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Chemical structure of QS-21

GC63377

QS-21

Also known as 6-[[8a-[3-[5-[4-[3,4-dihydroxy-4-(hydroxymethyl)oxolan-2-yl]oxy-3,5-dihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-methyloxan-2-yl]oxy-5-[5-[5-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-3-hydroxy-6-methyloctanoyl]oxy-3-hydroxy-6-methyloctanoyl]oxy-4-hydroxy-6-methyloxan-2-yl]oxycarbonyl-4-formyl-8-hydroxy-4,6a,6b,11,11,14b-hexamethyl-1,2,3,4a,5,6,7,8,9,10,12,12a,14,14a-tetradecahydropicen-3-yl]oxy]-3-hydroxy-5-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-(3,4,5-trihydroxyoxan-2-yl)oxyoxane-2-carboxylic acid

QS-21 is an immune-stimulatory saponin that can be used as an effective vaccine adjuvant

ChemicalCAS141256-04-4MW1990.13FormulaC92H148O46
CAS number
141256-04-4
Molecular weight
1990.13
Formula
C92H148O46
Solubility
DMSO ： 100 mg/mL (50·25 mM; Need ultrasonic); H2O ： 50 mg/mL (25·12 mM; Need ultrasonic)
InChIKey
DRHZYJAUECRAJM-UHFFFAOYSA-N
Catalogue number
GC63377
Brand
GLPBIO
Computed properties PubChem CID 72809956 · XLogP -2.4 · TPSA 717 Ų · H-bond donors 23
XLogP
-2.4
TPSA
717 Ų
H-bond donors
23
H-bond acceptors
46
Rotatable bonds
38
Heavy atoms
138

SMILES CCC(C)C(CC(CC(=O)OC(CC(CC(=O)OC1C(OC(C(C1O)OC2C(C(C(C(O2)C)OC3C(C(C(CO3)O)OC4C(C(CO4)(CO)O)O)O)O)O)OC(=O)C56CCC(CC5C7=CCC8C9(CCC(C(C9CCC8(C7(CC6O)C)C)(C)C=O)OC1C(C(C(C(O1)C(=O)O)O)OC1C(C(C(CO1)O)O)O)OC1C(C(C(C(O1)CO)O)O)O)C)(C)C)C)O)C(C)CC)O)OC1C(C(C(O1)CO)O)O

Computed descriptors from PubChem (CID 72809956), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
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Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.