Atosiban

C₄₃H₆₇N₁₁O₁₂S₂ — CID 5311010

About Atosiban

Atosiban (PubChem CID 5311010) has the molecular formula C₄₃H₆₇N₁₁O₁₂S₂ and a molecular weight of 994.21 g/mol. Its IUPAC name is (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.

Molecular Properties

• Compound Name: Atosiban
• PubChem CID: 5311010
• Molecular Formula: C₄₃H₆₇N₁₁O₁₂S₂
• Molecular Weight: 994.21 g/mol
• Exact Mass: 993.44
• IUPAC Name: (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
• 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
• 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
• XLogP: -3.04
• TPSA: 365.67 Ų
• H-Bond Donors: 11
• H-Bond Acceptors: 15
• Rotatable Bonds: 18
• Heavy Atoms: 68
• Complexity: —

Lipinski Rule of Five

3 violations

Rule	Value
MW ≤ 500	994.21
LogP ≤ 5	-3.04
H-Bond Donors ≤ 5	11
H-Bond Acceptors ≤ 10	15

Computed Properties (RDKit)

• Structural Alerts: {'alert_name': 'disulphide', 'substructure': 'N/A'}

Frequently Asked Questions

What is the IUPAC name of Atosiban?

The IUPAC name of Atosiban (CID 5311010) is (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.

What is the SMILES notation for Atosiban?

The canonical SMILES for Atosiban is 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.

What is the InChIKey of Atosiban?

The InChIKey is VWXRQYYUEIYXCZ-OBIMUBPZSA-N. The full InChI is 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.

What are the key properties of Atosiban?

Atosiban has a molecular weight of 994.21 g/mol, XLogP of -3.04, 18 rotatable bonds, 11 hydrogen bond donors, and 15 hydrogen bond acceptors.

Where does this data come from?

All data for Atosiban is sourced from PubChem (CID 5311010), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).

Sources

• PubChem CID 5311010 — identifiers, structure, computed properties (public domain)
• DrugCentral drug card 3008 — approved-drug record (CC BY-SA 4.0)

How this page is built: methodology · editorial policy & corrections.