USPUSP-NF
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Quinidine Sulfate
(C20H24N2O2)2·H2SO4·2H2O 782.94
(C20H24N2O2)2·H2SO4 746.93
Cinchonan-9-ol, 6′-methoxy-, (9S)-, sulfate (2:1) (salt), dihydrate;
Quinidine sulfate (2:1) (salt) dihydrate
[6591-63-5] Anhydrous [50-54-4]

DEFINITION

Quinidine Sulfate is the sulfate of an alkaloid obtained from various species of Cinchona and their hybrids and from Remijia pedunculata Flückiger (Fam. Rubiaceae), or prepared from quinine. It contains NLT 99.0% and NMT 101.0% of total alkaloid salt, calculated as Quinidine Sulfate [(C20H24N2O2)2·H2SO4], on the anhydrous basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Quinidine Sulfate RS
USP Quininone RS
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