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Pyrazinamide EP Impurity B

Product Code:

PYE/1002

CAS Number:

19847-12-2

Molecular Formula:

C5H3N3

Molecular Weight:

105.1
Synonyms : Pyrazine-2-carbonitrile.

Pyrimethamine EP Impurity A

Product Code:

PYH/1001

CAS Number:

55474-40-3

Molecular Formula:

C11H10ClNO

Molecular Weight:

207.66
Synonyms : 2-(4-Chlorophenyl)-3-oxopentanenitrile.

Pyrimethamine EP Impurity B

Product Code:

PYH/1002

CAS Number:

3275-44-3

Molecular Formula:

C11H11ClN4

Molecular Weight:

234.68
Synonyms : 5-(4-Chlorophenyl)-6-methylpyrimidine-2,4-diamine.