4-(Pyridine-4-amido)benzoic acid CAS 5651-66-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5651-66-1 |
| Molecular Formula | C13H10N2O3 |
| Molecular Weight | 242.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Pyridine-4-amido)benzoic acid (CAS 5651-66-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H10N2O3. Molecular weight: 242.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H10N2O3 |
| Molecular Weight | 242.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related Pyridine Standards
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- 4-(Pyridine-2-amido)benzoic acid (CAS 5693-36-7)
- Pyridine-2-carboxaldehyde 4-nitrophenylhydrazone (CAS 55537-30-9)
- Pyridine-2-carboxaldehyde 4-nitrophenylhydrazone (CAS 70421-66-8)
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- 3-(pyridine-3-carbonyl)-4H,5H,6H-cyclopenta[b]thiophen-2-amine (CAS 1803582-68-4)
- 3-(pyridine-4-carbonyl)-4H,5H,6H-cyclopenta[b]thiophen-2-amine (CAS 1803593-69-2)
Recommended Standards
- 4,4’-Dihydroxybenzil (CAS 33288-79-8)
- 4-(Nicotinamido)benzoic acid (CAS 5768-40-1)
- 4,4'-Dimethyl-[1,1'-bi(cyclohexane)]-3,3',6,6'-tetraene-2,2',5,5'-tetraone (CAS 4388-07-2)
- 2-(tert-Butyl) 3a,6a-dimethyl dihydropyrrolo[3,4-c]pyrrole-2,3a,6a(1H,3H,4H)-tricarboxylate (CAS 1823864-72-7)
- 6-(Difluoromethyl)-4-methylnicotinonitrile (CAS 1806768-51-3)
- Riociguat Impurity N40 (CAS 428854-23-3)
- Methyl 1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate (CAS 20845-23-2)
- 2-Chloro-N-[4-(3-nitrophenyl)-1,3-thiazol-2-yl]-2-phenylacetamide (CAS 565191-94-8)
- Acetatodicarbonylruthenium,polymer (CAS 26317-70-4)
- Custom peptides (CAS CATO-CPTD788509)
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