21 CFR 640.55

§ 640.55 U.S. Standard preparation.

United States · 21 CFR — Food and Drugs · Status: effective

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Citation: 21 CFR 640.55, § 640.55 U.S. Standard preparation, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/88496
Permanent ID: ys:prov:88496@1
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Full text

A U.S. Standard Antihemophilic Factor (Factor VIII) preparation may be obtained from the Center for Biologics Evaluation and Research, (HFM-407) (see mailing addresses in § 600.2 of this chapter) for use in the preparation of a working reference to be employed in a quality control potency test of Cryoprecipitated AHF.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.