2-(2-((2-(4,4-Dimethyl-4,5-dihydrooxazol-2-yl)phenyl)selanyl)phenyl)-5,5-dimethyl-4,5-dihydrooxazole CAS 287111-53-9
| CAS No. | 287111-53-9 |
| Molecular Formula | C22H24N2O2Se |
| Molecular Weight | 427.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2-((2-(4,4-Dimethyl-4,5-dihydrooxazol-2-yl)phenyl)selanyl)phenyl)-5,5-dimethyl-4,5-dihydrooxazole (CAS 287111-53-9), molecular formula C22H24N2O2Se and molecular weight 427.40 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(2-((2-(4,4-Dimethyl-4,5-dihydrooxazol-2-yl)phenyl)selanyl)phenyl)-5,5-dimethyl-4,5-dihydrooxazole (C22H24N2O2Se) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 427.40 g/mol, it falls into the moderately-high-molecular-weight range. 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.
CATO manufactures 2-(2-((2-(4,4-Dimethyl-4,5-dihydrooxazol-2-yl)phenyl)selanyl)phenyl)-5,5-dimethyl-4,5-dihydrooxazole 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 | C22H24N2O2Se |
| Molecular Weight | 427.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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.) | 2025 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- Methyl 2-({4-[(1E)-{[(E)-cyclopropanecarbonyloxy]imino}methyl]-1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl}sulfanyl)benzoate (CAS 318238-35-6)
- (2R,3S,4R,5S,6R)-6-(acetoxymethyl)-3-(pent-4-ynamido)tetrahydro-2H-pyran-2,4,5-triyl triacetate (CAS 943621-69-0)
- Cefuroxime-d3 (CAS 1803240-98-3)
- 3-(4-((4-Chlorobenzyl)oxy)phenyl)-5-(chloromethyl)-1,2,4-oxadiazole (CAS 286841-02-9)
- (Z)-Heptadec-9-enoic acid (CAS 1981-50-6)
- 1-(2-Ethoxyphenyl)-5-ethyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1266840-17-8)
- Ivabradine impurity 62 (CAS CATO-C4X-111962)
- 4-Amino-N-(2,4-difluorophenyl)benzamide (CAS 953755-61-8)
- Ethyl 3-(5-(2-nitrophenyl)furan-2-yl)-3-oxopropanoate (CAS 887411-73-6)
- (2-Fluoro-5-(prop-1-yn-1-yl)phenyl)boronic acid (CAS 1309568-14-6)
- 2-(2-Isopropoxyphenyl)quinoline-4-carboxylic acid (CAS 351158-49-1)
- Ethyl 4-[(4-methylphenyl)sulfanyl]-2-phenyl-5-pyrimidinecarboxylate (CAS 477854-52-7)
- Peptide 431 (CAS CATO-CPTD788431)
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