Ethyl 3-Methylpyrazole-4-carboxylate CAS 85290-78-4
| CAS No. | 85290-78-4 |
| Molecular Formula | C7H10N2O2 |
| Molecular Weight | 154.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ethyl 3-Methylpyrazole-4-carboxylate.
Ethyl 3-Methylpyrazole-4-carboxylate (CAS 85290-78-4) is a high-purity analytical reference standard with the molecular formula C7H10N2O2 and a molecular weight of 154.17 g/mol.
Based on its molecular formula C7H10N2O2, Ethyl 3-Methylpyrazole-4-carboxylate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 154.17 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 3-Methylpyrazole-4-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 | C7H10N2O2 |
| Molecular Weight | 154.17 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.) | 1981 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 5-Ethyl-1-methylpyrazole-4-carboxylic Acid (CAS 1007541-96-9)
- 1-Ethyl-3-methylpyrazole-4-carboxylic acid (CAS 113131-46-7)
- 1-Ethyl-3-methylpyrazole-5-carboxylic Acid (CAS 50920-65-5)
- 1-Ethyl-5-methylpyrazole-3-carboxylic Acid (CAS 50920-46-2)
- Ethyl 4-Methylpyrazole-3-carboxylate (CAS 6076-12-6)
- 1-methylpyrazole-3-carbonyl chloride (CAS 84547-60-4)
- 2-methylpyrazole-3-carbonyl chloride (CAS 84547-59-1)
- 1-Methylpyrazole-5-sulfonamide (CAS 918335-69-0)
Recommended Standards
- Ethyl 3-amino-1H-pyrrole-2-carboxylate (CAS 252932-48-2)
- Ethyl 4-Aminopyrrole-2-carboxylate (CAS 67318-12-1)
- ethyl 2-methyl-1H-imidazole-4-carboxylate (CAS 87326-25-8)
- Ethyl 4-methyl-1H-pyrazole-5-carboxylate (CAS 856061-38-6)
- 7-Nitro-3,4-dihydro-2H-benzo[b][1,4]thiazine (CAS 69373-37-1)
- 2-(6-(Piperidin-1-yl)pyridin-3-yl)piperidine-1-carbaldehyde (CAS 1352538-05-6)
- 4-(4-aminophenyl)-1,2,4-triazolidine-3,5-dione hydrochloride (CAS 334707-11-8)
- 1-Methyl-6-nitro-1H-indazole-3-carbaldehyde (CAS 1288989-47-8)
- Deferasirox Impurity 26 (CAS 1688656-83-8)
- N,N-Dimethylindan-2-amine hydrochloride (CAS 51864-83-6)
- 2-(Chloromethyl)-4-(difluoromethyl)-5-fluoropyridine-3-carboxaldehyde (CAS 1805527-31-4)
- Ethyl 3-bromo-5-cyano-4-iodobenzoate (CAS 1807015-50-4)
- 3-(3,4-Dichlorobenzyl)azetidin-3-ol (CAS 1486179-32-1)
- [Ser]8-Acetylated Semaglutide (CAS CATO-C4X-2226218)
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