1-(4-Aminophenyl)-3-(4-methoxyphenyl)urea CAS 50906-32-6
| CAS No. | 50906-32-6 |
| Molecular Formula | C14H15N3O2 |
| Molecular Weight | 257.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 257.29 g/mol gives 1-(4-Aminophenyl)-3-(4-methoxyphenyl)urea distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1-(4-Aminophenyl)-3-(4-methoxyphenyl)urea (CAS 50906-32-6), a certified reference material (molecular formula C14H15N3O2, MW 257.29 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, 1-(4-Aminophenyl)-3-(4-methoxyphenyl)urea is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 257.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(4-Aminophenyl)-3-(4-methoxyphenyl)urea meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C14H15N3O2 |
| Molecular Weight | 257.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 3 |
Related Aminophenyl Standards
- (3-Aminophenyl)(3,4-dimethoxyphenyl)methanone (CAS 99642-17-8)
- (4-Aminophenyl)(3,4-dimethoxyphenyl)methanone (CAS 71969-32-9)
- n-(3-Aminophenyl)morpholine-4-sulfonamide (CAS 1042656-03-0)
- Methyl 2-((3-aminophenyl)sulfonyl)-2-methylpropanoate (CAS 1443288-62-7)
- 4-(5-(4-Aminophenyl)furan-2-yl)thiazol-2-amine (CAS 886494-48-0)
- N-(2-Aminophenyl)-4-nitrobenzamide (CAS 6338-73-4)
- 1-(3-Aminophenyl)-N-(2-(dimethylamino)ethyl)methanesulfonamide (CAS 1094797-87-1)
- (2E)-1-(4-Aminophenyl)-3-(2-chlorophenyl)prop-2-en-1-one (CAS 952578-22-2)
Recommended Standards
- 1-(4,6-Dimethylpyrimidin-2-yl)-3-(4-hydroxyphenyl)guanidine (CAS 332074-04-1)
- 1-(Quinazolin-4-yl)piperidine-4-carboxylic acid (CAS 685862-10-6)
- 1-(4,6-Dimethylpyrimidin-2-yl)-3-(2-hydroxyphenyl)guanidine (CAS 354993-68-3)
- 1-(Quinoxalin-2-yl)piperidine-3-carboxylic acid (CAS 941923-87-1)
- (2,5-Dimethylphenyl)(oxazol-2-yl)methanone (CAS 898784-46-8)
- Phorbol-12-Decanoate (CAS 76423-68-2)
- 2-(Dimethylamino)-2-(p-tolyl)-acetonitrile hydrochloride (CAS 1440535-64-7)
- 8-Iodo-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 939759-07-6)
- 5-((4-Chlorophenyl)sulfonyl)-2-(propylthio)thiazol-4-amine (CAS 494763-20-1)
- (Ser4,Ile8)-Oxytocin (CAS 550-21-0)
- 3-(Difluoromethyl)-4-nitro-6-(trifluoromethyl)pyridin-2-amine (CAS 1805218-33-0)
- 5-Benzylhexahydro-1H-furo[3,4-c]pyrrole (CAS 60889-30-7)
- 4-(3-(2,3-Dichlorobenzoyl)-1H-pyrrolo[2,3-b]pyridin-4-yl)benzamide (CAS 858118-97-5)
- Tirzepatide Impurity 10 (CAS CATO-C4X-324010)
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