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Code of Federal Regulations (Last Updated: May 6, 2024) |
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Title 21 - Food and Drugs |
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Chapter I - Food and Drug Administration, Department of Health and Human Services |
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SubChapter D - Drugs for Human Use |
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Part 436 - TESTS AND METHODS OF ASSAY OF ANTIBIOTIC AND ANTIBIOTIC-CONTAINING DRUGS |
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Subpart H - Tests for Specific Antibiotic Dosage Forms |
§ 436.504 - Penicillin-bacitracin ointment.
Latest version.
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(a)
Potency— (1)Penicillin content. Proceed as directed in § 540.380a(b)(1) of this chapter, except the last sentenceof that paragraph. Its content of penicillin is satisfactory if it contains not less than 85 percent of the number of units it is represented to contain. (2)
Bacitracin content. Proceed as directed in § 448.510a(b)(1) of this chapter, except that sufficient penicillinase is added to the sample under test to completely inactivate the penicillin present. Its content of bacitracin is satisfactory if it contains not less than 85 percent of the number of units it is represented to contain.(b)
Moisture. Proceed as directed in § 436.201.