Rabeprazole intermediate

[Chemical Name]: 2,3-Dimethyl-4-nitro-pyridine oxide

[Synonyms]: 4-Nitro-2,3-lutidine-N-oxide

[Structure]:

[Formula]: C7H8N2O3

[Formula Weight]: 168.15

[CAS RN]: 37699-43-7

[Melting point]: 94-98 ℃(lit.)

[Storage temp.]: Room temperature.

[Specification]:

Appearance light yellow crystalline powder
Melting point 89~92℃
Loss on drying 0.5%max
Individual impurity 0.5%max
Assay 99.5%min