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Chemical structure of Clemastanin B

GC68881

Clemastanin B

Also known as (2R,3S,4S,5R,6S)-2-(hydroxymethyl)-6-[4-[[(3R,4R,5S)-4-(hydroxymethyl)-5-[3-methoxy-4-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]oxolan-3-yl]methyl]-2-methoxyphenoxy]oxane-3,4,5-triol

Clemastanin B is a lignin that has strong anti-influenza activity by inhibiting virus proliferation, preventing and blocking virus attachment· Clemastanin B targets the internalization of viruses, uncoating or ribonucleoprotein (RNP) export from the cell nucleus· It also has antioxidant and anti-inflammatory activities

ChemicalCAS112747-98-5MW684.68FormulaC32H44O16
CAS number
112747-98-5
Molecular weight
684.68
Formula
C32H44O16
InChIKey
PBLWZMSRSJTRHJ-NCIRKIHRSA-N
Catalogue number
GC68881
Brand
GLPBIO
Computed properties PubChem CID 10009802 · XLogP -1.2 · TPSA 247 Ų · H-bond donors 9
XLogP
-1.2
TPSA
247 Ų
H-bond donors
9
H-bond acceptors
16
Rotatable bonds
12
Heavy atoms
48

SMILES COC1=C(C=CC(=C1)C[C@H]2CO[C@@H]([C@H]2CO)C3=CC(=C(C=C3)O[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)OC)O[C@H]5[C@@H]([C@H]([C@@H]([C@H](O5)CO)O)O)O

Computed descriptors from PubChem (CID 10009802), 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
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
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.