Ethyl 1-methyl-5-oxo-1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylate CAS 2792144-11-5
| CAS No. | 2792144-11-5 |
| Molecular Formula | C10H12N2O3 |
| Molecular Weight | 208.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Ethyl 1-methyl-5-oxo-1,4,5,6-tetrahydrocyclopenta[c]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.
Ethyl 1-methyl-5-oxo-1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylate (CAS 2792144-11-5) is a high-purity analytical reference standard with the molecular formula C10H12N2O3 and a molecular weight of 208.21 g/mol.
Based on its molecular formula C10H12N2O3, Ethyl 1-methyl-5-oxo-1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-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 208.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C10H12N2O3 |
| Molecular Weight | 208.21 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Nitrogen Atoms | 2 |
Recommended Standards
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- Ethyl 2-((4-methylpyridin-2-yl)amino)-2-oxoacetate (CAS 349119-54-6)
- 12-Fluorododecanoic acid (CAS 593-11-3)
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- 1-(2-Isopropoxyphenyl)-N-methylmethanamine (CAS 1082821-06-4)
- Primaquine Impurity 1 (CAS 47136-26-5)
- Ethyl 2-amino-5-bromo-3-methylbenzoate, 97% (CAS 1032668-56-6)
- 1-(Adamantan-1-yl)pyridin-1-ium bromide (CAS 19984-57-7)
- 4-Ethylbenzo[d]oxazole-2-thiol (CAS 915151-24-5)
- (1R)-2,2',3,3'-Tetrahydro-6,6'-bis[2,4,6-tris(1-methylethyl)phenyl]-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1372719-98-6)
- Semaglutide impurity 71 (CAS CATO-C4X-222671)
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