Nicotinic Acid Impurity E
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CAS Number: 55-22-1
Molecular Formula: C₆H₅NO₂
Molecular Weight: 123.11 g/mol
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| CAS Number | 55-22-1 |
|---|---|
| Alternate CAS# | 105802-34-4 (HBr salt) |
| Molecular Formula | C₆H₅NO₂ |
| Molecular Weight | 123.11 g/mol |
| IUPAC Chemical Name | isonicotinic acid |
| Synonyms | Isonicotinic Acid (USP); Isoniazid EP Impurity A, Nicotinic Acid EP Impurity E; 4-Pyridinecarboxylic Acid; 4-Carboxypyridine; 4-Picolinic Acid; 4-Pyridylcarboxylic Acid |
| USP Name | Isonicotinic Acid |
| EP Name |
Isoniazid EP Impurity A, Nicotinic Acid 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 | >237°C (dec.) |
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