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Chemical structure of (Ser⁴,Ile⁸)-Oxytocin

GA20305

(Ser⁴,Ile⁸)-Oxytocin

Also known as (2S)-1-[(4R,7S,10S,16S,19R)-19-amino-7-(2-amino-2-oxoethyl)-13-[(2S)-butan-2-yl]-10-(hydroxymethyl)-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carbonyl]-N-[(2S,3S)-1-[(2-amino-2-oxoethyl)amino]-3-methyl-1-oxopentan-2-yl]pyrrolidine-2-carboxamide

(Ser⁴,Ile⁸)-Oxytocin (catalogue number GA20305) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 550-21-0. Molecular formula C41H63N11O12S2, molecular weight 966.15. IUPAC name: (2S)-1-[(4R,7S,10S,16S,19R)-19-amino-7-(2-amino-2-oxoethyl)-13-[(2S)-butan-2-yl]-10-(hydroxymethyl)-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carbonyl]-N-[(2S,3S)-1-[(2-amino-2-oxoethyl)amino]-3-methyl-1-oxopentan-2-yl]pyrrolidine-2-carboxamide. Supplied in 2 pack sizes, from 1mg at ₪934.07 to 5mg at ₪2,508.53; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS550-21-0MW966.15FormulaC41H63N11O12S2
CAS number
550-21-0
Molecular weight
966.15
Formula
C41H63N11O12S2
Solubility
Soluble in DMSO
InChIKey
XMINXPSYULINQV-WZONHCQSSA-N
Catalogue number
GA20305
Brand
GLPBIO
Computed properties PubChem CID 123960 · XLogP -1.9 · TPSA 427 Ų · H-bond donors 12
XLogP
-1.9
TPSA
427 Ų
H-bond donors
12
H-bond acceptors
15
Rotatable bonds
15
Heavy atoms
66

SMILES CC[C@H](C)C1C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CSSC[C@@H](C(=O)N[C@H](C(=O)N1)CC2=CC=C(C=C2)O)N)C(=O)N3CCC[C@H]3C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N)CC(=O)N)CO

Computed descriptors from PubChem (CID 123960), 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.