Loading...
Chemical structure of Siwanine B

GF03356

Siwanine B

Also known as [(1R,2S,3S,4S,5R,6S,8R,12S,13S,16R,19S,20R,21S)-14-ethyl-2,6-dihydroxy-4,19-dimethoxy-16-methyl-9,11-dioxa-14-azaheptacyclo[10.7.2.12,5.01,13.03,8.08,12.016,20]docos-17-en-21-yl] acetate

Siwanine B (catalogue number GF03356) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 159903-63-6. Molecular formula C26H37NO8, molecular weight 491.58. IUPAC name: [(1R,2S,3S,4S,5R,6S,8R,12S,13S,16R,19S,20R,21S)-14-ethyl-2,6-dihydroxy-4,19-dimethoxy-16-methyl-9,11-dioxa-14-azaheptacyclo[10.7.2.12,5.01,13.03,8.08,12.016,20]docos-17-en-21-yl] acetate. Supplied as 5mg at ₪3,438.53; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS159903-63-6MW491.58FormulaC26H37NO8
CAS number
159903-63-6
Molecular weight
491.58
Formula
C26H37NO8
InChIKey
IWDNFYTUTCUHPW-GUXIHRGDSA-N
Catalogue number
GF03356
Brand
GLPBIO
Computed properties PubChem CID 102317249 · XLogP -0.1 · TPSA 107 Ų · H-bond donors 2
XLogP
-0.1
TPSA
107 Ų
H-bond donors
2
H-bond acceptors
9
Rotatable bonds
5
Heavy atoms
35

SMILES CCN1C[C@@]2(C=C[C@@H]([C@@]34[C@@H]2[C@@H]([C@@]5([C@H]31)[C@]6(C[C@@H]([C@H]7C[C@@]4([C@@H]6[C@H]7OC)O)O)OCO5)OC(=O)C)OC)C

Computed descriptors from PubChem (CID 102317249), 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.