Hydrocodone Tartrate 2.5-hydrate

Chemical Name: 4,5α-Epoxy-3-methoxy-17-methylmorphinan-6-one hydrogen (2R,3R)-2,3-dihydroxybutanedioate 2.5-hydrate (as per EP) ; 4,5α-Epoxy-3-methoxy-17-methylmorphinan-6-one tartrate (1:1) hydrate (2:5) (as per USP)

Synonym: Dihydrocodeine EP Impurity C ; Oxycodone EP Impurity E

Smile: [H][C@]12C34C5=C(CC2(N(CC4)C)[H])C=CC(OC)=C5O[C@]3(C(CC1)=O)[H].OC([C@H](O)[C@@H](O)C(O)=O)=O