Scientific information on chemical compounds included in crude drugs
Mannan

Molecular formula C24H42O21
Average molecular mass
(Molecular weight)
666.6
Exact molecular mass 666.221858 
[M+H]+ 667.23 
[M-H]- 665.214 
CAS  
NIKKAJI  
PUBCHEM No. 25147451
Crude drug Dioscorea Rhizome
IUPAC_NAME (2S,3S,4S,5S,6R)-2-[(2R,3S,4R,5R,6S)-6-[(2R,3S,4R,5S,6S)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2R,3R,4R,5S,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol
Remarks InChIKey (PubChem): LUEWUZLMQUOBSB-GFVSVBBRSA-N