4-Amino-2,5-dichlorobenzenesulfonamide CAS 42480-70-6
| CAS No. | 42480-70-6 |
| Molecular Formula | C6H6Cl2N2O2S |
| Molecular Weight | 241.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Amino-2,5-dichlorobenzenesulfonamide (CAS 42480-70-6), a certified reference material (molecular formula C6H6Cl2N2O2S, MW 241.10 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H6Cl2N2O2S, 4-Amino-2,5-dichlorobenzenesulfonamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 241.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 4-Amino-2,5-dichlorobenzenesulfonamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H6Cl2N2O2S |
| Molecular Weight | 241.10 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 4-Amino-2,6-dichlorobenzene-1-sulfonamide (CAS 172514-47-5)
- 5-Amino-2,4-dichlorobenzene-1-sulfonamide (CAS 4818-77-3)
- 4-amino-3,5-dichlorobenzenesulfonamide (CAS 22134-75-4)
- 7-Amino-6-bromo-1,2,3,4-tetrahydroquinolin-2-one (CAS 1232685-09-4)
- 7-Amino-4-bromo-2-methyl-2,3-dihydro-isoindol-1-one (CAS 1257996-53-4)
- 3-Amino-6-bromo-3,4-dihydroquinolin-2(1H)-one (CAS 127920-64-3)
- 5-Amino-6-bromo-2,3-dihydro-1h-isoindole-2-carbaldehyde (CAS 1306604-50-1)
- 2-Amino-7-bromo-3,4-dihydroisoquinolin-1(2H)-one (CAS 2068151-21-1)
Recommended Standards
- 4,6-Dichloro-5-methyl-2-(methylsulfonyl)pyrimidine (CAS 98814-28-9)
- 4,6-Dichloro-2-(methanesulfonylmethyl)pyrimidine (CAS 944058-99-5)
- 5-Bromobenzo[b]thiophene-2-carbaldehyde (CAS 7312-18-7)
- 3-Bromo-7-fluoro-2,4,5,6-tetrahydro-1H-cyclobuta[f]indene (CAS 2676867-20-0)
- 2-Methyl-5-[(methylamino)methyl]pyridine (CAS 120740-02-5)
- Butachlor ESA sodium salt (CAS 1173022-75-7)
- 2-(2-Chlorophenyl)-8-methylquinoline-4-carbonyl chloride (CAS 1160254-31-8)
- DL-4-Hydroxyphenyl-d4-alanine-2,3,3-d3 (CAS 402835-78-3)
- 4-Iodo-6-(trifluoromethyl)nicotinic acid (CAS 1803792-47-3)
- 4-(4-Fluorophenyl)piperidin-4-amine dihydrochloride (CAS 1779126-13-4)
- 5-bromo-2-chloro-7-methyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 1638763-37-7)
- 1,8-Bis((2-ethylhexyl)amino)anthracene-9,10-dione (CAS 825190-77-0)
- n-Methyl-2-(propan-2-yl)-1,3-benzoxazol-5-amine dihydrochloride (CAS 1432681-36-1)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
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 18665070610 / Nicole.chen@cato-chem.com