Ethyl 5-chloro-1-phenyl-1H-pyrazole-4-carboxylate CAS 98534-76-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 98534-76-0 |
| Molecular Formula | C12H11ClN2O2 |
| Molecular Weight | 250.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Ethyl 5-chloro-1-phenyl-1H-pyrazole-4-carboxylate (CAS 98534-76-0) pharmaceutical standards reference standard. Molecular formula: C12H11ClN2O2. Molecular weight: 250.68 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C12H11ClN2O2 |
| Molecular Weight | 250.68 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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- 5-(4-Chloro-phenyl)-2-ethyl-2H-pyrazole-3-carboxylic acid (CAS 1015868-72-0)
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Recommended Standards
- Ethyl 5-chloro-1-phenyl-1H-pyrazole-3-carboxylate (CAS 85174-68-1)
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- 1-Benzyl-4-(4-bromophenylsulfonyl)piperazine (CAS 349398-79-4)
- (2S,3R,4S,5R)-2-(Hydroxymethyl)piperidine-3,4,5-triol (CAS 126663-71-6)
- (R)-2-amino-2-(3-bromo-4-chlorophenyl)ethan-1-ol (CAS 1272745-05-7)
- 2-Benzyl-4,6-dichloropyrimidine (CAS 3740-82-7)
- 3-Methyl-7,8-dihydroquinolin-6(5H)-one (CAS 944895-67-4)
- 2-Amino-7,7-dimethyl-4-(4-nitrophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 144036-35-1)
- Fragment-[3-31]-Semaglutide (CAS CATO-C4X-2226113)
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