Beijing Infoark Co Ltd

About Beijing Infoark Co Ltd

Beijing Infoark Co Ltd, established in 1997, specializes in pharmaceuticals, intermediates, food and feed additives, veterinary, health and nutrition products. After years of rapid development, Infoark has become one of the largest and most professional suppliers in China, and grows to be an integrated company covering R&D, production and sales, with international trade as the main development direction based upon the leading high-tech R&D and production site.

  • CN
  • 2015
    On CPhI since
Contact info

Products from Beijing Infoark Co Ltd

  • DOXYCYCLINE HCL

    Product DOXYCYCLINE HCL

     25KG/DRUM

    Item

    Specification

    Characteristics

    Yellow crystalline powder

    Identification

    a)      HPLC results

    b)      TLC results

    c)      Color reaction with sulfuric acid

    d)      Color reaction with silver nitrate

    PH

    2.03.0

    Specific optical rotation

    -105-120 Deg.

    Specific absorbance at 349nm

    300-335

    Light-absorbing impurities 490nm

    0.07 max

    Related substances

    a)      Methacycline: 2.0% max

    b)      6-epidoxycycline: 2.0% max

    c)      4-epidoxycycline: 0.5% max

    d)      4-epi-6-epidoxycycline: 0.5% max

    e)      Oxytetracycline: 0.5% max

    f)        2-acetyl-2-decarbamoyldoxycycline: 0.5% max

    g)      Any other impurity: 0.5% max

    h)      Not indentified impurities:0.1%max

    Ethanol

    4.36.0%

    Heavy metals

    40ppm max

    Water

    1.42.8%Sulphate ash

    0.4% maxAssay

    95.0%102.0% (C22H25ClN2O8) 88.0%~94.0%( C22H24N2O8) basedon anhydrous, ethanol-free substance
  • LINCOMYCIN HCL

    Product LINCOMYCIN HCL

    test items

    specifications

    test results

    CHARACTERISTICS

    A WHITE OR ALMOST CRYSTALLINE POWDER

    CONFORM

    IDENTIFICATION

    SHOULD MEET TELATED REQUIREMENTS

    CONFORM

    APPEARANCE OF SOLUTION

    SHOULD MEET TELATED REQUIREMENTS

    CONFORM

    PH

    3.5-5.5

    4.5

    SPECIFIC OPTICAL ROTATION

    +135°- +150°

    +142°

    LINCOMYCIN B

    NOT MORE THAN 5.0%

    2.7%

    HEAVY METALS

    NOT MORE THAN 5PPM

    CONFORM

    WATER

    3.1%-4.6%

    4.2%

    RESIDUE ON IGNITION

    NOT MORE THAN 0.5%

    0.1%

    BACTERIAL ENDOTOXIN

    LESS than 0.5IU/MG

    <0.5IU/MG

    ASSAY

    NOT LESS THAN 89.5%, not more than 102.0% OF LINCOMYCIN (C18H35CLN2O6S)

    99.2%

  • SULFADIMIDINE BASE/SODIUM

    Product SULFADIMIDINE BASE/SODIUM

    25KG/DRUM
    RAW MATERIAL FOR VETERINARY