Ethyl 2-methyl-2-(1H-pyrazol-3-yl)propanoate CAS 2107504-57-2
| CAS No. | 2107504-57-2 |
| Molecular Formula | C9H14N2O2 |
| Molecular Weight | 182.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 182.22 g/mol gives Ethyl 2-methyl-2-(1H-pyrazol-3-yl)propanoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 2-methyl-2-(1H-pyrazol-3-yl)propanoate (CAS 2107504-57-2), molecular formula C9H14N2O2 and molecular weight 182.22 g/mol, is a CATO reference standard with documented purity and traceability.
Ethyl 2-methyl-2-(1H-pyrazol-3-yl)propanoate (C9H14N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Ethyl 2-methyl-2-(1H-pyrazol-3-yl)propanoate 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 | C9H14N2O2 |
| Molecular Weight | 182.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-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 |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 2 |
Recommended Standards
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- Ethyl 2-ethyl-5-methylpyrazole-3-carboxylate (CAS 50920-64-4)
- Ethyl 2-methyl-6-oxocyclohex-1-ene-1-carboxylate (CAS 89337-63-3)
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- 1,1-Dimethylethyl 2-[(1-hydroxycyclohexyl)methyl]hydrazinecarboxylate (CAS 2361232-07-5)
- N-(3,5-bis(trifluoromethyl)phenyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxamide (CAS 861208-56-2)
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- 6-Bromo-2-(3-fluorophenyl)-4H-chromen-4-one (CAS 213894-73-6)
- Semaglutide Impurity 149 (CAS CATO-C4X-2226149)
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