methyl 5-(chlorosulfonyl)-1-ethyl-1h-pyraZole-3-carboxylate CAS 1260659-24-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1260659-24-2 |
| Molecular Formula | C7H9ClN2O4S |
| Molecular Weight | 252.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
methyl 5-(chlorosulfonyl)-1-ethyl-1h-pyraZole-3-carboxylate (CAS 1260659-24-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H9ClN2O4S. Molecular weight: 252.68 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H9ClN2O4S |
| Molecular Weight | 252.68 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.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related methyl Standards
- Ethyl 5-(chlorosulfonyl)-3-methyl-1H-pyrazole-4-carboxylate (CAS 1299471-28-5)
- Ethyl 5-(chlorosulfonyl)-1-methyl-1h-pyrazole-4-carboxylate (CAS 88398-82-7)
- methyl 4-(chlorosulfonyl)-5-ethylfuran-2-carboxylate (CAS 1443981-74-5)
- Methyl 4-(chlorosulfonyl)-2,5-dimethyl-3-furoate (CAS 306936-34-5)
- 5-(chlorosulfonyl)-4-fluoro-2-methylbenzoic acid (CAS 1026030-54-5)
- Methyl 4-(chlorosulfonyl)-2-fluorobenzoate (CAS 1063733-16-3)
- Methyl 3-(chlorosulfonyl)-4-fluorobenzoate (CAS 1099660-67-9)
- Methyl 3-(chlorosulfonyl)-5-fluorobenzoate (CAS 1155909-75-3)
Recommended Standards
- 1-(2-(5-Chlorothiophen-2-yl)-2-oxoethyl)-1h-1,2,4-triazole-3-carbonitrile (CAS 1197757-33-7)
- 6-Chloro-n4-(3-fluoro-4-methylphenyl)pyrimidine-2,4-diamine (CAS 1197676-74-6)
- 2,4-Dioxo-1-propyl-1,2,3,4-tetrahydropyrimidine-5-sulfonyl chloride (CAS 1339172-38-1)
- 2-[(4-Fluorobenzyl)amino]nicotinonitrile (CAS 854382-09-5)
- 3-Bromo-4-methylpyridine-2,5-diamine (CAS 929976-62-5)
- 4488-40-8 1-Naphthalenecarboxylic acid, 4-methyl- 4-Methyl-1-naphthalenecarboxylic acid (CAS 4488-40-8)
- 3-Amino-1-(1-methyl-1h-pyrazol-3-yl)pyrrolidin-2-one (CAS 1315365-07-1)
- 1-(4-(Difluoromethoxy)phenyl)-5-phenyl-1,3-dihydro-2H-imidazole-2-thione (CAS 1105190-29-1)
- 3-(Trifluoromethyl)-1H-indol-6-amine (CAS 1132668-54-2)
- Des-Ala28-Tirzepatide (CAS CATO-CPTD788945)
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 13829788188 / jacky.chen@cato-chem.com