| CAS No. | 89784-93-0 |
| Molecular Formula | C20H17N4O5S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 448.43 g/mol gives 4-[2-[3-[2-(2,3-Dimethylphenyl)diazenyl]-2,4-dihydroxyphenyl]diazenyl]-benzenesulfonic Acid Sodium Salt distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-[2-[3-[2-(2,3-Dimethylphenyl)diazenyl]-2,4-dihydroxyphenyl]diazenyl]-benzenesulfonic Acid Sodium Salt (CAS 89784-93-0) is a high-purity analytical reference standard with the molecular formula C20H17N4O5SNa and a molecular weight of 448.43 g/mol.
Based on its molecular formula C20H17N4O5SNa, 4-[2-[3-[2-(2,3-Dimethylphenyl)diazenyl]-2,4-dihydroxyphenyl]diazenyl]-benzenesulfonic Acid Sodium Salt contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 448.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-[2-[3-[2-(2,3-Dimethylphenyl)diazenyl]-2,4-dihydroxyphenyl]diazenyl]-benzenesulfonic Acid Sodium Salt 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.
| Molecular Formula | C20H17N4O5S Na |
| Molecular Weight | 448.43 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 |
| Degree of Unsaturation (DBE) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |