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L-Hydroxyproline | 51-35-4

L-Hydroxyproline | 51-35-4


  • Common Name: L-Hydroxyproline
  • CAS No: 51-35-4
  • EINECS: 200-091-9
  • Appearance: White crystalline or crystals powder
  • Molecular Formula: C5H9NO3
  • Qty in 20' FCL: 20MT
  • Min. Order: 25KG
  • Brand Name: Colorcom
  • Shelf Life: 2 Years
  • Place of Origin: China
  • Package: 25 kgs/bag or as you request
  • Storage: Store at a ventilated, dry place
  • Standards executed: International Standard
  • Product Detail

    Product Tags

    Product Description:

    L-Hydroxyproline is a common non-standard protein amino acid, which has high application value as the main raw material of the antiviral drug atazanavir.

    L-Hydroxyproline is generally used as a food additive (used as a sweetener, with a relatively small amount), and a relatively large amount of intermediates used as penem side chains in medicine.

    The efficacy of L-Hydroxyproline:

    Hydroxyproline has a variety of functions and can be used as a nutritional fortifier and aromatic substance, mainly used in fruit juices, cold drinks, nutritional drinks, etc.

    Hydroxyproline can also be used for malnutrition or protein deficiency, as well as severe gastrointestinal diseases.

    Technical indicators of L-Hydroxyproline:

    Analysis Item                                            Specification

    Appearance                              White crystalline or crystals powder

    Specific rotation[a]D20°                               -74.0°~-77.0°

    State of solution                                         ≥95.0%

    Chloride                                                 ≤0.020%

    Sulfate (SO4)                                             ≤0.020%

    Ammonium (NH4)                                       ≤0.02%

    Iron (Fe)                                                   ≤10ppm

    Heavy metals (Pb)                                        ≤10ppm

    Arsenic (AS2O3)                                          ≤1ppm

    PH                                                         5.0~6.5

    Other amino acids                                Meet the requirements

    Loss on drying                                            ≤0.2%

    Residue on ignition                                       ≤0.1%

    Assay                                                   98.5%~101.0%


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