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Basic Info

  • Grade: pharmaceutical grade

    Factory Location: china

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

  • Packaging Information: 1kg/bag

  • Sample Provided: no

    Payment Terms: Bank transfer

    The classic synthesis method is glacial acetic acid as acylating agent and zinc chloride as catalyst, but the decolorization is difficult and the yield is not high, mostly 60%~8%; Acetic anhydride Chemicalbook is also used as acylating agent and ion exchange resin as catalyst; There are also acetyl chloride, acetonitrile as acylating agents, and SnCl as catalysts, but these methods are not suitable for industrialization.
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    Chongqing Xingcan Pharmaceutical Technology Co., Ltd
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