of high blood sugar. And Application on glucose metabolism disorders, accompanied by bile secretion decreased liver disease, anemia, poisoning, muscle...
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    61-90-5 L-Leucine

    • Product Name: L-Leucine CAS NO.: 61-90-5 Molecular Formula: C6H13NO2 Molecular Weight: 131.17 Properties: white lustrous hexahedron crystal or white crystalline powder. has slight bitter taste. Sublimed at 145~148℃. M.P.: 293~295℃. Soluble in water...
    • China DaXingAnLing Zhongbei Northland Bio-Chem Industry [Manufacturer]
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    • Address: 5F, C Liandalijing Bulding,No 259 Xinjiang qiqihar,HeilongjiangChina
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    References of (2S)-2-amino-4-methylpentanoic acid
    Title: Leucine
    CAS Registry Number: 61-90-5
    CAS Name: L-Leucine
    Synonyms: Leu; L; 2-amino-4-methylvaleric acid; a-aminoisocaproic acid; (S)-2-amino-4-methylpentanoic acid
    Molecular Formula: C6H13NO2
    Molecular Weight: 131.17
    Percent Composition: C 54.94%, H 9.99%, N 10.68%, O 24.39%
    Literature References: An essential amino acid for human development. Discovery of leucine is attributed to Proust in 1819 who reported its separation from fermented milk curds. 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. 2075-2096, passim. Chromatographic determn of specific activity in biological fluids: E. P. Donahue et al., J. Chromatogr. 571, 29 (1991); separation of isotopes: P. Q. Baumann et al., ibid. 573, 11 (1992). Metabolism in humans: K. J. Motil et al., Metabolism 30, 783 (1981); in children receiving parenteral nutrition: O. Goulet et al., Am. J. Physiol. 265, E540 (1993). Kinetics modelling in humans: C. Cobelli et al., ibid. 261, E539 (1991).
    Properties: White glistening hexagonal plates from aq alc. d18 1.293. Sublimes at 145-148°. Dec 293-295° (rapid heating, sealed tube). [M]D +21.0° (5N HCl); [M]D +29.5° (glacial acetic acid). [a]D25 -10.8° (c = 2.2); [a]D26 +15.1° in 6N HCl (38 mols HCl per mol leucine); [a]D20 +7.6° in 3N NaOH (30 mols NaOH per mol leucine). Rf value 0.79. Soly in water (g/l): 22.7 (0°); 24.26 (25°); 28.87 (50°); 38.23 (75°); 56.38 (100°); in 99% alcohol: 0.72; in acetic acid: 10.9. Insol in ether.
    Optical Rotation: [a]D25 -10.8° (c = 2.2); [a]D26 +15.1° in 6N HCl (38 mols HCl per mol leucine); [a]D20 +7.6° in 3N NaOH (30 mols NaOH per mol leucine)
    Density: d18 1.293
     
    Derivative Type: DL-Form
    Properties: Leaflets fom water. Sweet taste. Dec 332° (also reported as 290°). Sublimes. pK1 2.36; pK2 9.60. Soly in water (g/l): 7.97 (0°); 9.91 (25°); 14.06 (50°); 22.76 (75°); 42.06 (100°); in 90% alcohol: 1.3. Insol in ether.
    pKa: pK1 2.36; pK2 9.60
     
    Derivative Type: Hydrochloride
    Molecular Formula: C6H13NO2.HCl
    Molecular Weight: 167.63
    Percent Composition: C 42.99%, H 8.42%, N 8.36%, O 19.09%, Cl 21.15%
    Properties: Crystals. Freely sol in water.
     
    Use: Nutrient.