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Chemical structure of Cucurbitacin B

GN10535

Cucurbitacin B

Also known as [(E,6R)-6-[(2S,8S,9R,10R,13R,14S,16R,17R)-2,16-dihydroxy-4,4,9,13,14-pentamethyl-3,11-dioxo-2,7,8,10,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-17-yl]-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl] acetate

Cucurbitacin B (catalogue number GN10535) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 6199-67-3. Molecular formula C32H46O8, molecular weight 558.7. IUPAC name: [(E,6R)-6-[(2S,8S,9R,10R,13R,14S,16R,17R)-2,16-dihydroxy-4,4,9,13,14-pentamethyl-3,11-dioxo-2,7,8,10,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-17-yl]-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl] acetate. Supplied as 20mg at ₪1,382.75; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS6199-67-3MW558.7FormulaC32H46O8
CAS number
6199-67-3
Molecular weight
558.7
Formula
C32H46O8
Solubility
≥ 55·9mg/mL in DMSO
InChIKey
IXQKXEUSCPEQRD-DKRGWESNSA-N
Catalogue number
GN10535
Brand
GLPBIO
Computed properties PubChem CID 5281316 · XLogP 2.6 · TPSA 138 Ų · H-bond donors 3
XLogP
2.6
TPSA
138 Ų
H-bond donors
3
H-bond acceptors
8
Rotatable bonds
6
Heavy atoms
40

SMILES CC(=O)OC(C)(C)/C=C/C(=O)[C@@](C)([C@H]1[C@@H](C[C@@]2([C@@]1(CC(=O)[C@@]3([C@H]2CC=C4[C@H]3C[C@@H](C(=O)C4(C)C)O)C)C)C)O)O

Computed descriptors from PubChem (CID 5281316), 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.