APIs

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

Cat Number
INT91872025
CAS Number
91872-02-5

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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 Formula
C5H4Cl2N2O
Molecular Weight
179
Melting Point
210 ℃ (decomp)
Boiling Point
391.6±37.0 ℃(Predicted)
pKa
2.25±0.10(Predicted)
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