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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 190815Generated: November 4, 2026

Staunoside E

staunoside E · Olean-12-en-28-oic acid, 3-[(O-β-D-glucopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→3)]-β-D-glucopyranosyl)oxy]-23-hydroxy-, O-6-deoxy-α-L-mannopyranosyl-(1→4)-O-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl ester, (3β,4α)- (9CI)

https://huagongshe.com/en/chemical/190815

Staunoside E molecular structure

Identifiers & Physical Properties

CAS No.155661-21-5
Molecular formulaC66H108O33
Average molar mass1,429.5 g/mol
Monoisotopic mass1,428.6772859 g/mol
SMILESCC1OC(OC2C(CO)OC(OCC3OC(OC(=O)C45CCC(C)(C)CC4C4=CCC6C7(C)CCC(OC8OC(CO)C(O)C(OC9OC(CO)C(O)C(O)C9O)C8OC8OC(CO)C(O)C(O)C8O)C(C)(CO)C7CCC6(C)C4(C)CC5)C(O)C(O)C3O)C(O)C2O)C(O)C(O)C1O
InChIKeyPRAVTQRLNMDWKH-UHFFFAOYSA-N
PubChem CID190815

Chemical & Physical Properties

XLogP-4.1
Topological polar surface area532
Hydrogen bond donors20
Hydrogen bond acceptors33
Rotatable bonds19
Heavy atoms99
Formal charge0
Complexity2,770
Density1.56±0.1 g/cm3(Predicted)
pKa (acidity coefficient)12.50±0.70(Predicted)