Ethyl 7-(4-chlorophenyl)-6-cyano-5-oxo-3,5-dihydro[1,2,4]triazolo[1,5-a]pyridine-8-carboxylate CAS 478261-99-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478261-99-3 |
| Molecular Formula | C16H11ClN4O3 |
| Molecular Weight | 342.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 7-(4-chlorophenyl)-6-cyano-5-oxo-3,5-dihydro[1,2,4]triazolo[1,5-a]pyridine-8-carboxylate (CAS 478261-99-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H11ClN4O3. Molecular weight: 342.74 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H11ClN4O3 |
| Molecular Weight | 342.74 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 |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Ethyl Standards
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Recommended Standards
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- 4-(2-Chloropyrimidin-4-yl)benzoic acid (CAS 281232-89-1)
- 4-Ethoxybenzenesulfonic acid (CAS 46204-52-8)
- 2-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohex-2-en-1-one (CAS 2301976-85-0)
- N-(Furan-2-ylmethyl)-1-(p-tolyl)-1H-1,2,3-triazole-4-carboxamide (CAS 951611-11-3)
- Antiarrhythmic peptide (cattle atrium) (CAS 81771-37-1)
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