Allopurinol Impurity E
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CAS Number: 31055-19-3
Molecular Formula: C7H9N3O3
Molecular Weight: 183.16 g/mol
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| CAS Number | 31055-19-3 |
|---|---|
| Alternate CAS# | NA |
| Molecular Formula | C7H9N3O3 |
| Molecular Weight | 183.16 g/mol |
| IUPAC Chemical Name | ethyl 5-formamido-1H-pyrazole-4-carboxylate |
| Synonyms | Allopurinol EP Impurity E; Allopurinol USP Related Compound E; 5-Formylamino-1H-pyrazole-4-carboxylic acid Ethyl Ester; Ethyl 5-(formylamino)-1H-pyrazole-4-carboxylate |
| USP Name | Allopurinol USP Related Compound E |
| EP Name | Allopurinol EP Impurity E |
| Appearance Specifications | White to Off-White Solid |
| Storage Condition | Refrigerator, under inert atmosphere, Protect from light |
| Material Type | Primary Standard |
| Melting Point | 199 °C |
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