free性video西欧极品,伊人依成久久人综合网,中文字幕人妻一区二区三区熟女,男女高潮激烈无遮挡免费观软件 ,成人3d动漫一区二区三区

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 application of tetraphenylphosphonium bromide is a phase transfer catalyst (Phasetransfercatalyst) is a new technology developed in the past two decades, because it overcomes the shortcomings of the need for polar aprotic solvents in heterogeneous organic synthesis Chemicalbook, and can make heterogeneous reactions should be carried out under relatively mild conditions, accelerate the reaction rate and improve yield, thus playing a great role in promoting the development of organic synthesis.
Send your message to this supplier
  • From:
  • To:
    Chongqing Xingcan Pharmaceutical Technology Co., Ltd
  • Send a Copy to this Email
  • Message:
    Upload Images / Files
    -?Supports?jpg,?jpeg,?png,
    ?gif,?pdf,?doc,?docx,
    ?xls,?xlsx,?txt,?rar?and?zip
    -?Max?upload?3?files;
    ?Max??total?size:?3MB
    (0/3)

    Enter between 20 to 4,000 characters.This is not what you are looking for ? Post a Sourcing Request Now

  • Verification:

Contact Us

PharmaSources@imsinoexpo.com

Tel: (+86) 400 610 1188

WhatsApp/Telegram/Wechat: +86 13621645194
+86 15021993094

PharmaSources Customer Service