27 C.F.R. § 21.70 Formula No. 39–A.
Title 27 - Alcohol, Tobacco Products and Firearms
(a) Formula. To every 100 gallons of alcohol add:
Sixty avoirdupois ounces of any one of the following alkaloids or salts together with Quinine, N.F. X. Quinine bisulfate, N.F. XI. Quinine dihydrochloride, N.F. XI. Cinchonidine. Cinchonidine sulfate, N.F. IX. (b) Authorized uses. (1) As a solvent:
111. Hair and scalp preparations. 122. Toilet waters and colognes. 141. Shampoos. (2) Miscellaneous uses:
812. Product development and pilot plant uses (own use only).
Title 27: Alcohol, Tobacco and Firearms
PART 21—FORMULAS FOR DENATURED ALCOHOL AND RUM
Subpart D—Specially Denatured Spirits Formulas and Authorized Uses
§ 21.70 Formula No. 39–A.