USPUSP-NF
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Ephedrine
C10H15NO 165.23
 Benzenemethanol, α-[1-(methylamino)ethyl]-, [R-(R*,S*)]-.
 (−)-Ephedrine
 [299-42-3] Hemihydrate 174.24
 [50906-05-3]

» Ephedrine is anhydrous or contains not more than one-half molecule of water of hydration. It contains not less than 98.5 percent and not more than 100.5 percent of C10H15NO, calculated on the anhydrous basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Ephedrine Sulfate RS
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