| CAS No. | 1052-38-6 |
| Molecular Formula | C18H18N8 |
| Molecular Weight | 346.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 346.39 g/mol gives 4,4'-(1,3-Phenylenebis(diazene-2,1-diyl))bis(benzene-1,3-diamine) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4,4'-(1,3-Phenylenebis(diazene-2,1-diyl))bis(benzene-1,3-diamine) (CAS 1052-38-6), a certified reference material (molecular formula C18H18N8, MW 346.39 g/mol) for analytical method development and quality control.
4,4'-(1,3-Phenylenebis(diazene-2,1-diyl))bis(benzene-1,3-diamine) (C18H18N8) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
| Molecular Formula | C18H18N8 |
| Molecular Weight | 346.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 8 |