2-Chloro-5-(ethanesulfonyl)benzoic acid CAS 90649-97-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 90649-97-1 |
| Molecular Formula | C9H9ClO4S |
| Molecular Weight | 248.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-5-(ethanesulfonyl)benzoic acid (CAS 90649-97-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H9ClO4S. Molecular weight: 248.68 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H9ClO4S |
| Molecular Weight | 248.68 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-3-methyl-4-(methylsulfonyl)benzoic acid (CAS 106904-09-0)
- 2-(3-Chloro-4-(methylsulfonyl)phenyl)acetic acid (CAS 1265819-83-7)
- 4-Chloro-2-cyclopropyl-6-(4-fluorophenyl)pyrimidine (CAS 1354753-95-9)
- 5-chloro-2-(ethanesulfonyl)benzoic acid (CAS 1384428-08-3)
- Methyl 2-chloro-5-(methylsulfonyl)benzoate (CAS 151104-30-2)
- Methyl 3-chloro-5-(methylsulfonyl)benzoate (CAS 151104-62-0)
- 4-Chloro-2-methyl-5-(methylsulfonyl)-benzoic Acid (CAS 176309-00-5)
- 1-(3-Chloro-4-fluorophenyl)-2-phenylethan-1-one (CAS 845781-19-3)
Recommended Standards
- 2-Chloro-4'-fluoro-5-methyl-[1,1'-biphenyl]-4-carbaldehyde (CAS 2586125-98-4)
- 2-Chloro-N-(3-Fluorophenyl)Benzamidine (CAS 23564-72-9)
- 2-Chloro-3-fluoro-5-methylbenzophenone (CAS 951886-51-4)
- 3-Amino-N-[2-(propylsulfanyl)-1,3-benzothiazol-6-yl]-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 445267-53-8)
- 1,1-difluoro-4-iodo-cyclohexane (CAS 476415-00-6)
- 2-(Diethoxymethyl)thiophene (CAS 13959-97-2)
- N-(4-Ethylphenyl)-N-[(4-methylphenyl)sulfonyl]glycine (CAS 884987-72-8)
- 2-Amino-7-chloroquinazoline (CAS 190274-08-9)
- 3-Methoxy-N-methyl-2-vinylaniline (CAS 210536-36-0)
- Neuropeptide FF (5-8) (CAS 152050-35-6)
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