Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 3-(4-Nitro-1-oxo-1,3-dihydroisoindol-2-yl)piperidine-2,6-dioneCAS NO.: 827026-45-9
High Quality Ethyl S-4-chloro-3-hydroxybutyrateCAS NO.: 86728-85-0