2-Aminobenzenesulfonic acid; o-Sulfanilic acid; Orthanilic acid 79326-93-5 AB1009734 CAS 79326-93-5
| CAS No. | 79326-93-5 |
| Molecular Formula | C6H11BrO3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Aminobenzenesulfonic acid; o-Sulfanilic acid; Orthanilic acid 79326-93-5 AB1009734 (CAS 79326-93-5), a certified reference material (molecular formula C6H11BrO3SH2O, MW 261.13 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H11BrO3SH2O, 2-Aminobenzenesulfonic acid; o-Sulfanilic acid; Orthanilic acid 79326-93-5 AB1009734 contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 261.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Aminobenzenesulfonic acid; o-Sulfanilic acid; Orthanilic acid 79326-93-5 AB1009734 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H11BrO3S H2O |
| Molecular Weight | 261.13 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Aminobenzenesulfonic Standards
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- 2-(2-bromo-4-methylphenoxy)propanoic acid (CAS 926252-65-5)
- (4,5-Dimethylthiophen-3-yl)methanamine (CAS 1023815-54-4)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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