Ethyl 3-chloro-1-methyl-5-sulfamoyl-1H-pyrazole-4-carboxylate CAS 100784-26-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 100784-26-7 |
| Molecular Formula | C7H10ClN3O4S |
| Molecular Weight | 267.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 3-chloro-1-methyl-5-sulfamoyl-1H-pyrazole-4-carboxylate (CAS 100784-26-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H10ClN3O4S. Molecular weight: 267.69 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H10ClN3O4S |
| Molecular Weight | 267.69 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Vonoprazan Impurity 131 (CAS 881674-01-7)
- N1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-N2,N2-dimethylethane-1,2-diamine (CAS 338406-27-2)
- 3-((2-Chloro-6-fluorobenzyl)oxy)-2-methylpyridin-4(1H)-one (CAS 303144-58-3)
- 3-Bromo-2-(bromomethyl)benzaldehyde (CAS 1261438-35-0)
- N-(4-methylbenzyl)benzo[d]thiazol-2-amine (CAS 280117-07-9)
- 1-Cyclohexyl-3,3-dimethoxypropan-1-one (CAS 7014-88-2)
- 4-(Hydroxymethylene)-1,2-dimethylpyrazolidine-3,5-dione (CAS 680987-19-3)
- Ethyl 4-(2-oxo-2H-chromene-3-carbonyl)piperazine-1-carboxylate (CAS 325779-19-9)
- 2,2,3,3-Tetrafluoro-2,3-dihydro-1,4-benzodioxine (CAS 94767-47-2)
- Insulin Degludec Impurity 9 (CAS CATO-C4X-21579)
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