§ 21.104 - Cinchonidine.

Latest version.

Link to an amendment published at 81 FR 59462, August 30, 2016.
(a) Melting point. 208° to 210 °C.
(b) Color. White powder.
(c) Taste. Bitter.
(d) Test. A solution of cinchonidine in dilute sulfuric acid shall not have more than a faint blue fluorescence (to distinguish from quinine and quinoidine).

[T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001]

                    
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