Methyl 3-(2-chloro-6-fluorophenyl)-5-(3-(ethoxycarbonyl)-1-(4-fluorophenyl)-1H-pyrazol-4-yl)isoxazole-4-carboxylate CAS 321571-29-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321571-29-3 |
| Molecular Formula | C23H16ClF2N3O5 |
| Molecular Weight | 487.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-(2-chloro-6-fluorophenyl)-5-(3-(ethoxycarbonyl)-1-(4-fluorophenyl)-1H-pyrazol-4-yl)isoxazole-4-carboxylate (CAS 321571-29-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C23H16ClF2N3O5. Molecular weight: 487.84 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C23H16ClF2N3O5 |
| Molecular Weight | 487.84 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Methyl Standards
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- N-(2-Chloro-4-fluorophenyl)-2-{[3-ethyl-7-(4-methylphenyl)-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl]sulfanyl}acetamide (CAS 1040632-56-1)
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Recommended Standards
- (4AR,6R,7R,7aS)-6-(6-amino-8-((4-chlorophenyl)thio)-9H-purin-9-yl)-7-hydroxy-2-mercaptotetrahydro-4H-furo[3,2-d][1,3,2]dioxaphosphinine 2-oxide (CAS 129693-13-6)
- 7-(Chlorodifluoromethyl)-3-(phenylsulfonyl)-5-(4-(trifluoromethyl)phenyl)pyrazolo[1,5-a]pyrimidine (CAS 685107-54-4)
- (E)-2-((4-chlorobenzyl)thio)quinoline-3-carbaldehyde O-(3,4-dichlorobenzyl) oxime (CAS 478079-34-4)
- 2-Amino-1-(3,4-difluorophenyl)propan-1-ol (CAS 1038241-65-4)
- Cyhalofop DP (CAS 122008-86-0)
- N-Methyl-6-(1H-pyrazol-1-yl)nicotinamide (CAS 1001659-25-1)
- 6-((2-Hydroxyethyl)thio)-1,2,4-triazine-3,5-diol (CAS 300814-18-0)
- 3-Chloro-2-cyclobutoxyaniline (CAS 1249711-25-8)
- N-(p-Tolyl)-1H-imidazole-4-sulfonamide (CAS 58768-25-5)
- Endo-38a-Pro-Exenatide trifluoroacetate salt (CAS 1678416-95-9)
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