Entacapone EP Impurity A

Product Code:

ET/1001

CAS Number:

145195-63-7

Molecular Formula:

C14H15N3O5

Molecular Weight:

305.29

Synonyms : (2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide

Entacapone EP Impurity B

Product Code:

ET/1002

CAS Number:

1215039-66-9

Molecular Formula:

C12H10N2O6

Molecular Weight:

278.22

Synonyms : Ethyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate

Entacapone EP Impurity C

Product Code:

ET/1003

CAS Number:

116313-85-0

Molecular Formula:

C7H5N05

Molecular Weight:

183.12

Synonyms : 3,4-Dihydroxy-5-nitrobenzaldehyde

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