Scientific information on chemical compounds included in crude drugs
Sennoside B

Molecular formula C42H38O20
Average molecular mass
(Molecular weight)
862.7
Exact molecular mass 862.195644 
[M+H]+ 863.203 
[M-H]- 861.188 
CAS 128-57-4
NIKKAJI J238.581C
PUBCHEM No. 91440
Crude drug Rhubarb,Senna Leaf
IUPAC_NAME (9S)-9-[(9R)-2-carboxy-4-hydroxy-10-oxo-5-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-9H-anthracen-9-yl]-4-hydroxy-10-oxo-5-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-9H-anthracene-2-carboxylic acid
Remarks InChIKey (PubChem): IPQVTOJGNYVQEO-AIFLABODSA-N