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L-leucine 61-90-5

  • Post Date:

    Mar 20,2025
  • Expiry Date:

    Mar 20,2026
  • Detailed Description:

    Cas No. :61-90-5 Payment Method: T/T
    Product Name: H-Leu-OH
    CAS#: 61-90-5
    Synonyms: L-Leucine
    Molecular Formula: C6H13NO2

    Molecular Weight: 131.17
    Reference standard: AJI92
    Specifications:
    Item
    Standard
    Appearance
    White crystals or crystalline powder
    Specific rotation[α]20/D
    (C=4 in 6N HCl)
    +14.9 to +16.0°
    State of solution
    (Transmittance)
    Clear and colorless
    Not less than 98.0%
    Chloride (Cl)
    Not more than 0.020%
    Ammonium (NH4)
    Not more than 0.02%
    Sulfate (SO4)
    Not more than 0.020%
    Iron (Fe)
    Not more than 10ppm
    Heavy metal(Pb)
    Not more than 10ppm
    Arsenic(As2O3)
    Not more than 1ppm
    Other amino acids
    Chromatographically
    Not detectable
    Loss on drying
    Not more than 0.20%
    Residue on ignition(sulfated)
    Not more than 0.10%
    Assay
    98.5 to100.5%
    pH
    5.5 to 6.5
  • CAS Registry Number:

    61-90-5
  • Synonyms:

    ;(S)-2-Amino-4-methylpentanoic acid;H-Leu-OH;L-Leu;L(+)LEUCINE;Leucine;
  • Molecular Formula:

    C6H13NO2
  • Molecular Weight:

    131.17
  • Molecular Structure:

    61-90-5 L-Leucine
  • Safety Description:

    S24/25:;
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