-
tert-Butyldimethylsilyl chloride CAS18162-48-6Silicon alkylating agent, hydroxyl protecting agent.
-
4-?Chlorophenylboronic acid CAS1679-18-1Mainly used in the liquid crystal and pharmaceutical intermediates
-
Citraconic anhydride CAS616-02-4Ning kang anhydride (2 - methyl butylene anhydride) is a medicine, pesticide, surfactant and the important intermediate of chemical products such as synthetic resin.