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U.S. Department of Health and Human Services

CFR - Code of Federal Regulations Title 21

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The information on this page is current as of April 1 2016.

For the most up-to-date version of CFR Title 21, go to the Electronic Code of Federal Regulations (eCFR).

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TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION
DEPARTMENT OF HEALTH AND HUMAN SERVICES
SUBCHAPTER D--DRUGS FOR HUMAN USE
 
PART 331ANTACID PRODUCTS FOR OVER-THE-COUNTER (OTC) HUMAN USE
 

Subpart A--General Provisions
   § 331.1 - Scope.

Subpart B--Active Ingredients
   § 331.10 - Antacid active ingredients.
   § 331.11 - Listing of specific active ingredients.
   § 331.15 - Combination with nonantacid active ingredients.

Subpart C--Testing Procedures
   § 331.20 - Determination of percent contribution of active ingredients.
   § 331.21 - Test modifications.

Subpart D--Labeling
   § 331.30 - Labeling of antacid products.
   § 331.80 - Professional labeling.

Authority: 21 U.S.C. 321, 351, 352, 353, 355, 360, 371.
Source: 39 FR 19874, June 4, 1974, unless otherwise noted.

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