4,4'-(Diazene-1,2-diyl)dibenzenesulfonic acid CAS 2779-21-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2779-21-7 |
| Molecular Formula | C12H10N2O6S2 |
| Molecular Weight | 342.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-(Diazene-1,2-diyl)dibenzenesulfonic acid (CAS 2779-21-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H10N2O6S2. Molecular weight: 342.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H10N2O6S2 |
| Molecular Weight | 342.35 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- 4-Bromo-N-{[4-methyl-5-(methylsulfanyl)-4H-1,2,4-triazol-3-yl]methyl}benzene-1-sulfonamide (CAS 338421-58-2)
- 2',2'-Difluoro-8-azaspiro[bicyclo[3.2.1]Octane-3,1'-cyclopropane] (CAS 2044713-88-2)
- Morin dihydrate (CAS 6472-38-4)
- 3-HYDROXY-6-NITROISOBENZOFURAN-1(3H)-ONE (CAS 77619-93-3)
- 3-(1,3,6-Trimethyl-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-5-yl)propanoic acid (CAS 1170439-70-9)
- Liraglutide Impurity 30 (CAS CATO-C4X-199230)
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