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CAS No 73-32-5 , L-Isoleucine

  • Name: L-Isoleucine
  • Synonyms: Isoleucine; (2S,3S)-(+)-Isoleucine; (2S)-2-Amino-3-methylpentanoic acid; L-2-Amino-3-methylvaleric Acid; L-ISOLEUCINE SIGMA GRADE; L-(+)-Isoleucine;L-Isoleucine; Ile;(2S,3S)-2-Amino-3-methylpentanoic acid;2-Amino-3-methylvaleric acid;
  • CAS Registry Number:
  • Melting Point: 168-170 ºC
  • Flash Point: 90.3ºC
  • Boiling Point: 225.8ºCat 760 mmHg
  • Density: 1.035 g/cm3
  • Refractive index: 40.5 ° (C=4, 6mol/L HCl)
  • Alpha: 41 º (C=4, 6N HCL)
  • Water Solubility: 41.2 G/L (50 ºC)
  • Safety Statements: 24/25-36-22
  • Hazard Symbols: Xn: Harmful;
  • HS Code: 29224995
  • Flash Point: 90.3ºC
  • EINECS: 200-798-2
  • Molecular Weight: 131.17
  • InChI: InChI=1/C6H13NO2/c1-3-4(2)5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t4-,5-/m0/s1
  • Risk Statements: S24/25
  • Molecular Formula: C6H13NO2
  • Molecular Structure:CAS No:73-32-5 L-Isoleucine
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73-32-5 Isoleucine

  • Quality Standards:USP30 Isoleucine contains not less than 98.5 percent and not more than 101.5 percent of C6H13NO2,as L-isoleucine,calculated on the dried basis. Function and Usage: Isoleucine is one of the essential amino acids occurring in most die...
  • China Daxinganling zhongbei bio-chemical [Manufacturers]
  • Tel: 86-452-6197192
  • Fax: 0086 452 6197939
  • Address: 5F, C Liandalijing Bulding,No 259 Xinjiang Road, Jianhua District Qiqiha'er,HeilongjiangChina
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73-32-5 L-ISOLEUCINE

  • China CHINA CHEM SOURCE (HK) CO.,LTD. [Manufacturer]
  • Tel: +86-411-82808830
  • Fax: +86-411-82809230
  • Address: CHINA CHEM SOURCE (HK) CO.,LTD.
    RM.1628, Bank of East Asia Mansion
    7 Renmin Road, Zhongshan District,
    Dalian, China, 116001 null,nullChina
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73-32-5 L-ISOLEUCINE

  • China HANGZHOU THINK CHEMICAL CO. [Manufacturer]
  • Tel: +86-571-81956191/ +86-571-81956192
  • Fax: +86-571-81956190
  • Address: 425 MOGAN HILL ROAD ,
    HANGZHOU, 310011 CHINA null,nullChina
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73-32-5 L-Isoleucine

  • United States Mallinckrodt Baker, Inc. null
  • Tel: +1 (908) 859-2151 (outside U.S.)
  • Fax: +1 (908) 859-6905
  • Address: 222 Red School Lane Phillipsburg, NJ 08865 null,nullUnited States
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73-32-5 L-Isoleucine

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73-32-5 L-isoleucine

  • China NANJING HONORLINE CO., LTD. null
  • Fax: +86-25-84798701
  • Address: Room 1103, A, Chengkai mansion, 198# Hongwulu, Nanjing, China null,nullChina
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73-32-5 AG-11008 H-ILE-OH

  • United Kingdom AGTC Bioproducts Ltd [Manufacturer]
  • Tel: +44(0)1482646020
  • Fax: +44(0)1482646013
  • Address: AGTC Bioproducts Ltd
    Unit 4 Fleet Business Park, Hessle,
    ERY, HU13 9LX
    United Kingdom null,nullUnited Kingdom
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73-32-5 L-Isoleucine

  • China Ningbo J&S Botanics Inc. [Manufacturers]
  • Tel: +86-574-26865651
  • Fax: +86-574-87897189
  • Address: 529 Yuanbaoshan Road, Beilun District, Ningbo China Ningbo,ZhejiangChina
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73-32-5 L-Isoleucine

  • China suchem pharma co.,limited [Manufacturers]
  • Tel: 86-57781172668
  • Fax: 8657785505511
  • Address: wenzhou, China Wenzhou,ZhejiangChina
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73-32-5 L-isoleucine

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References of L-Isoleucine
Title: Isoleucine
CAS Registry Number: 73-32-5
CAS Name: L-Isoleucine
Synonyms: Ile; I; 2-amino-3-methylvaleric acid; a-amino-b-methylvaleric acid; (2S,3S)-2-amino-3-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. Isoln from beet-sugar mother liquors: F. Ehrlich, Ber. 37, 1809 (1904). Structure and identification of isomers: idem, Ber. 40, 2538 (1907); J. P. Greenstein et al., J. Biol. Chem. 204, 307 (1953). 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 vol 1-3 (John Wiley and Sons, Inc., New York, 1961) pp. 2043-2074, passim. TLC determ in serum from patients with maple sugar urine disease (MSDU): R. J. Allen et al., Clin. Chem. 18, 413 (1972). Metabolism of Ile and isomers in MSDU: U. Wendel et al., Pediatr. Res. 25, 11 (1989); and clinical consequences: T. Mogos et al., Rev. Roum. Med. Interne 32, 57 (1994). Review of biosynthesis: M. Iaccarino et al., Curr. Top. Cell. Regul. 14, 29-73 (1978).
Properties: Waxy, shiny, rhombic leaflets from alc. Bitter taste. Sublimes 168-170°. Dec 284°. [a]D20 +40.61° (c = 4.6 in 6.1N HCl); +11.09° (c = 3.3 in 0.33N NaOH). [M]D +53.5° (5N HCl); +64.2° (glacial acetic acid). pK1 2.36; pK2 9.68. Soly in water (g/l): 37.9 at 0°; 41.2 at 25°; 48.2 at 50°; 60.8 at 75°; 82.6 at 100°. Sparingly sol in hot alc (0.13% w/w at 80°), hot acetic acid. Insol in ether.
pKa: pK1 2.36; pK2 9.68
Optical Rotation: [a]D20 +40.61° (c = 4.6 in 6.1N HCl); +11.09° (c = 3.3 in 0.33N NaOH)
 
Derivative Type: DL-Form
Synonyms: (±)-erythro-2-Amino-3-methylpentanoic acid
Properties: Glistening rhombic or monoclinic plates from dil alc. Dec 292°. pK1 2.32; pK2 9.76. Soly in water (g/l): 18.3 at 0°; 22.3 at 25°; 30.3 at 50°; 46.1 at 75°; 78.0 at 100°.
pKa: pK1 2.32; pK2 9.76
 
Derivative Type: L-allo-Form
Synonyms: a-Ile; L(+)-alloisoleucine; (+)-threo-2-amino-3-methylpentanoic acid
Properties: Waxy leaflets. Sweet taste. Dec 280°. [a]D20 +14.0° (c = 2); +38.1° (c = 2 in 6N HCl). [M]D +53.1° (5N HCl); +55.7° (glacial acetic acid). pK1 2.27; pK2 9.62. One part dissolves in 34.2 parts water at 20°; 0.82 part dissolves in 100 parts 80% alcohol at 20°; 1.97 parts dissolve in 100 parts 80% alcohol; 0.19 part dissolves in 100 parts abs alcohol at 90°.
pKa: pK1 2.27; pK2 9.62
Optical Rotation: [a]D20 +14.0° (c = 2); +38.1° (c = 2 in 6N HCl)