5-(Chlorosulfonyl)-1-naphthoic acid CAS 294840-12-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 294840-12-3 |
| Molecular Formula | C11H7ClO4S |
| Molecular Weight | 270.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(Chlorosulfonyl)-1-naphthoic acid (CAS 294840-12-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H7ClO4S. Molecular weight: 270.69 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H7ClO4S |
| Molecular Weight | 270.69 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 |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorosulfonyl Standards
- 3-(Chlorosulfonyl)naphthalene-1-carboxylic acid (CAS 1258652-21-9)
- Methyl 5-(chlorosulfonyl)-4-methoxythiophene-2-carboxylate (CAS 1384429-11-1)
- Methyl 5-(chlorosulfonyl)-4-methoxythiophene-3-carboxylate (CAS 175203-45-9)
- Methyl 5-(chlorosulfonyl)-2,4-difluorobenzoate (CAS 1099632-51-5)
- Methyl 3-(chlorosulfonyl)-2,5-difluorobenzoate (CAS 1154149-20-8)
- Methyl 3-(chlorosulfonyl)-2,6-difluorobenzoate (CAS 1154155-42-6)
- methyl 5-(chlorosulfonyl)-2,3-difluorobenzoate (CAS 1247485-41-1)
- Ethyl 2-(chlorosulfonyl)-4-methylthiazole-5-carboxylate (CAS 89694-92-8)
Recommended Standards
- 4-(2-Pyrazinyloxy)benzenesulfonyl Chloride (CAS 264624-18-2)
- 5-Chloro-6-fluoro-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-4-ol (CAS 2368909-53-7)
- 2-Chloro-5-[(4-nitrophenoxy)methyl]-1,3-thiazole (CAS 339018-26-7)
- 2-Fluoro-5-methyl-N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)benzenesulfonamide (CAS 1637249-16-1)
- 2-(4-(Trifluoromethyl)phenyl)pyrazine (CAS 380626-88-0)
- Roxadustat Impurity 24 (CAS CATO-C4X-221324)
- Felbamate USP Related Compound A (CAS 25451-53-0)
- 5-(3-Chlorophenoxymethyl)furan-2-carbaldehyde (CAS 438220-92-9)
- 3-{1-[2-(4-chloro-2-methylphenoxy)acetyl]piperidin-4-yl}-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775338-44-7)
- D-[Thr]5-Semaglutide (CAS CATO-C4X-2226245)
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