Sodium (E)-2-((1-oxido-7-(phenylamino)-3-sulfonaphthalen-2-yl)diazenyl)benzoate CAS 6369-32-0
| CAS No. | 6369-32-0 |
| Molecular Formula | C23H15N3O6S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Sodium (E)-2-((1-oxido-7-(phenylamino)-3-sulfonaphthalen-2-yl)diazenyl)benzoate is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies Sodium (E)-2-((1-oxido-7-(phenylamino)-3-sulfonaphthalen-2-yl)diazenyl)benzoate (CAS 6369-32-0), a certified reference material (molecular formula C23H15N3O6SNa, MW 484.44 g/mol) for analytical method development and quality control.
Based on its molecular formula C23H15N3O6SNa, Sodium (E)-2-((1-oxido-7-(phenylamino)-3-sulfonaphthalen-2-yl)diazenyl)benzoate 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 484.44 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C23H15N3O6S 2*Na |
| Molecular Weight | 484.44 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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