1491300

Oxytocin

United States Pharmacopeia (USP) Reference Standard

• Synonym(s): Posterior pituitary extract, α-Hypophamine, Oxytocic hormone
• Empirical Formula (Hill Notation): C₄₃H₆₆N₁₂O₁₂S₂
• CAS Number: 50-56-6
• Molecular Weight: 1007.19
• Beilstein: 3586108
• MDL number: MFCD00076731
• UNSPSC Code: 41116107
• PubChem Substance ID: 329750651
• NACRES: NA.24

Properties

• grade: pharmaceutical primary standard
• API family: oxytocin
• manufacturer/tradename: USP
• application(s): pharmaceutical (small molecule)
• format: neat
• SMILES string: [H]N[C@H]1CSSC[C@H](NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@@H](NC(=O)[C@H](Cc2ccc(O)cc2)NC1=O)[C@@H](C)CC)C(=O)N3CCC[C@H]3C(=O)N[C@@H](CC(C)C)C(=O)NCC(N)=O
• InChI: 1S/C43H66N12O12S2/c1-5-22(4)35-42(66)49-26(12-13-32(45)57)38(62)51-29(17-33(46)58)39(63)53-30(20-69-68-19-25(44)36(60)50-28(40(64)54-35)16-23-8-10-24(56)11-9-23)43(67)55-14-6-7-31(55)41(65)52-27(15-21(2)3)37(61)48-18-34(47)59/h8-11,21-22,25-31,35,56H,5-7,12-20,44H2,1-4H3,(H2,45,57)(H2,46,58)(H2,47,59)(H,48,61)(H,49,66)(H,50,60)(H,51,62)(H,52,65)(H,53,63)(H,54,64)/t22-,25-,26-,27-,28-,29-,30-,31-,35-/m0/s1
• InChI key: XNOPRXBHLZRZKH-DSZYJQQASA-N
• Gene Information: human ... OXTR(5021)

Description

Amino Acid Sequence

Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2 [Disulfide Bridge: 1-6]

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Oxytocin is a nonapeptide hormone that possesses the ability to induce contractions in the smooth muscles of the uterus and the myoepithelial cells in the mammary gland. This hormone is synthetically produced and has a minimum oxytocic activity of 400 USP Oxytocin Units per milligram.

Application

Oxytocin USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:

• Oxytocin Injection

Biochem/physiol Actions

Stimulates uterine contraction and lactation; increases Na⁺ excretion; stimulates myometrial GTPase and phospholipase C.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

This product is part of the USP Biologics program.

Sales restrictions may apply.

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable