Molecular Weight: 994.19
Molecular Formula: C43H67N11O12S2
Canonical SMILES: CCC(C)C1C(=O)NC(C(=O)NC(C(=O)NC(CSSCCC(=O)NC(C(=O)N1)CC2=CC=C(C=C2)OCC)C(=O)N3CCCC3C(=O)NC(CCCN)C(=O)NCC(=O)N)CC(=O)N)C(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/h11-14,23-24,27-31,35-36,5
InChIKey: VWXRQYYUEIYXCZ-OBIMUBPZSA-N
Boiling Point: 1469.0±65.0 °C at 760 mmHg
Melting Point: >165 °C (dec.)
Purity: 95%
Solubility: Soluble in DMSO
Application: Atosiban is used as an intravenous medication as a labour repressant (tocolytic) to halt premature labor.
Storage: Store at -20 °C
Synonyms: Antocin II; ORF 22164; RWJ-22164; 1-(3-Mercaptopropanoic Acid)-2-(O-ethyl-D-tyrosine)-4-L-threonine-8-L-ornithineoxytocin; 1-Deamino-2-D-Tyr-(O-ethyl)-4-Thr-8-ornoxytocin; Glycinamide, O-ethyl-N-(3-mercapto-1-oxopropyl)-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-L-cysteinyl-L-prolyl-L-ornithyl-, cyclic (1→5)-disulfide; Antocile; Antocin; CAP 449; Tractocile; CAP 476; CAP 581; F 314; RW 22164; deamino-Cys-D-Tyr(Et)-Ile-Thr-Asn-Cys-Pro-Orn-Gly-NH2 (Disulfide bridge: Cys1-Cys6); Deamino-cysteinyl-O4-ethyl-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparagyl-L-cysteinyl-L-prolyl-L-ornithyl-glycinamide (1->6)-disulfide
DescriptionAtosiban, a nonapeptide, desamino-oxytocin analogue, is a competitive inhibitor of the hormones oxytocin and vasopressin. It inhibits the oxytocin-mediated release of inositol trisphosphate from the myometrial cell membrane. It is used as an intravenous medication as a labour repressant (tocolytic) to halt premature labor.
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