Pyridin-2-ylmethanesulfonyl chloride CAS 540523-41-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 540523-41-9 |
| Molecular Formula | C6H6ClNO2S |
| Molecular Weight | 191.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pyridin-2-ylmethanesulfonyl chloride (CAS 540523-41-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H6ClNO2S. Molecular weight: 191.64 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H6ClNO2S |
| Molecular Weight | 191.64 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Pyridin Standards
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- N-(pyridin-2-ylmethyl)piperidin-4-amine (CAS 1184521-60-5)
- (1-(Pyridin-2-yl)piperidin-3-yl)methanamine (CAS 1202050-45-0)
- N1-(pyridin-2-yl)cyclohexane-1,4-diamine (CAS 1247177-27-0)
- (4-(Pyridin-2-yl)piperidin-4-yl)methanamine (CAS 1501149-78-5)
- 1-(Pyridin-3-ylmethyl)piperidin-4-amine (CAS 160357-88-0)
Recommended Standards
- N-Chlorobenzenesulfonamide (CAS 80-16-0)
- Celecoxib Impurity 34 (CAS 24939-24-0)
- N-[(2-Chloro-5-thiazolyl)methyl]urea (CAS 635283-92-0)
- 3'-Fluoro-4'-methyl-[1,1'-biphenyl]-3-carbaldehyde (CAS 885964-68-1)
- 1-(2,5-Dichlorophenyl)-3-(3,4-dichlorophenyl)urea (CAS 13142-50-2)
- Vazegepant Impurity 10 (CAS CATO-C4X-320010)
- 2,2,2-Trifluoro-N-(4-formyl-2-iodophenyl)acetamide (CAS 774238-73-2)
- 4-Methoxy-3-methylbenzoic Acid (CAS 6880-04-2)
- 2-(Piperazin-1-yl)-N-(pyridin-4-yl)acetamide (CAS 682802-94-4)
- Palmitoyl Tripeptide-1 HCl (CAS 2757690-14-3)
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