Ethyl 5-phenylpyrazolo[1,5-a]pyridine-3-carboxylate CAS 99446-40-9
| CAS No. | 99446-40-9 |
| Molecular Formula | C16H14N2O2 |
| Molecular Weight | 266.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-phenylpyrazolo[1,5-a]pyridine-3-carboxylate (CAS 99446-40-9) is a high-purity analytical reference standard with the molecular formula C16H14N2O2 and a molecular weight of 266.29 g/mol.
Based on its molecular formula C16H14N2O2, Ethyl 5-phenylpyrazolo[1,5-a]pyridine-3-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 266.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Ethyl 5-phenylpyrazolo[1,5-a]pyridine-3-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C16H14N2O2 |
| Molecular Weight | 266.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
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Recommended Standards
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- 2,4-Difluoro-5-nitrobenzene-1-sulfonyl chloride (CAS 1780-83-2)
- 4-(Chloromethyl)-1-(4-methoxyphenethyl)-1H-1,2,3-triazole (CAS 1285248-64-7)
- 1-(2-triethylsilylethynyl)cyclohexanol (CAS 18415-45-7)
- 1-(3-(Trifluoromethyl)pyridin-2-yl)-1H-indole-3-carbaldehyde (CAS 477848-00-3)
- 3-Methyl-2-(quinolin-3-yl)butanoic acid (CAS 1458139-83-7)
- Methyl 2-(4-bromo-5-fluoro-1H-pyrazol-1-yl)-2-methylpropanoate (CAS 2092077-14-8)
- 5α-PREGNAN-3β, 11β, 20β, 21-TETROL (CAS 7285-27-0)
- Bilastine Impurity 73 (CAS 874895-87-1)
- tert-Butyl 3-[(2,2-diethoxyethyl)amino]-2-methylpropanoate (CAS 1221341-98-5)
- D-Ala21-Tirzepatide (CAS CATO-CPTD788913)
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