Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 1-Propanesulfonic acid,3-(cyclohexylamino)-2-hydroxy-, sodium salt (1:1)CAS NO.: 102601-34-3
High Quality Benzenemethanaminium,ar-ethenyl-N,N,N-trimethyl-, chloride (1:1)CAS NO.: 26616-35-3