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Atosiban acetate
Name
Atosiban acetate
Molecular structural formula
Purity
≥98%
CAS Number
914453-95-5
Formula
C45H71N11O14S2
MW
1054.24
Target
Oxytocin Receptor; Vasopressin Receptor
Sequence
deamino-Cys(1)-D-Tyr(Et)-Ile-Thr-Asn-Cys(1)-Pro-Orn-Gly-NH2.CH3CO2H(Disulfide bridge: Cys1-Cys6)
Sequence Shortening
deamino-Cys(1)-D-Tyr(Et)-Ile-Thr-Asn-Cys(1)-Pro-Orn-Gly-NH2.CH3CO2H(Disulfide bridge: Cys1-Cys6)
InChIKey
SVDWBHHCPXTODI-QIWYXCRTSA-N
Solubility in DMSO
100 mg/mL
Solubility in water
50 mg/mL
References
[1]. Sanu O, et al. Critical appraisal and clinical utility of atosiban in the management of preterm labor. Ther Clin Risk Manag. 2010 Apr 26;6:191-9. [2]. Philip J Ryan, et al. Oxytocin-receptor-expressing Neurons in the Parabrachial Nucleus Regulate Fluid Intake. Nat Neurosci. 2017 Dec;20(12):1722-1733.
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Atosiban acetate (RW22164 acetate;RWJ22164 acetate) is a nonapeptide competitive vasopressin/oxytocin receptor antagonist, and is a desamino-oxytocin analogue. Atosiban is the main tocolytic agent and has the potential for spontaneous preterm labor research.