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Chemical structure of Ethinylestriol

GB51174

Ethinylestriol

Also listed as (8R,9S,13S,14S,16R,17R)-17-ethynyl-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,16,17-triol

Ethinylestriol (catalogue number GB51174) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 4717-40-2. Molecular formula C20H24O3, molecular weight 312.4. IUPAC name: (8R,9S,13S,14S,16R,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,16,17-triol. Supplied as 1mg at ₪1,199.20; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS4717-40-2MW312.4FormulaC20H24O3
CAS number
4717-40-2
Molecular weight
312.4
Formula
C20H24O3
InChIKey
VSODIPLKPBLGCC-NADOGSGZSA-N
Catalogue number
GB51174
Brand
GLPBIO
Computed properties PubChem CID 11723045 · XLogP 2.7 · TPSA 60.7 Ų · H-bond donors 3
XLogP
2.7
TPSA
60.7 Ų
H-bond donors
3
H-bond acceptors
3
Rotatable bonds
1
Heavy atoms
23

SMILES C[C@]12CC[C@H]3[C@H]([C@@H]1C[C@H]([C@]2(C#C)O)O)CCC4=C3C=CC(=C4)O

Computed descriptors from PubChem (CID 11723045), 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.