5-(3-Carboxy-4-chlorobenzenesulfonamido)-2-hydroxybenzoic acid CAS 518053-68-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 518053-68-4 |
| Molecular Formula | C14H10ClNO7S |
| Molecular Weight | 371.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(3-Carboxy-4-chlorobenzenesulfonamido)-2-hydroxybenzoic acid (CAS 518053-68-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H10ClNO7S. Molecular weight: 371.75 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H10ClNO7S |
| Molecular Weight | 371.75 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-Formyl-2-methoxyphenyl 4-chloro-3-nitrobenzene-1-sulfonate (CAS 380426-69-7)
- Methyl 3-[(4-chlorobenzenesulfonyl)oxy]-4-nitrobenzoate (CAS 297149-80-5)
- 4-{2-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]hydrazono}-4-phenylbutanoic acid (CAS 338397-43-6)
- Methyl 5-chloro-2-ethynylbenzoate (CAS 942273-26-9)
- 4-(2-Bromoethyl)piperidine Hydrobromide (CAS 69712-10-3)
- 3-Amino-N-(prop-2-yn-1-yl)pyrazine-2-carboxamide (CAS 1197682-08-8)
- Flunarizine impurity 47 (CAS 2602342-57-2)
- 2,2,2-Trifluoro-1-(4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazin-1-yl)ethan-1-one (CAS 1218791-39-9)
- Triphenyl(pyridin-2-ylmethyl)phosphonium (CAS 71897-61-5)
- Semaglutide Impurity 157 (x TFA Salt) (CAS CATO-C4X-2226157)
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