Oxytocin Injection
» Oxytocin Injection is a sterile solution of Oxytocin in a suitable diluent. Each mL of Oxytocin Injection possesses an oxytocic activity of not less than 90.0 percent and not more than 110.0 percent of that stated on the label in USP Oxytocin Units.
Packaging and storage
Preserve in single-dose or multiple-dose containers, preferably of Type I glass or in suitable plastic containers.
Labeling
Label it to indicate its oxytocic activity in USP Oxytocin Units per mL. Label it also to state the animal source if naturally derived, or to state that it is synthetic.
Bacterial endotoxins 85
It contains not more than 35.7 Endotoxin Units per USP Oxytocin Unit.
pH 791:
between 3.0 and 5.0.
Particulate matter 788:
meets the requirements for small-volume injections.
Other requirements
It meets the requirements under Injections 1.
Assay
Proceed as directed for Oxytocin except to use undiluted Injection as the Assay preparation and to allow not less than 25 minutes between injections. Calculate the potency, in USP Oxytocin Units per mL, by the formula:
C(rU / rS)
in which C is the concentration, in USP Oxytocin Units per mL, of the Standard preparation; and rU and rS are the mean values of the peak responses obtained from the Assay preparation and the Standard preparation, respectively.
Auxiliary Information
Please check for your question in the FAQs before contacting USP.
Chromatographic Column
USP32NF27 Page 3186
Pharmacopeial Forum: Volume No. 32(6) Page 1750
Chromatographic columns text is not derived from, and not part of, USP 32 or NF 27.
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