(S)-1-(1H-Benzo[d]imidazol-6-yl)-5-(4-propoxyphenyl)imidazolidin-2-one CAS 1276021-65-8
| CAS No. | 1276021-65-8 |
| Molecular Formula | C19H20N4O2 |
| Molecular Weight | 336.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(S)-1-(1H-Benzo[d]imidazol-6-yl)-5-(4-propoxyphenyl)imidazolidin-2-one (CAS 1276021-65-8) is a high-purity analytical reference standard with the molecular formula C19H20N4O2 and a molecular weight of 336.39 g/mol.
Based on its molecular formula C19H20N4O2, (S)-1-(1H-Benzo[d]imidazol-6-yl)-5-(4-propoxyphenyl)imidazolidin-2-one 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 336.39 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.
CATO manufactures (S)-1-(1H-Benzo[d]imidazol-6-yl)-5-(4-propoxyphenyl)imidazolidin-2-one 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 | C19H20N4O2 |
| Molecular Weight | 336.39 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.) | 1990 |
| Nitrogen Atoms | 4 |
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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