1-(2-Morpholino-2-(thiophen-2-yl)ethyl)-3-(m-tolyl)urea CAS 923164-53-8
| CAS No. | 923164-53-8 |
| Molecular Formula | C18H23N3O2S |
| Molecular Weight | 345.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H23N3O2S, 1-(2-Morpholino-2-(thiophen-2-yl)ethyl)-3-(m-tolyl)urea contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 345.46 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.
1-(2-Morpholino-2-(thiophen-2-yl)ethyl)-3-(m-tolyl)urea (CAS 923164-53-8), molecular formula C18H23N3O2S and molecular weight 345.46 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures 1-(2-Morpholino-2-(thiophen-2-yl)ethyl)-3-(m-tolyl)urea under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H23N3O2S |
| Molecular Weight | 345.46 g/mol |
| 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.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Morpholino Standards
- 1-(2-Morpholino-2-(thiophen-3-yl)ethyl)-3-(p-tolyl)urea (CAS 954648-28-3)
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Recommended Standards
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- Pralsetinib（BLU-667） (CAS 2097132-94-8)
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