Ethyl 1-methyl-3-sulfamoyl-1H-pyrazole-5-carboxylate CAS 1995072-17-7
| CAS No. | 1995072-17-7 |
| Molecular Formula | C7H11N3O4S |
| Molecular Weight | 233.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 1-methyl-3-sulfamoyl-1H-pyrazole-5-carboxylate (CAS 1995072-17-7), a certified reference material (molecular formula C7H11N3O4S, MW 233.24 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H11N3O4S, Ethyl 1-methyl-3-sulfamoyl-1H-pyrazole-5-carboxylate contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 233.24 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.
CATO manufactures Ethyl 1-methyl-3-sulfamoyl-1H-pyrazole-5-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 | C7H11N3O4S |
| Molecular Weight | 233.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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.) | 1996 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
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- 1-phenyl-2-(pyrrolidin-2-yl)ethan-1-ol (CAS 1354959-11-7)
- 1189932-72-6 5-[4-Bromo-1-(methyl-d3)-5-(trifluoromethyl)-1H-pyrazol-3-yl]-2-chloro-4-fluoro- benzoic Acid 1-Methylethyl Ester Fluazolate-d3 Isopropazol-d3 Isopropyl 5-[4-bromo-1-(methyl-d3)-5-(trifluoromethyl)-1H-pyrazol-3-yl]-2-chloro-4-fluorobenzoate JV 485-d3 MON 48500-d3 Twin-Agro-d3 (CAS 1189932-72-6)
- Semaglutide impurity 106 (CAS CATO-C4X-2226106)
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