5-(4-Aminophenyl)-1h-pyrazole-3-carboxylic acid CAS 889302-74-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 889302-74-3 |
| Molecular Formula | C10H9N3O2 |
| Molecular Weight | 203.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(4-Aminophenyl)-1h-pyrazole-3-carboxylic acid (CAS 889302-74-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H9N3O2. Molecular weight: 203.20 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H9N3O2 |
| Molecular Weight | 203.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related Aminophenyl Standards
- 1-(4-Aminophenyl)-1H-pyrazole-3-carboxylic acid (CAS 1006320-17-7)
- 1-(2-Aminophenyl)-1h-pyrazole-3-carboxylic acid (CAS 1053081-83-6)
- 1-(3-aminophenyl)-1H-pyrazole-3-carboxylic acid (CAS 1153435-73-4)
- 1-(4-Aminophenyl)-1H-pyrazole-4-carboxylic acid (CAS 1159694-35-5)
- 1-(4-Aminophenyl)pyrimidine-2,4(1H,3H)-dione (CAS 1797409-11-0)
- 5-(4-Aminophenyl)furan-2-carboxylic acid (CAS 1259061-64-7)
- 5-(2-aminophenyl)-2-furoic acid (CAS 65172-75-0)
- 1-(3-Aminophenyl)-3,3,3-trifluoropropan-1-one (CAS 13541-13-4)
Recommended Standards
- 5-(1H-Imidazole-1-carbonyl)-2-methylpyridin-4(1H)-one (CAS 88252-30-6)
- 5-(4-Methoxyphenyl)-4H-1,2,4-triazole-3-carbaldehyde (CAS 944906-31-4)
- 4-Methyl-6-nitroquinolin-2-amine (CAS 855640-03-8)
- 6’-Chloro-2’-methoxyacetophenone (CAS 881883-32-5)
- 4-(3-Methoxyphenyl)butanal (CAS 91152-86-2)
- 1-(4-Methylbenzoyl)-1,2,5,6-tetrahydropyridine-3-carboxylic acid (CAS 1373247-34-7)
- 2-(5-(2,5-Dichlorophenyl)furan-2-yl)cyclopropanamine (CAS 1315344-42-3)
- Benzyl 2-(6-chloropyridin-3-yl)pyrrolidine-1-carboxylate (CAS 1352499-60-5)
- 1-Bromo-3-fluoro-2-iodo-4-(methoxymethyl)benzene (CAS 2379322-02-6)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com