
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.
- 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.
- Questions
- WhatsApp · +972-55-990-7576 · orders@labo.co.il