1,3-Bis(4-aminophenyl)urea CAS 4550-72-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4550-72-5 |
| Molecular Formula | C13H14N4O |
| Molecular Weight | 242.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,3-Bis(4-aminophenyl)urea (CAS 4550-72-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H14N4O. Molecular weight: 242.28 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H14N4O |
| Molecular Weight | 242.28 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 4 |
Related Bis Standards
- 3-(3-Aminophenyl)-1-(pyridin-4-ylmethyl)urea (CAS 1036479-31-8)
- N-(2-aminophenyl)-4-methoxybenzamide (CAS 103517-57-3)
- 3-((4-Aminophenyl)amino)-4-hydroxytetrahydrothiophene 1,1-dioxide (CAS 1245570-13-1)
- 2-(2-aminophenyl)-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione (CAS 478046-16-1)
- 4-Aminophenyl benzylcarbamate (CAS 59257-16-8)
- Benzyl (4-aminophenyl)carbamate (CAS 82720-42-1)
- Ethyl ((4-aminophenyl)(methyl)(oxo)-lambda6-sulfanylidene)carbamate (CAS 851008-66-7)
- Ethyl 3-(3-aminophenyl)isonicotinate (CAS 252921-31-6)
Recommended Standards
- 1,2,3,4,10,12-Hexahydroimidazo[2,1-b]pyrido[2,3-f]quinazolin-9(7H)-one (CAS 91599-59-6)
- 1,3-Bis(4-methylpyridin-2-yl)urea (CAS 92023-86-4)
- 1-(1h-Benzo[d]imidazol-2-yl)-3-propyl-1h-pyrazol-5-ol (CAS 890593-64-3)
- 9,10-Diphenyl-9,10-dihydroacridine (CAS 95888-29-2)
- N-(4-Bromo-3-(trifluoromethyl)phenyl)acetamide (CAS 41513-05-7)
- O-(Adamantan-1-yl)hydroxylamine (CAS 55930-71-7)
- N-Ethyl-N-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)ethanamine (CAS 2377606-38-5)
- (R)-tert-Butyl 6-(hydroxymethyl)-5-azaspiro[2.4]heptane-5-carboxylate (CAS 2227198-42-5)
- 6-Amino-3H-indazol-3-one (CAS 707534-98-3)
- Tirzepatide Impurity 57 (CAS CATO-C4X-324057)
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