Ethyl 1,4-dimethyl-1H-pyrazole-5-carboxylate CAS 68809-64-3
| CAS No. | 68809-64-3 |
| Molecular Formula | C8H12N2O2 |
| Molecular Weight | 168.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 1,4-dimethyl-1H-pyrazole-5-carboxylate (C8H12N2O2) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Ethyl 1,4-dimethyl-1H-pyrazole-5-carboxylate (CAS 68809-64-3), molecular formula C8H12N2O2 and molecular weight 168.19 g/mol, is a CATO reference standard with documented purity and traceability.
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 1,4-dimethyl-1H-pyrazole-5-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 | C8H12N2O2 |
| Molecular Weight | 168.19 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.) | 1976 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 3-(1,5-Dimethyl-1h-pyrazol-4-yl)propanoic acid (CAS 1006446-62-3)
- 3-(1,3-Dimethyl-1h-pyrazol-4-yl)propanoic acid (CAS 1006490-35-2)
- Methyl 2-(1,4-dimethyl-1H-pyrazol-5-yl)acetate (CAS 1071814-37-3)
- 1-Ethyl-3,5-dimethyl-1H-pyrazole-4-carboxylic acid (CAS 108444-24-2)
- 2-(3,5-Dimethyl-1h-pyrazol-4-yl)propanoic acid (CAS 1093416-51-3)
- 3-(1,5-Dimethyl-1H-pyrazol-3-yl)propanoic acid (CAS 1267133-90-3)
- 3-(1,3-Dimethyl-1h-pyrazol-5-yl)propanoic acid (CAS 1351385-42-6)
- 2,2-Dimethyl-3-(1H-pyrazol-1-yl)propanoic acid (CAS 1514861-89-2)
Recommended Standards
- Ethyl 1,4-dimethyl-1H-imidazole-5-carboxylate (CAS 35445-32-0)
- ethyl 1,4-dimethylpyrazole-3-carboxylate (CAS 68809-65-4)
- Ethyl 1,4-dimethyl-1H-imidazole-2-carboxylate (CAS 898834-09-8)
- Ethyl 1,5-dimethyl-1H-imidazole-2-carboxylate (CAS 898834-10-1)
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