4-Bromo-3-(4-chlorophenyl)-1-methyl-1H-pyrazole-5-carboxylic acid CAS 1245087-32-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1245087-32-4 |
| Molecular Formula | C11H8BrClN2O2 |
| Molecular Weight | 315.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Bromo-3-(4-chlorophenyl)-1-methyl-1H-pyrazole-5-carboxylic acid (CAS 1245087-32-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H8BrClN2O2. Molecular weight: 315.55 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H8BrClN2O2 |
| Molecular Weight | 315.55 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; 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.) | 1990 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
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- Ethyl 7-bromo-4-chloroquinazoline-2-carboxylate (CAS 1189105-79-0)
- 5-Bromo-2-chloro-4-(3-methoxyphenoxy)pyrimidine (CAS 1229186-65-5)
- 4-Bromo-5-(4-chloro-phenyl)-2h-pyrazole-3-carboxylic acid methyl ester (CAS 1239484-59-3)
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- Ethyl 8-bromo-4-chloro-1,6-naphthyridine-3-carboxylate (CAS 1259065-16-1)
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Recommended Standards
- Methyl 4-bromo-5-(3-chlorophenyl)-1h-pyrazole-3-carboxylate (CAS 1319143-37-7)
- 1217226-00-0 Elaidic Acid Ethyl-d5 Ester (CAS 1217226-00-0)
- ethyl 6-bromo-2-chloro-1,8-naphthyridine-3-carboxylate (CAS 1330583-62-4)
- 3-(5-Chloro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)propanoic acid (CAS 1447966-21-3)
- 2-[(2-Chlorophenyl)methoxy]-1-methyl-4-(propan-2-yl)-7-oxabicyclo[2.2.1]heptane (CAS 1212226-42-0)
- Ethyl 3,4-dibromo-5-methylbenzoate (CAS 1565049-33-3)
- (2-(Benzo[d]thiazol-2-yl)pyridin-3-yl)(piperidin-1-yl)methanone (CAS 873856-47-4)
- 4-(1,3-Dioxoisoindol-2-yl)butanal (CAS 3598-60-5)
- N-(3-chlorophenyl)-3-nitrobenzenesulfonamide (CAS 87317-02-0)
- Semaglutide impurity 210 (CAS CATO-C4X-2226210)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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