Astragaloside IV, 90~98% min (HPLC-ELSD), for research purpose only.
CERTIFICATE OF ANALYSIS
Product Description:
1. Molecule formula: C41H68O14
2. FW: 784.97
3. CAS No: 84687-43-4
4. Mp: 295-296 °C
5. From: Astragalus, Chemical constituent of Radix Astragali
6. Chemical Family: Saponins
7. TLC: Use silica gel G. Develop solvent: the bottom layer of chloroform- methanol- H2O (63: 35:10). Spray with 10% ethanol sulfuric acid solution and heat at 105°C for 5 minutes. Result: show one brown spot. Rf = 0.65, identified with Standard Reference of astragaloside IV.
8. HPLC: Acetonitrile-H2O (32:68), Detector: UV, 205nm; ELSD.
9. Storage: 4°C, keep cool and dry.
10. Cited References:
Chinese Pharmacopoeia. 2005 Chinese Version. Volume (1). 212~213.
Chinese Pharmacopoeia. 2000 English Version.
Kitagawa et al. Chem. Pharm. Bull. 1983, 31(2), 689. 698.
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