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Cat Number: INT91872025

4-Amino-3,5-dichloropyridine N-oxide

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CAS Number

91872-02-5

Synonyms

Roflumilast Impurity 17;3,5-dichloro-4-aminopyridine 1-oxide;4-Pyridinamine, 3,5-dichloro-, 1-oxide

Description

4-Amino-3,5-dichloropyridine N-Oxide is the impurity of the drug Roflumilast (R639700), which is a selective phosphodiesterase 4(PDE4) inhibitor, antiasthmatic.

Molecular Weight

179

Molecular Formula

C5H4Cl2N2O

pKa

2.25±0.10(Predicted)

Boiling Point

391.6±37.0 ℃(Predicted)

Density, g/cm3

1.66±0.1(Predicted)

Melting Point

210 ℃ (decomp)

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