4-(chlorosulfonyl)-5-methyl-1H-pyrazole-3-carboxylic acid CAS 1486497-42-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1486497-42-0 |
| Molecular Formula | C5H5ClN2O4S |
| Molecular Weight | 224.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(chlorosulfonyl)-5-methyl-1H-pyrazole-3-carboxylic acid (CAS 1486497-42-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H5ClN2O4S. Molecular weight: 224.62 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H5ClN2O4S |
| Molecular Weight | 224.62 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 |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related chlorosulfonyl Standards
- Methyl 2-(chlorosulfonyl)furan-3-carboxylate (CAS 1011241-51-2)
- 4-(Chlorosulfonyl)-5-methylfuran-2-carboxylic acid (CAS 1016760-03-4)
- Methyl 5-(Chlorosulfonyl)-1H-pyrazole-4-carboxylate (CAS 1532000-54-6)
- Methyl 5-(chlorosulfonyl)furan-2-carboxylate (CAS 69816-05-3)
- 3-(chlorosulfonyl)propane-1-sulfonyl fluoride (CAS 1803571-16-5)
- Methyl 2-(chlorosulfonyl)cyclopent-1-ene-1-carboxylate (CAS 87631-72-9)
- 4-(Chlorosulfonyl)-1-methyl-1h-pyrrole-2-carboxylic acid (CAS 1000932-01-3)
- Methyl 4-(chlorosulfonyl)-1h-pyrrole-2-carboxylate (CAS 1354963-62-4)
Recommended Standards
- (4-Chloro-3-fluorophenyl)(furan-2-yl)methanone (CAS 1443351-86-7)
- (3-Chloro-5-fluorophenyl)(furan-2-yl)methanone (CAS 1443341-98-7)
- 3-Chloro-1-(2-fluorophenyl)pyrazin-2(1H)-one (CAS 1707399-39-0)
- 1H-Azepine,hexahydro-2-(3-methylphenyl)- 383129-36-0 CTK4H9683 (CAS 383129-36-0)
- Methyl 2-amino-4,5-bis(benzyloxy)benzoate (CAS 1415560-78-9)
- 6-Bromo-2,3-dihydrobenzo[b][1,4]dioxine-2,2,3,3-d4 (CAS 1949816-54-9)
- Prilocaine Impurity 19 (CAS 677029-53-7)
- 1-(2,5-Difluorophenyl)propan-2-ol (CAS 1248383-93-8)
- Ethyl 4-(3,3-dimethyl-2-oxoazetidin-1-yl)benzoate (CAS 341965-86-4)
- C-Peptide 2 (rat) (CAS 41594-08-5)
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