Scientific information on chemical compounds included in crude drugs
Physcion

Molecular formula C16H12O5
Average molecular mass
(Molecular weight)
284.26
Exact molecular mass 284.068473 
[M+H]+ 285.076 
[M-H]- 283.061 
CAS  
NIKKAJI  
PUBCHEM No. 10639
Crude drug Cassia Seed,Rhubarb
IUPAC_NAME 1,8-dihydroxy-3-methoxy-6-methylanthracene-9,10-dione
Remarks InChIKey (PubChem): FFWOKTFYGVYKIR-UHFFFAOYSA-N