1-ethyl-3-methoxy-pyrazole-4-sulfonyl chloride CAS 1851280-07-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1851280-07-3 |
| Molecular Formula | C6H13ClN2O3S |
| Molecular Weight | 228.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-ethyl-3-methoxy-pyrazole-4-sulfonyl chloride (CAS 1851280-07-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H13ClN2O3S. Molecular weight: 228.70 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H13ClN2O3S |
| Molecular Weight | 228.70 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3,4-Dihydronaphthalene-2-sulfonyl chloride (CAS 17070-56-3)
- 5-(3-Chloropropyl)-3-(thiophen-2-yl)-1,2,4-oxadiazole (CAS 19580-45-1)
- 4-Chloro-1-((2-methylthiazol-4-yl)methyl)-1h-pyrazol-3-amine (CAS 1496736-87-8)
- (S)-N-(1-phenylethyl)pentan-3-amine hydrochloride (CAS 374790-92-8)
- 2-(4-Methoxypyrimidin-2-yl)ethan-1-amine (CAS 944899-23-4)
- Citalopram Impurity 95 (CAS CATO-C4X-110995)
- Carbamimidothioic Acid 9-Hydroxynonyl Ester Bromide (CAS 511545-93-0)
- Ethyl 2-(2-aminooxazol-5-yl)acetate (CAS 1120271-63-7)
- 1H-pyrazolo[4,3-b]pyridin-3-ylmethanol (CAS 1785566-87-1)
- Insulin Degludec Impurity 10 (CAS CATO-C4X-215710)
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