Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality copper(Ⅱ) sulfate pentahydrateCAS NO.: 7758-99-8
High Quality Phosphoric acid,calcium salt, hydrate (1:1:2)CAS NO.: 7789-77-7
High Quality 4,7,10,13,16,19-Docosahexaenoicacid, (4Z,7Z,10Z,13Z,16Z,19ZCAS NO.: 6217-54-5