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Naproxen base

Category:Active Pharmaceutical Ingredients > Other Anti-Infective Drug
Product Name:Naproxen base
CAS No.:22204-53-1
Standard:USP, BP, EP
Price(USD):0.00
Company:Arshine Group Co.,Ltd.

Basic Info

  • Grade: food grade, pharmaceutical grade, injection grade

    Factory Location: Changsha Hu nan china china

    Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa

  • Packaging Information: 25KG/DRUM

  • Sample Provided: no

    Payment Terms: T/T,L/C,DP,BANK CONTRACT

     

    High quality Naproxen base/22204-53-1
    1.CAS No. 22204-53-1
    2.Color:White
    3.Standard:BP/USP/EP
    4.packing: 25kg/drum

    Usage:API

     

    TEST SPECIFICATION  RESULT
    Characters A white or almost white crystalline powder Comply
    Id. A. Specific optical rotation 59° ~ 62° 60.1°
    B.Melting point 154.0~158.0°C 156.0~156.5°C
    C.Specific absorbance Meet the requirements Comply
    D.Infrared absorption Meet the requirements Comply
    Appearance of solution Clear,not more intense than BY7 Comply
    Eantiomeric purity ≤2.5% 0.70%
    Related substances
    Impurity L ≤0.1% <0.01%
    Unspecified impurities ≤0.1% 0.02%MAX
    Total impurities ≤0.3% 0.04%
    Heavy metals ≤20ppm <20ppm
    Loss on drying ≤0.5% 0.01%
    Sulphate ash ≤0.1% 0.01%
    Assay 99.0%~101.0% 99.70%

     

     

     


     

     

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