3-chloro-1-methyl-1H-pyrazole-4-sulfonyl chloride CAS 1369123-50-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1369123-50-1 |
| Molecular Formula | C4H8Cl2N2O2S |
| Molecular Weight | 219.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-chloro-1-methyl-1H-pyrazole-4-sulfonyl chloride (CAS 1369123-50-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H8Cl2N2O2S. Molecular weight: 219.09 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H8Cl2N2O2S |
| Molecular Weight | 219.09 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 DMSO, DMF, methanol |
| 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.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- (4-(Azepan-1-yl)phenyl)boronic acid (CAS 1279027-58-5)
- 4,5-Dichloro-2-methylthieno[2,3-d]pyrimidine (CAS 137287-40-2)
- 2,6-Dichloro-4-thiocyanatoaniline (CAS 14030-85-4)
- 3-Carbamoyl-1,2,2-trimethylcyclopentanecarboxylic acid (CAS 6785-98-4)
- 1-(2-Chlorophenyl)-3-(trifluoromethyl)-1h-pyrazol-5-amine (CAS 437711-26-7)
- Methyl 2-(cyclopropylamino)-4-(1h-pyrazol-1-yl)butanoate (CAS 1339510-48-3)
- Tert-butyl 3-oxo-4-(tetrahydro-2H-pyran-4-yl)piperazine-1-carboxylate (CAS 1400755-13-6)
- 5-Chloro-4-(trifluoromethyl)pyridazin-3(2H)-one (CAS 2820002-76-2)
- 2-Amino-2-(3,4-dihydroxybenzyl)-3-fluoropropanoic acid (CAS 69938-07-4)
- Semaglutide impurity 98 (CAS CATO-C4X-222698)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com