4-(Chlorosulfonyl)-2-hydroxybenzoic acid CAS 98273-15-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 98273-15-5 |
| Molecular Formula | C7H5ClO5S |
| Molecular Weight | 236.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Chlorosulfonyl)-2-hydroxybenzoic acid (CAS 98273-15-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H5ClO5S. Molecular weight: 236.63 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H5ClO5S |
| Molecular Weight | 236.63 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, water |
| 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.) | 1985 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorosulfonyl Standards
- 3-(Chlorosulfonyl)-4-hydroxybenzoic acid (CAS 77719-02-9)
- Ethyl 3-(chlorosulfonyl)-2,2-difluoropropanoate (CAS 1602961-92-1)
- Methyl 5-(chlorosulfonyl)picolinate (CAS 1063733-25-4)
- Methyl 2-(chlorosulfonyl)nicotinate (CAS 112006-52-7)
- Methyl 6-(chlorosulfonyl)picolinate (CAS 1314922-50-3)
- Methyl 3-(Chlorosulfonyl)isonicotinate (CAS 90488-92-9)
- 4-(Chlorosulfonyl)-1-ethyl-1h-pyrrole-2-carboxylic acid (CAS 1423031-53-1)
- Methyl 4-(chlorosulfonyl)-1-methyl-1h-pyrrole-2-carboxylate (CAS 69812-32-4)
Recommended Standards
- 3-Chloro-4-nitrobenzenesulfonamide (CAS 93745-74-5)
- 4-Amino-3-nitrobenzene-1-sulfonyl chloride (CAS 84202-56-2)
- 4-Chloro-3-nitrobenzenesulfonamide (CAS 97-09-6)
- 5-(4-Iodophenyl)oxazole (CAS 1206169-98-3)
- Tetrahydro-2H-thiopyran-3-amine hydrochloride (CAS 1803609-59-7)
- 4-((4-Heptylphenyl)ethynyl)benzonitrile (CAS 61614-41-3)
- 5',5"-Bis(4-hydroxyphenyl)-2',2",4',4",6',6"-hexamethyl-[1,1':3',1":3",1"'-quaterphenyl]-4,4"'-diol (CAS 868046-54-2)
- Venetoclax Impurity 119 (CAS CATO-C4X-2495119)
- 1-(4-Bromobenzyl)-3-hydroxyazetidine (CAS 1054483-33-8)
- Semaglutide impurity 69 (CAS CATO-C4X-222669)
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