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Benzylpenicilloyl Polylysine Injection
» Benzylpenicilloyl Polylysine Injection has a molar concentration of benzylpenicilloyl moiety (C16N2H19O5S) of not less than 5.4 × 10
Packaging and storage
Preserve in single-dose or in multiple-dose containers, preferably of Type I glass, in a refrigerator.
USP Reference standards
USP Endotoxin RS
Bacterial endotoxins
Sterility
pH
Assay
Saline phosphate buffer
and Mercuric chloride solutionPrepare as directed in the Assay under Benzylpenicilloyl Polylysine Concentrate.
Assay preparation
Combine the contents of a sufficient number of containers to obtain not less than 3 mL of Injection. Transfer 3.0 mL of Injection to a 10-mL volumetric flask, dilute with Saline phosphate buffer to volume, and mix.
Procedure
Proceed as directed for Procedure in the Assay under Benzylpenicilloyl Polylysine Concentrate. Calculate the molar concentration of benzylpenicilloyl moiety in the Injection taken by the formula:
(10 / 3){[Am(3 + 0.02n) / 3]
in which the terms are as defined therein.
Auxiliary Information
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USP35NF30 Page 2333
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