5-Amino-1-(4-bromophenyl)-1h-pyrazole-4-carboxylic acid CAS 438243-87-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 438243-87-9 |
| Molecular Formula | C10H8BrN3O2 |
| Molecular Weight | 282.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Amino-1-(4-bromophenyl)-1h-pyrazole-4-carboxylic acid (CAS 438243-87-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H8BrN3O2. Molecular weight: 282.09 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H8BrN3O2 |
| Molecular Weight | 282.09 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 5-Amino-1-(2-bromophenyl)-1H-pyrazole-4-carboxylic acid (CAS 1017794-42-1)
- 2-Amino-3-bromo-5-methoxynaphthalene-1,4-dione (CAS 192718-88-0)
- 3-Amino-2-bromo-5-methoxynaphthalene-1,4-dione (CAS 192718-89-1)
- 7-Amino-6-bromo-5-methyl-1,8-naphthyridine-3-carboxylic acid (CAS 2691878-77-8)
- 5-Amino-1-(4-bromophenyl)-1H-1,2,3-triazole-4-carboxamide (CAS 929837-67-2)
- 1-(2-Amino-5-bromo-3-(trifluoromethyl)phenyl)ethanone (CAS 1806855-82-2)
- 1-(2-Amino-3-bromo-5-(trifluoromethyl)phenyl)ethanone (CAS 1807101-00-3)
- 1-(4-Amino-3-bromo-5-(trifluoromethyl)phenyl)ethan-1-one (CAS 97760-77-5)
Recommended Standards
- 5-(4-Bromophenyl)isoxazole-3-carboxylic acid hydrazide (CAS 870703-96-1)
- 5-Bromo-1-(2-oxopropyl)indoline-2,3-dione (CAS 75822-35-4)
- 5-(4-Bromo-phenyl)-3-methyl-isoxazole-4-carboxylic acid (CAS 91182-60-4)
- 1-MEthoxy-4-nitro-2-(propan-2-yloxy)benzene (CAS 36160-54-0)
- Ethyl 6-bromo-4-phenylquinoline-2-carboxylate (CAS 1341220-94-7)
- 1-(2-(6-(Isopropylthio)pyridin-3-yl)piperidin-1-yl)ethanone (CAS 1352494-01-9)
- N-(4-(3-Methoxypyrrolidin-1-yl)phenyl)isonicotinamide (CAS 1797277-65-6)
- 3,3-Dimethylbicyclo[2.2.1]heptan-2-one (CAS 13211-15-9)
- 1-{[(Butan-2-yl)amino]methyl}naphthalen-2-ol hydrochloride (CAS 1240568-39-1)
- Semaglutide Impurity 13 (CAS CATO-C4X-222613)
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