1,3-Diethyl-1,3-diphenylurea CAS 85-98-3
| CAS No. | 85-98-3 |
| Molecular Formula | C17H32N2O |
| Molecular Weight | 280.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1,3-Diethyl-1,3-diphenylurea.
1,3-Diethyl-1,3-diphenylurea (CAS 85-98-3), molecular formula C17H32N2O and molecular weight 280.45 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H32N2O, 1,3-Diethyl-1,3-diphenylurea contains an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 280.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1,3-Diethyl-1,3-diphenylurea 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 | C17H32N2O |
| Molecular Weight | 280.45 g/mol |
| Appearance | White to pale yellow crystalline powder |
| Purity | >95% |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Diethyl Standards
- Diethyl 2-((benzyloxy)methyl)malonate (CAS 175867-90-0)
- Diethyl 2-(4-Methoxybenzyl)malonate (CAS 6335-37-1)
- Diethyl 4-Ethoxyphenylmalonate (CAS 23197-69-5)
- Diethyl Benzyloxymethylmalonate (CAS 5774-69-6)
- Diethyl (3-((tetrahydro-2H-pyran-2-yl)oxy)propyl)phosphonate (CAS 117144-98-6)
- Diethyl 1-(4-fluorophenyl)cyclopropane-1,2-dicarboxylate (CAS 1707369-44-5)
- Diethyl 7,8-dihydro-5H-pyrano[4,3-d]pyrimidine-2,4-dicarboxylate (CAS 1821223-60-2)
- Diethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2,5-dicarboxylate (CAS 459157-16-5)
Recommended Standards
- 9(E),11(E)-Octadecadienoic acid (CAS 544-71-8)
- Linoleic Acid (CAS 60-33-3)
- 1,3-Diphenoxybenzene (CAS 3379-38-2)
- (9Z,11E)-Octadecadienoic Acid (CAS 2540-56-9)
- 5-Bromo-6-(2,2,2-trifluoroethyl)pyridin-2-amine (CAS 2306270-24-4)
- Cefotaxin oxide (CAS CATO-C4X-12509)
- n-(Tert-butyl)-2-(3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)acetamide (CAS 1210896-54-0)
- 1-[(2,6-dichlorophenyl)methyl]-1h-indole-3-carbaldehyde (CAS 93548-80-2)
- 6-Ethoxy-4-methyl-2-oxo-2H-chromene-3-carboxylic acid (CAS 1216111-99-7)
- 2-(2-(2,5-Dichlorophenyl)hydrazono)malonamide (CAS 69211-05-8)
- 2-{6-chloroimidazo[1,2-a]pyridin-2-yl}acetic acid (CAS 59128-13-1)
- 1-((1-Cyanocyclohexyl)amino)-1-oxopropan-2-yl 4-chloro-2-(thiophene-2-carboxamido)benzoate (CAS 875324-26-8)
- Methyl 3-(4-(tert-butyl)benzamido)-4-methylthiophene-2-carboxylate (CAS 676318-52-8)
- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
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 18665070610 / Nicole.chen@cato-chem.com