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Molecule record

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

C43H67N11O12S2

994.21 g/mol

Loading structure

Molecular properties

Formula
C43H67N11O12S2
Molar mass
994.21 g·mol−1
Exact mass
993.4412 Da
16
PubChem CID
5311010

Functional groups

Alcohol
Alkane / alkyl carbon
Amide
Aromatic ring
Ether
Primary amine
Secondary amine
Tertiary amine

Physical properties

No source-backed physical properties are curated for this molecule yet.

Common names and synonyms

  • (Mpa(1),D-Tyr(Et)2,Thr(4),Orn(8))oxytocin
  • 081D12SI0Z
  • 1-(3-Mercaptopropionic acid)-2-(3-(p-ethoxyphenyl)-D-alanine)-4-L-threonine-8-L-ornithineoxytocin
  • 1-Deamino-2D-tyr-(OEt)-4-thr-8-orn-oxytocin
  • 1-deamino-2-Tyr(OEt)-4-Thr-8-Orn-oxytocin
  • 90779-69-4
  • Antocile
  • Antocin
Show all 24 synonyms
  • Antocin II
  • Atosiban
  • Atosibanum
  • CAP-449
  • CAP-476
  • CAP-581
  • DTXCID4028917
  • DTXSID8048991
  • F-314
  • ORF 22164
  • Oxytocin, 1-(3-mercaptopropanoic acid)-2-(O-ethyl-D-tyrosine)-4-L-threonine-8-L-ornithine-
  • RW-22164
  • RefChem:115452
  • Rwj 22164
  • Tractocile
  • tractocil

Structure identifiers

Canonical SMILES
CCOc1ccc(C[C@H]2NC(=O)CCSSC[C@@H](C(=O)N3CCC[C@H]3C(=O)N[C@@H](CCCN)C(=O)NCC(N)=O)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H]([C@@H](C)CC)NC2=O)cc1
Isomeric SMILES
CC[C@H](C)[C@H]1C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CSSCCC(=O)N[C@@H](C(=O)N1)CC2=CC=C(C=C2)OCC)C(=O)N3CCC[C@H]3C(=O)N[C@@H](CCCN)C(=O)NCC(=O)N)CC(=O)N)[C@@H](C)O
InChI
InChI=1S/C43H67N11O12S2/c1-5-23(3)35-41(63)53-36(24(4)55)42(64)50-29(20-32(45)56)38(60)51-30(43(65)54-17-8-10-31(54)40(62)49-27(9-7-16-44)37(59)47-21-33(46)57)22-68-67-18-15-34(58)48-28(39(61)52-35)19-25-11-13-26(14-12-25)66-6-2/h11-14,23-24,27-31,35-36,55H,5-10,15-22,44H2,1-4H3,(H2,45,56)(H2,46,57)(H,47,59)(H,48,58)(H,49,62)(H,50,64)(H,51,60)(H,52,61)(H,53,63)/t23-,24+,27-,28+,29-,30-,31-,35-,36-/m0/s1
InChIKey
VWXRQYYUEIYXCZ-OBIMUBPZSA-N
PubChem CID
5311010

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library
No redistributable or simulated spectroscopy record is attached yet.

Simulated NMR

On-demand educational prediction for (2S)-N-[(2S)-5-amino-1-[(2-amino-2-oxoethyl)amino]-1-oxopentan-2-yl]-1-[(4R,7S,10S,13S,16R)-7-(2-amino-2-oxoethyl)-13-[(2S)-butan-2-yl]-16-[(4-ethoxyphenyl)methyl]-10-[(1R)-1-hydroxyethyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carbonyl]pyrrolidine-2-carboxamide; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for (2S)-N-[(2S)-5-amino-1-[(2-amino-2-oxoethyl)amino]-1-oxopentan-2-yl]-1-[(4R,7S,10S,13S,16R)-7-(2-amino-2-oxoethyl)-13-[(2S)-butan-2-yl]-16-[(4-ethoxyphenyl)methyl]-10-[(1R)-1-hydroxyethyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carbonyl]pyrrolidine-2-carboxamide; not experimental data.

Sources

Molecule identity

Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.

PubChem(link only)
Open source record