Ephedrine Impurities

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Impurity structure Parent Drug Name Name of Impurity Catalogue No. CAS No.
Ephedrine EP Impurity A Ephedrine

Ephedrine EP Impurity A

VL2050001 1798-60-3
Ephedrine Impurity 12 (HCl) Ephedrine

Ephedrine Impurity 12 (HCl)

VE0015026 N/A
Ephedrine Impurity 14 (HCl) Ephedrine

Ephedrine Impurity 14 (HCl)

VE0015028 N/A
Ephedrine Impurity 15 (HCl) Ephedrine

Ephedrine Impurity 15 (HCl)

VE0015024 N/A
Ephedrine Impurity 16 (HCl) Ephedrine

Ephedrine Impurity 16 (HCl)

VE0015025 101859-99-8
Ephedrine Impurity 2 Ephedrine

Ephedrine Impurity 2

VE0015033 21480-44-4
Ephedrine Impurity 3 Ephedrine

Ephedrine Impurity 3

VE0015030 21480-43-3
N-Acetyl Ephedrine Ephedrine

N-Acetyl Ephedrine

VE0015032 2272-83-5
N-Nitroso Ephedrine Ephedrine

N-Nitroso Ephedrine

VE0011708 1850-61-9
N-Nitrosoephedrine-D3 Ephedrine

N-Nitrosoephedrine-D3

DVE001495 N/A
Phenylacetylcarbinol Ephedrine

Phenylacetylcarbinol

VL3820001 53439-91-1
(1R,2S)-(-)-Norephedrine Ephedrine

(1R,2S)-(-)-Norephedrine

VE0020246 492-41-1