Details:
Plant source:The dry root of Astragalus membranaceus (Fisch. )Bge.(Main origin of Gansu) or Astragalus membranaceus (Fisch. ) Bge. var. mongholicus ( Bge. ) Hsiao(Main origin of Inner Mongolia)
Appearance: Brown yellow powder (5%, 10%), Light yellow powder(50%,90%),White powder (98%)

Molecular Formula: C30H50O5
Molecular Weight: 490.72
CAS No.:78574-94-4,84605-18-5
Assay Test method: HPLC-RID or HPLC-ELSD
Other Inspection item:The Characteristic of Chengdu King-tiger Cycloastragenol:
1:Chengdu King-tiger cycloastragenol product does not contain open-ring by-products astragenol,to ensure product safety and effectiveness (see "Customer Notice").
2:Cycloastrageon 98% is pure white powder,HPLC purity is 99.00% above, can be directly used as a reference substance.
3:100% natural extract of astragalus:low purity of cycloastragenol,in addition to contain cycloastragenol,the other ingredients are all natural ingredients of astragalus, such as astragalus polysaccharides,astragalus saponins,astragalus flavone etc.. 
4:All specifications can be provided from stock in large quantity at any time. Third-party test report will be provided with cycloastragenol.