Research chemical
CAS Number: 250643-56-2
Product details
For laboratory research and professional procurement workflows.
PubChem CID
25058835
Exact Mass
1988.924177
InChIKey
ZGCXBEZHDLUWPW-VWCXZNQNSA-N
IUPAC Name
(2S,3S,4S,5R,6R)-6-[[(3S,4S,4aR,6aR,6bS,8R,8aR,12aS,14aR,14bR)-8a-[(2S,3R,4S,5R,6R)-5-[(3S,5S,6S)-5-[(3S,5S,6S)-5-[(2R,3R,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-3-hydroxy-6-methyloctanoyl]oxy-3-hydroxy-6-methyloctanoyl]oxy-3-[(2S,3R,4S,5R,6S)-5-[(2S,3R,4S,5R)-3,5-dihydroxy-4-[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxyoxan-2-yl]oxy-3,4-dihydroxy-6-methyloxan-2-yl]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-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxyoxane-2-carboxylic acid
SMILES String
CC[C@H](C)[C@H](C[C@H](O)CC(=O)O[C@@H]1[C@H](O)[C@@H](O[C@@H]2O[C@@H](C)[C@H](O[C@@H]3OC[C@@H](O)[C@H](O[C@@H]4OC[C@@H](O)[C@H](O)[C@H]4O)[C@H]3O)[C@@H](O)[C@H]2O)[C@H](OC(=O)[C@]23CCC(C)(C)C[C@H]2C2=CC[C@@H]4[C@@]5(C)CC[C@H](O[C@@H]6O[C@H](C(=O)O)[C@@H](O)[C@H](O[C@@H]7OC[C@@H](O)[C@H](O)[C@H]7O)[C@H]6O[C@@H]6O[C@H](CO)[C@H](O)[C@H](O)[C@H]6O)[C@@](C)(C=O)[C@@H]5CC[C@@]4(C)[C@]2(C)C[C@H]3O)O[C@@H]1C)OC(=O)C[C@@H](O)C[C@H](O[C@@H]1O[C@@H](CO)[C@H](O)[C@H]1O)[C@@H](C)CC
Catalog navigation
Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.
QS-21-xylose is identified by CAS 250643-56-2, with molecular formula C92H148O46, molecular weight 1990.1, InChIKey ZGCXBEZHDLUWPW-VWCXZNQNSA-N.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.
Availability, pack size, lead time, and pricing are confirmed through RFQ.
Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.
Ordering
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Pricing and stock are confirmed on request.
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No physical property values available.
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Heavy atom count
138
H-bond acceptors
46
H-bond donors
23
Rotatable bonds
34
Ring count
13
Aromatic rings
0
Topological polar surface area
716.78 Ų
Computed LogP
-5.69
Fragment-like structure rule
No
Lead-like structure rule
No
Drug-like structure rule
No
Structure family
other structure rule
Precious metal motif
No
Transition metal motif
No
Phosphine ligand motif
No
N-heterocycle motif
No
Boronic acid motif
No
Computed structure descriptors generated from molecular structure. These are not experimental physical property values, supplier specifications, SDS data, or bioactivity claims.
Structural features
QS-21-xylose (CAS 250643-56-2) is maintained as a commercial cas reference with formula C92H148O46, molecular weight 1990. 10 g/mol, PubChem CID 25058835.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Use this page for CAS identity lookup, internal catalog search, and commercial discovery workflows.
Documentation needs
Review supplier documentation before handling; for research use only.
Safety and handling reference content is available through documentation requests.
For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.