Methyl 1-ethyl-5-methyl-1H-pyrazole-3-carboxylate CAS 88398-71-4
| CAS No. | 88398-71-4 |
| Molecular Formula | C8H12N2O2 |
| Molecular Weight | 168.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 1-ethyl-5-methyl-1H-pyrazole-3-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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Methyl 1-ethyl-5-methyl-1H-pyrazole-3-carboxylate (CAS 88398-71-4), molecular formula C8H12N2O2 and molecular weight 168.19 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures Methyl 1-ethyl-5-methyl-1H-pyrazole-3-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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.) | 1982 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Methyl 1,3,5-trimethylpyrazole-4-carboxylate (CAS 25016-19-7)
- Methyl 2-(1,4-dimethyl-1H-pyrazol-3-yl)acetate (CAS 98489-72-6)
- Methyl 1,3,4-trimethyl-1H-pyrazole-5-carboxylate (CAS 773136-70-2)
- Methyl 2-(3,5-dimethyl-1H-pyrazol-1-yl)acetate (CAS 79559-08-3)
- Ethyl 2-[(6-bromonaphthalen-2-yl)oxy]acetate (CAS 153291-12-4)
- 3-(2h-Indazol-3-ylformamido)propanoic acid (CAS 1019110-35-0)
- ETHYL 3-METHYL-7-OXO-6,7-DIHYDRO-5H-CYCLOPENTA[C]PYRIDINE-6-CARBOXYLATE (CAS 1026417-03-7)
- Methyl 3-(1-Methyl-1H-pyrazol-4-yl)propanoate (CAS 224776-32-3)
- 2-Chloro-n,n'-diphenylacetimidamide (CAS 40403-43-8)
- 1-Methyl-7-nitro-1H-indazole-3-carbaldehyde (CAS 1288989-44-5)
- 1,2-Dibromo-3-methylbenzene (CAS 61563-25-5)
- 5-Amino-1,3-dimethyl-6-(methylamino)-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 61541-46-6)
- Ilaprazole Impurity 26 (CAS 2285346-41-8)
- Gastrin Tetrapeptide (CAS 1947-37-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com