Penupogenin is a steroidal aglycone extracted from the roots of Cynanchum auriculatum. References: Chen XL, Geng CA, Chen JJ. A Fragmentation Study of Six C21 Steroidal Aglycones by Electrospray Ionization Ion-Trap Time-of-Flight Tandem Mass Spectrometry. Nat Prod Commun. 2015 Dec;10(12):2053-8. PubMed PMID: 26882663.

纯度：≥98%

CAS：27526-87-0