4,5-Dichloroaniline-2-sulfonic Acid CAS 6331-96-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6331-96-0 |
| Molecular Formula | C22H16ClN3O2S |
| Molecular Weight | 421.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4,5-Dichloroaniline-2-sulfonic Acid (CAS 6331-96-0) pharmaceutical standards reference standard. Molecular formula: C22H16ClN3O2S. Molecular weight: 421.90 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C22H16ClN3O2S |
| Molecular Weight | 421.90 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dichloroaniline Standards
- 3,4-Dichloroaniline-13C6 3,4-Dichlorobenzenamine-1,2,3,4,5,6-13C6 3,4-Dichlorophenylamine-13C6 4,5-Dichloroaniline-13C6 4-Amino-1,2-dichlorobenzene-13C6 89059-40-5 DCA-13C6 LY 004892-13C6 NSC 247-13C6 m,p-Dichloroaniline-13C6 (CAS 89059-40-5)
- 3,5-Dichloroaniline-2,4,6-d3 (CAS 1219795-03-5)
- 2,5-Dichloroaniline-3,4,6-d3 (CAS 783321-80-2)
- 2,6-Dichloroaniline-3,4,5-d3 (CAS 77435-48-4)
- 3,4-Dichloroaniline-d2 (CAS 1219803-22-1)
- 2,3-dichloroaniline (CAS 27134-27-6)
- 3,4-Dichloroaniline (CAS 95-76-1)
- 2,4-Dichloroaniline (CAS 554-00-7)
Recommended Standards
- W-18 (CAS 93101-02-1)
- 2-{[(2-chloro-6-{[1-methyl-4-(propan-2-yl)-7-oxabicyclo[2.2.1]heptan-2-yl]oxy}phenyl)methyl]carbamoyl}cyclopropane-1-carboxylic acid (CAS 1005270-14-3)
- N'-benzoyl-1-((4-chlorophenyl)sulfonyl)piperidine-4-carbohydrazide (CAS 478030-80-7)
- Ethyl 2-(2-chloro-4-(6-methylpyrazin-2-yl)phenyl)acetate (CAS 1648864-49-6)
- 6-Isopropylspiro[2.5]octan-1-amine (CAS 1342293-01-9)
- 1-(Pyridazin-4-yl)piperidine-4-carboxylic acid (CAS 1428233-17-3)
- 3-Fluoro-5-hydroxybenzoyl chloride (CAS 1260837-91-9)
- 2-Chloro-N-(2-hydroxyethyl)nicotinamide (CAS 1178440-36-2)
- (6-Chloro-5-(trifluoromethyl)pyridin-3-yl)methanamine (CAS 1245915-89-2)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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