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Chemical structure of SIS3 free base

GB40369

SIS3 free base

Also listed as SIS3 - Smad3 inhibitor SIS3

SIS3 is a potent and selective inhibitor of Smad3 and TGF-β signaling· Inhibition by SIS3 leads to abrogation of the TGF-β1-induced production of extracellular matrix proteins in normal fibroblasts and scleroderma fibroblasts· Moreover, Smad3 inhibition attenuates resistance to anti-HER2 drugs in HER2-positive breast cancer cells

ChemicalCAS521985-36-4MW453.53FormulaC28H27N3O3
CAS number
521985-36-4
Molecular weight
453.53
Formula
C28H27N3O3
Solubility
DMSO : 100 mg/mL (220·49 mM; Need ultrasonic)
InChIKey
IJYPHMXWKKKHGT-VAWYXSNFSA-N
Catalogue number
GB40369
Brand
GLPBIO
Computed properties PubChem CID 10138988 · XLogP 4.3 · TPSA 56.6 Ų · H-bond donors 0
XLogP
4.3
TPSA
56.6 Ų
H-bond donors
0
H-bond acceptors
4
Rotatable bonds
5
Heavy atoms
34

SMILES CN1C(=C(C2=C1N=CC=C2)/C=C/C(=O)N3CCC4=CC(=C(C=C4C3)OC)OC)C5=CC=CC=C5

Computed descriptors from PubChem (CID 10138988), 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.