Neomycin Sulfate and Bacitracin Ointment
» Neomycin Sulfate and Bacitracin Ointment contains the equivalent of not less than 90.0 percent and not more than 130.0 percent of the labeled amounts of neomycin and bacitracin.
Packaging and storage
Preserve in tight, light-resistant containers, preferably at controlled room temperature.
Thin-layer chromatographic identification test 201BNP:
meets the requirements.
Minimum fill 755:
meets the requirements.
Water, Method I 921:
not more than 0.5%, 20 mL of a mixture of toluene and methanol (7:3) being used in place of methanol in the titration vessel.
Assay for neomycin
Proceed with Ointment as directed in the Assay under Neomycin Sulfate Ointment.
Assay for bacitracin
Proceed with Ointment as directed in the Assay under Bacitracin Ointment
Auxiliary Information
Please check for your question in the FAQs before contacting USP.
USP35NF30 Page 4011
Pharmacopeial Forum: Volume No. 28(4) Page 1153
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