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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 |

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