| CAS No. | 1024179-19-8 |
| Molecular Formula | C20H21N3O2 |
| Molecular Weight | 335.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-(4-((5-Methyl-3-oxocyclohex-1-en-1-yl)amino)phenyl)-3-phenylurea.
CATO supplies 1-(4-((5-Methyl-3-oxocyclohex-1-en-1-yl)amino)phenyl)-3-phenylurea (CAS 1024179-19-8), a certified reference material (molecular formula C20H21N3O2, MW 335.40 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H21N3O2, 1-(4-((5-Methyl-3-oxocyclohex-1-en-1-yl)amino)phenyl)-3-phenylurea contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 335.40 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.
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-((5-Methyl-3-oxocyclohex-1-en-1-yl)amino)phenyl)-3-phenylurea 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.
| Molecular Formula | C20H21N3O2 |
| Molecular Weight | 335.40 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |