4H-Pyrazole-3-carboxylic acid, 5-methyl-, ethyl ester CAS 886495-75-6
| CAS No. | 886495-75-6 |
| Molecular Formula | C7H10N2O2 |
| Molecular Weight | 154.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4H-Pyrazole-3-carboxylic acid, 5-methyl-, ethyl ester 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.
CATO supplies 4H-Pyrazole-3-carboxylic acid, 5-methyl-, ethyl ester (CAS 886495-75-6), a certified reference material (molecular formula C7H10N2O2, MW 154.17 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H10N2O2, 4H-Pyrazole-3-carboxylic acid, 5-methyl-, ethyl ester 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).
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.
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.) | 1987 |
| Nitrogen Atoms | 2 |
Related H Standards
- 1H-Pyrazole-3,5-dicarboxamide (CAS 1397683-79-2)
- 1H-Pyrazole, 5-chloro-4-ethynyl-1,3-dimethyl- (CAS 61514-57-6)
- 1H-Pyrazole-1,5-dicarboxylic acid (CAS 90993-83-2)
- 1H-Pyrazole-3,4-dicarboxylic acid (CAS 31962-35-3)
- 1H-Pyrazole-3,5-dicarboxylic acid (CAS 3112-31-0)
- 3H-Pyrazole-3,5-dicarboxylic acid (CAS 85908-17-4)
- 1H-pyrazole-4-sulfonamide (CAS 27429-59-0)
- 1H-Pyrazole-4-sulfonic acid (CAS 438630-65-0)
Recommended Standards
- 4-Ethyl-6-methoxy-1,3,5-triazin-2-amine (CAS 701-78-0)
- 4-Hydrazinyl-6-(1-methylhydrazinyl)pyrimidine (CAS 663909-90-8)
- 4-Ethyl-6-(methylamino)-1,3,5-triazin-2-ol (CAS 57639-50-6)
- 4-Isopropyl-1H-imidazole-5-carboxylic acid (CAS 80304-43-4)
- 1-(1-Ethyl-2,5-dimethyl-1H-pyrrol-3-yl)ethanone (CAS 943120-21-6)
- 5-Nitrothiophene-2-carboxaldehyde 5-nitro-2-thiophenecarboxaldehyde 5-Nitrothiophene-2-carbaldehyde 5-nitro-thiophene-2-carbaldehyde 5-nitro-2-thiophenecarbaldehyde 4521-33-9 (CAS 4521-33-9)
- (E)-1,4-Dichloro-3-buten-2-one (CAS 69711-44-0)
- Exatecan Impurity 1 (CAS 110351-91-2)
- 1-(4-(5-Benzoylpyridin-2-yl)piperazin-1-yl)ethanone (CAS 1355219-60-1)
- 3-Chloro-2-fluoro-n,n-dimethylbenzene-1-sulfonamide (CAS 1263277-46-8)
- methyl 4-[(6-cyanopyridin-3-yl)oxy]benzoate (CAS 1547789-81-0)
- (17β)-13-Ethyl-3-methoxygona-1,3,5(10),15-tetraen-17-ol (CAS 59126-63-5)
- n1-(3,4-Dichlorobenzyl)-n2,n2-dimethylethane-1,2-diamine (CAS 91429-04-8)
- Semaglutide Main Chain P29 (CAS 1169630-82-3)
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