2,5-Diaminobenzenesulfonamide CAS 20896-44-0
| CAS No. | 20896-44-0 |
| Molecular Formula | C6H9N3O2S |
| Molecular Weight | 187.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 2,5-Diaminobenzenesulfonamide (CAS 20896-44-0), a certified reference material (molecular formula C6H9N3O2S, MW 187.22 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H9N3O2S, 2,5-Diaminobenzenesulfonamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 187.22 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.
CATO manufactures 2,5-Diaminobenzenesulfonamide 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 | C6H9N3O2S |
| Molecular Weight | 187.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Diaminobenzenesulfonamide Standards
Recommended Standards
- 2-(Thiophen-2-yl)pyrimidine-5-carbonitrile (CAS 926921-77-9)
- 2,6-Dimethylpyridine-3-sulfonic acid (CAS 87655-41-2)
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- 2,6-Dimethylpyridine-4-sulfonic acid (CAS 89776-80-7)
- (R)-2-((tert-Butoxycarbonyl)amino)-3-(thiazol-4-yl)propanoic acid (CAS 134107-69-0)
- 2-(Carboxymethoxy)-5-iodobenzoic acid (CAS 60770-26-5)
- Sodium 5-isopropyl-3,8-dimethylazulene-1-sulfonate hydrate (CAS 116277-75-9)
- Ethyl 2-Isocyanatopropanoate (CAS 13794-28-0)
- 3,6-Difluoro-2-methoxybenzonitrile (CAS 1010413-52-1)
- 2-Formamido-5-methoxypentanoic acid (CAS 1343504-22-2)
- 1-Bromo-2-[(2,2,2-Trifluoroethyl)Sulfanyl]Benzene (CAS 105230-43-1)
- 3-Bromo-5-chloro-2-fluoro-6-iodobenzonitrile (CAS 1160574-20-8)
- Lobaplatin (CAS 135558-11-1)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com