Impurity Standards

IP, USP and EP Compliant

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ETILEFRINE

Etilefrine Impurity D

CAT No.-

CAS No.42146-10-1

Mol. F.C17H19NO2

Mol. W.269.35

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ETHYLENE GLYCOL

Ethylene Glycol Impurity 1 (Ethylene GlycolMonoformate)

CAT No.-

CAS No.628-35-3

Mol. F.C3H6O3

Mol. W.90.08

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ETHACRYNIC ACID

Ethacrynic Acid Impurity B

CAT No.-

CAS No.27929-18-6

Mol. F.C13H13Cl3O4

Mol. W.339.61

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ETHACRYNIC ACID

Ethacrynic Acid Impurity A

CAT No.-

CAS No.1217-67-0

Mol. F.C12H12Cl2O4

Mol. W.291.12

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ETHACRYNIC ACID

Ethacrynic Acid Impurity 2

CAT No.-

CAS No.25355-92-4

Mol. F.C26H24Cl4O8

Mol. W.606.27

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ETHACRYNIC ACID

Ethacrynic Acid Impurity 1

CAT No.-

CAS No.-

Mol. F.C12H10Cl2O5

Mol. W.305.11

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ETHAMBUTOL

Ethambutol EP Impurity C (2R,2’R-Ethambutol)DiHCl

CAT No.-

CAS No.134566-79-3

Mol. F.C10H24N2O2. 2 HCl

Mol. W.204.31 2 36.46

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ETHAMBUTOL

Ethambutol EP Impurity B (2R,2’S-Ethambutol)DiHCl

CAT No.-

CAS No.10054-06-5 (freebase)

Mol. F.C10H24N2O2. 2 HCl

Mol. W.204.31 2 36.46

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ESTRIOL

Estriol Impurity 1

CAT No.-

CAS No.1417721-33-5

Mol. F.C18H22O3

Mol. W.286.37

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ESTRIOL

Estriol EP Impurity E

CAT No.-

CAS No.1228-72-4

Mol. F.C18H24O3

Mol. W.288.39

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