Oxytocin CAS 50-56-6 99% white Peptide powder Custom peptides HY

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CAS 50-56-6
EINECS 200-048-4
Chemical formula C43H66N12O12S2
Molecular weight 1007.19
Density 1.1086 (rough estimate)
Melting point 192-194°C
Boiling point 1533.3°C at 760 mmHg
Specific Spin D22 -26.2° (c = 0.53)
Flash Point 881.1°C
Soluble in water.
Vapour pressure 0mmHg at 25°C
Solubility Very soluble in water. It is soluble in dilute solutions of acetic acid and ethanol (96%).
Refractive index 1.6700 (estimate)
Acidity Coefficient pKa ～6.1(free amino group on Cys) (Occasionally);～10(free phenol on Tyr) (Occasionally)
Storage conditions: 2-8°C
Appearance Lyophilised powder
Colour White
Merck 13,7049
BRN 3586108

Oxytocin is a hormone released by the posterior pituitary gland of the human body, and its main role is to induce contractions and the progress of the labour process. Oxytocin is chemically known as oxytocin-8, which is a polypeptide consisting of nine amino acid residues.

The main use of oxytocin is in obstetrics and gynaecology medicine to facilitate the process of labour. It induces contractions by increasing the strength and frequency of uterine smooth muscle contractions and shortens the duration of labour. In some cases, such as abnormal foetal monitoring or when labour is progressing too slowly, oxytocin can be used to stimulate contractions to maintain and improve foetal health.

Oxytocin is made in two common ways. One is the extraction of oxytocin from the human posterior pituitary gland, which is highly purified and prepared to obtain pure oxytocin. The other method involves the use of chemical synthesis, in which nine amino acid residues are synthesised into a polypeptide chain in a specific order.

There are a number of safety precautions that need to be taken into account when using oxytocin. The use of oxytocin requires strict medical supervision and controlled dosage to avoid possible side effects. Common side effects include overly strong contractions, uterine rupture, foetal distress and intrauterine infections. Therefore, oxytocin should only be used properly under the supervision of a clinician, and close monitoring of the patient's response and the condition of the foetus is required.

In addition, the use of oxytocin is limited by some contraindications, such as uterine scarring, placenta previa, placenta praevia, and other conditions in which the use of oxytocin is contraindicated. Before using oxytocin, the doctor should conduct a thorough assessment of the patient and decide on the appropriate dose and method of oxytocin according to the patient's specific condition.

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