Promethazine HCl

CAS NO.: 58-33-3

Formula: C17H20N2S. HCl

Weight: 284.42 36.46

Promethazine EP Impurity A (Phenothiazine)

CAS NO.: 92-84-2

Formula: C12H9NS

Weight: 199.27

Promethazine EP Impurity B HCl (Isopromethazine HCl)

CAS NO.: 5568-90-1

Formula: C17H20N2S. HCl

Weight: 284.42 36.46

Promethazine EP Impurity C HCl

CAS NO.: 60113-77-1

Formula: C16H18N2S.HCl

Weight: 270.39 36.46

Promethazine EP Impurity D (Promethazine Sulfoxide)

CAS NO.: 7640-51-9

Formula: C17H20N2OS.HCl

Weight: 300.42 36.46

Promethazine Impurity 1 HCl

CAS NO.:

Formula: C16H18N2S.HCl

Weight: 270.4 36.46

Promethazine Impurity 2 Trifluoroacetate

CAS NO.:

Formula: C17H20N2OS.C2HF3O2

Weight: 300.42 114.02

Promethazine Impurity 3 Trifluoroacetate

CAS NO.:

Formula: C17H20N2O2S.C2HF3O2

Weight: 316.43 114.02

Promethazine Impurity 4

CAS NO.: 64505-48-2

Formula: C4H9NO2

Weight: 103.12

Promethazine Impurity 5 HCl

CAS NO.:

Formula: C15H16N2S.HCl

Weight: 256.37 36.46

Promethazine Impurity 6

CAS NO.:

Formula: C17H19N2O2S

Weight: 315.41

Promethazine Impurity 7 HCl

CAS NO.: 1135334-50-7

Formula: C17H20N2O2S.HCl

Weight: 316.42 36.46

Promethazine Impurity 8

CAS NO.: 51237-49-1

Formula: C17H20N2O3S

Weight: 332.418

Promethazine Impurity 8 Trifluoroacetate

CAS NO.:

Formula: C17H20N2O3S. C2HF3O2

Weight: 332.42 114.02

Phenothiazine Impurity 9

CAS NO.: 1637-16-7

Formula: C14H13NS

Weight: 227.33

Phenothiazine Impurity 10

CAS NO.: 38076-67-4

Formula: C13H9NOS

Weight: 227.28