We test Cycloastragenol 98% and Astragaloside IV 98% from authorized third-party lab Intertek every year, the purity of each test is over 99%.

Chengdu King-tiger Pharm-chem. Tech. Co., Ltd. is not only committed to product purity, but also attaches great importance to product safety. Such as ID, Pesticide residues, PAHs, Aflatoxin, etc. we will check some batches regularly and send samples to the third party Laboratory for testing.

Chengdu King-tiger Pharm-chem. Tech. Co., Ltd. has set up warehouses in the United States and Europe. We can choose the nearest warehouse to deliver goods to customers, which can avoid possible tariff problems and shorten transportation time for customers.

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 (0.3%,1%,5%,10%,20%,50%), Light yellow powder(70%,90%),White powder (98%)
Molecular Formula: C41H68O14
Molecular Weight: 784.97
CAS No.:84687-43-4
Assay Test method: HPLC-ELSD
Other Inspection item:The Characteristic of Chengdu King-tiger Astragaloside IV:
1:Astragaloside IV 98% is pure white powder,HPLC purity is 99.00% above, can be directly used as a reference substance.
2:100% natural extract of astragalus:low purity of astragaloside IV,in addition to contain astragaloside IV,also contain natural ingredients of astragalus, such as astragalus polysaccharides,astragalus saponins,astragalus flavone etc., to ensure product safety and effectiveness.
3:All specifications can be provided from stock in large quantity at any time. Third-party test report will be provided with Astragaloside IV.