4-[[2-Methoxy-4-[(4-nitrophenyl)azo]phenyl]azo]phenol CAS 19800-42-1
Purity >95%In StockPharmaceutical Standards
| CAS No. | 19800-42-1 |
| Molecular Formula | C19H15N5O4 |
| Molecular Weight | 377.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-[[2-Methoxy-4-[(4-nitrophenyl)azo]phenyl]azo]phenol (CAS 19800-42-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C19H15N5O4. Molecular weight: 377.35 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C19H15N5O4 |
| Molecular Weight | 377.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 5 |
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