9 C.F.R. § 113.50 Ingredients of biological products.
Title 9 - Animals and Animal Products
All ingredients used in a licensed biological product shall meet accepted standards of purity and quality; shall be sufficiently nontoxic so that the amount present in the recommended dose of the product shall not be toxic to the recipient; and in the combinations used shall not denature the specific substances in the product below the minimum acceptable potency within the dating period when stored at the recommended temperature. [38 FR 29889, Oct. 30, 1973]
Title 9: Animals and Animal Products
PART 113—STANDARD REQUIREMENTS
Ingredient Requirements
§ 113.50 Ingredients of biological products.