Chengdu King-tiger Pharm-chem. Tech. Co. Lltd. is based in China and lists Cycloastragenol 98% and Astragaloside IV 98% on Global Trade Plaza. The company lists 2007 as its year of establishment. Cycloastragenol 98% is a white powder with molecular formula C30H50O5, molecular weight 490.72, and CAS No. 78574-94-4 and 84605-18-5, derived from the dry root of Astragalus membranaceus or its variant. Astragaloside IV 98% is a white powder with molecular formula C41H68O14, molecular weight 784.97, and CAS No. 84687-43-4, also sourced from the dry root of Astragalus membranaceus or its variant. Both products are assayed using HPLC-RID or HPLC-ELSD methods. Buyers can send an enquiry through Global Trade Plaza.