(E)-1-(4-Isocyanatophenyl)-2-phenyldiazene CAS 321951-62-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321951-62-6 |
| Molecular Formula | C13H9N3O |
| Molecular Weight | 223.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (E)-1-(4-Isocyanatophenyl)-2-phenyldiazene (CAS 321951-62-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H9N3O. Molecular weight: 223.23 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H9N3O |
| Molecular Weight | 223.23 g/mol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related E Standards
- 1-(4-Isocyanatophenyl)-4-methylpiperazine (CAS 879896-39-6)
- 4-(3-Isocyanatophenyl)-2-methyl-1,3-thiazole (CAS 852180-41-7)
- 4-(4-Isocyanatophenyl)-2-methyl-1,3-thiazole (CAS 857283-94-4)
- 1-(4-Isocyanatophenyl)-3,5-dimethyl-1H-pyrazole (CAS 937796-04-8)
- 4-(4-isocyanatophenyl)morpholine (CAS 884332-72-3)
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- 2-(3-isocyanatophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 787591-43-9)
- 2-(4-isocyanatophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 380430-64-8)
Recommended Standards
- (4-Acetylamino-3-methyl-phenoxy)-acetic acid (CAS 861797-25-3)
- (E)-2-ethoxy-1-methoxy-3-(2-nitrovinyl)benzene (CAS 87790-86-1)
- (3S)-3-Methyl-4-(6-nitro-3-pyridyl)morpholine (CAS 2375165-93-6)
- 4-iso-Propylimino-2-trifluoromethylbutan-2-ol (CAS 430466-01-6)
- 3-Fluoro-5-iodobenzamide (CAS 1261553-85-8)
- 4-Chloro-3-nitrobenzoic Acid (CAS 96-99-1)
- Tert-butyl 3,3-difluoro-1,6-diazaspiro[3.5]Nonane-6-carboxylate (CAS 1935650-12-6)
- Benzyl 3-(2,2-diethoxyethoxy)piperidine-1-carboxylate (CAS 864684-95-7)
- 2,5,6-Trichloro-4-hydroxypyrimidine (CAS 24688-43-5)
- Insulin Degludec Impurity 12 (CAS CATO-C4X-215712)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com