Methyl 5-chloro-4-[(hydroxyimino)methyl]-1-phenyl-1H-pyrazole-3-carboxylate CAS 320423-32-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 320423-32-3 |
| Molecular Formula | C12H10ClN3O3 |
| Molecular Weight | 279.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Methyl 5-chloro-4-[(hydroxyimino)methyl]-1-phenyl-1H-pyrazole-3-carboxylate (CAS 320423-32-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H10ClN3O3. Molecular weight: 279.68 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H10ClN3O3 |
| Molecular Weight | 279.68 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- tert-Butyl (1-bromoisoquinolin-3-yl)carbamate (CAS 890843-29-5)
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- 1-(2-Chlorophenyl)-N-(3-phenylpropyl)-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxamide (CAS 1207013-51-1)
- 6-Methoxy-5-methylpyrimidin-4-amine (CAS 1097180-28-3)
- Semaglutide Impurity 150 xTFA (CAS CATO-C4X-2226150)
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