Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality b,b-Carotene-4,4'-dione,3,3'-dihydroxy-, (3S,3'S)CAS NO.: 472-61-7
High Quality rapamycin from streptomyces*hygroscopicusCAS NO.: 53123-88-9