2-benzenesulfonamido-5-chlorobenzoic acid CAS 138964-58-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138964-58-6 |
| Molecular Formula | C13H10ClNO4S |
| Molecular Weight | 311.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-benzenesulfonamido-5-chlorobenzoic acid (CAS 138964-58-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C13H10ClNO4S. Molecular weight: 311.74 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C13H10ClNO4S |
| Molecular Weight | 311.74 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related benzenesulfonamido Standards
- 2-benzenesulfonamido-4-chlorobenzoic acid (CAS 158580-85-9)
- 2-Benzenesulfonamido-4-methanesulfonylbutanoic acid (CAS 497141-51-2)
- 3-Benzenesulfonamido-3-[4-(propan-2-yl)phenyl]propanoic acid (CAS 861207-56-9)
- 2-Benzenesulfonamido-4-methylpentanoic acid (CAS 1374962-72-7)
- 2-Benzenesulfonamido-3-methylbutanoic acid (CAS 85849-94-1)
- 2-Benzenesulfonamido-2-methylpropanimidamide (CAS 1342383-97-4)
Recommended Standards
- 1365962-82-8 2-Chloro-N-[4-(4-nitrophenyl)-1,3-thiazol-2-yl]propanamide MFCD22056586 (CAS 1365962-82-8)
- 4-(Benzyloxy)-6-formylpyridine-2-sulfonyl chloride (CAS 1393558-85-4)
- 2-Chloro-4-[(phenylsulfonyl)amino]benzoic acid (CAS 1269090-87-0)
- 2-(2-Hydroxycyclohexyl)acetic acid (CAS 69198-05-6)
- Geranylgeranyl Phenyl Sulfide (CAS 57804-27-0)
- 3-Chloro-2,4-dibromo-6-fluoroiodobenzene (CAS 1000573-51-2)
- 5α-Pregnan-3β,20α-diol 3-sulfate-D4 (as potassium salt) (CAS CATO-C4X-24432)
- 2-((3-Cyano-4,6-diphenylpyridin-2-yl)thio)-N-phenylacetamide (CAS 332040-65-0)
- 6-cyclopropyl-3-nitro-pyridin-2-amine (CAS 1552286-03-9)
- Semaglutide impurity 50 (CAS 2773558-66-8)
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