2,5-diamino-N-(2-chlorophenyl)benzenesulfonamide CAS 328028-33-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 328028-33-7 |
| Molecular Formula | C12H12ClN3O2S |
| Molecular Weight | 297.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-diamino-N-(2-chlorophenyl)benzenesulfonamide (CAS 328028-33-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C12H12ClN3O2S. Molecular weight: 297.76 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C12H12ClN3O2S |
| Molecular Weight | 297.76 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 DMSO, DMF, methanol |
| 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 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related diamino Standards
- 3,4-Diamino-N-(2-chlorophenyl)benzenesulfonamide (CAS 326023-07-8)
- 3,4-Diamino-N-(4-chlorophenyl)benzenesulfonamide (CAS 380342-96-1)
- 4-(3,6-diamino-9H-carbazol-9-yl)-4-oxobutanoic acid (CAS CATO-C3D-262425)
- 1,6-Diamino-4-(4-hydroxy-3-methoxyphenyl)-2-oxo-1,2-dihydropyridine-3,5-dicarbonitrile (CAS 354989-31-4)
- 1,2-Diamino-N-(sec-butyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide (CAS 881551-42-4)
- 1,8-Diamino-6-methoxy-3-piperidin-1-yl-2,7-naphthyridine-4-carbonitrile (CAS 380570-19-4)
- 2,6-Diamino-4-(4-isopropylphenyl)-4H-thiopyran-3,5-dicarbonitrile (CAS 303066-28-6)
- 4,6-Diamino-2-((o-tolyloxy)methyl)-2,3-dihydrofuro[2,3-b]pyridine-5-carbonitrile (CAS 343374-98-1)
Recommended Standards
- 4-(3-Chlorophenyl)-5-(ethylsulfonyl)pyrimidin-2-amine (CAS 1707605-71-7)
- 2-Chloro-7-methyl-4-morpholinothieno[3,2-d]pyrimidine-6-carbaldehyde (CAS 955979-02-9)
- 4-(4-Chlorophenyl)-5-(ethylsulfonyl)pyrimidin-2-amine (CAS 1707568-22-6)
- 2-Methylfuran-3-sulfonyl chloride (CAS 60965-56-2)
- 6-Butoxy-9H-purin-2-amine (CAS 8045-27-0)
- 3(2H)-furanone, dihydro-4-(HydroxymethylenE)-2,2-dimethyl- (CAS 142996-71-2)
- Methyl 3-iodo-4-morpholinobenzoate (CAS 1131614-73-7)
- Dapoxetine Impurity 94 (CAS CATO-C4X-143994)
- 2-(2,3-Dihydro-1-benzofuran-7-yl)acetic acid (CAS 152149-94-5)
- Semaglutide impurity 45 (CAS CATO-C4X-222645)
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