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Basic Info

  • Grade: Pharmaceutical Grade

    Factory Location: zhejiang china

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

  • Sample Provided: no

    Payment Terms: L/C

    Items

    Standards

    1

    Characteristics

    White?or?yellowish powder, has Hygroscopicity

    2

    pH

    5.2~6.5

    3

    Loss on drying

    1.5% max

    4

    Heavy metals

    20ppm

    5

    Free aromatic amine

    0.1%

    6

    Free iodine

    the toluene layer shows no red color

    7

    Free iodide

    20ppm

    8

    Residual Solvents

    Ethanol, 0.4% max

    9

    Residue on ignition

    0.1% max

    10

    Related substances

    3.0% max

    11

    N-acetyl compounds

    1.5% max

    12

    Isomer distribution

    E1+Z1=40.0~51.0%, E2+Z2=49.0~60.0%

    13

    Assay

    97.0~102.5%
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    Zhejiang Hichi Pharmaceutical Co., Ltd.
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