Oxazole, 2,2′-[(4,6-dimethyl-1,3-phenylene)bis(methylene)]bis[4,5-dihydro-4-phenyl-, (4S,4′S)- CAS 351526-26-6
| CAS No. | 351526-26-6 |
| Molecular Formula | C28H28N2O2 |
| Molecular Weight | 424.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Oxazole, 2,2′-[(4,6-dimethyl-1,3-phenylene)bis(methylene)]bis[4,5-dihydro-4-phenyl-, (4S,4′S)- (CAS 351526-26-6), molecular formula C28H28N2O2 and molecular weight 424.53 g/mol, is a CATO reference standard with documented purity and traceability.
Oxazole, 2,2′-[(4,6-dimethyl-1,3-phenylene)bis(methylene)]bis[4,5-dihydro-4-phenyl-, (4S,4′S)- (C28H28N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), Oxazole, 2,2′-[(4,6-dimethyl-1,3-phenylene)bis(methylene)]bis[4,5-dihydro-4-phenyl-, (4S,4′S)- 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 | C28H28N2O2 |
| Molecular Weight | 424.53 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Oxazole Standards
- Oxazole, 2,2′-methylenebis[4-[4-(1,1-dimethylethyl)phenyl]-4,5-dihydro-, (4R,4′R)- (CAS 866540-34-3)
- Oxazole, 2,2′-[(1S)-6,6′-dimethyl[1,1′-biphenyl]-2,2′-diyl]bis[4-(1,1-dimethylethyl)-4,5-dihydro-, (4S,4′S)- (CAS 173143-88-9)
- Oxazole, 2,2′-[(1R)-6,6′-dimethyl[1,1′-biphenyl]-2,2′-diyl]bis[4-(1,1-dimethylethyl)-4,5-dihydro-, (4S,4′S)- (CAS 302342-91-2)
- Oxazole, 2,2′-(4,5-dichloro-1,2-phenylene)bis[4,5-dihydro-4-phenyl-, (4R,4′R)- (CAS 338462-40-1)
- Oxazole, 2,2′-[1,1′-biphenyl]-2,2′-diylbis[4-(ethoxymethyl)-4,5-dihydro-, (4R,4′R)- (CAS 890933-66-1)
- Oxazole, 2,2′-[(1R)-6,6′-dimethyl[1,1′-biphenyl]-2,2′-diyl]bis[4,5-dihydro-4-(1-methylethyl)-, (4S,4′S)- (CAS 209072-61-7)
- Oxazole, 2,2′-[(1S)-6,6′-dimethyl[1,1′-biphenyl]-2,2′-diyl]bis[4,5-dihydro-4-(1-methylethyl)-, (4S,4′S)- (CAS 209003-59-8)
- Oxazole, 2,2′-[(1R,3S)-1,2,2-trimethyl-1,3-cyclopentanediyl]bis[4,5-dihydro-4-phenyl-, (4R,4′R)- (CAS 906653-75-6)
Recommended Standards
- N-(1-((4-Methoxyphenyl)sulfonyl)-1,2,3,4-tetrahydroquinolin-6-yl)propane-2-sulfonamide (CAS 941900-33-0)
- Pravastatin (CAS 81093-37-0)
- m-PEG7-Boc (CAS 874208-90-9)
- Trans-cyclohexane-1,2-diyl bis(4-methylbenzenesulfonate) (CAS 5433-21-6)
- 3-Butoxy-5-fluoro-4-methylbenzoic acid (CAS 1429903-47-8)
- [1,3]Dioxolo[4,5-e]benzofuran (CAS 65496-53-9)
- 2-amino-1-{pyrrolo[2,1-f][1,2,4]triazin-7-yl}ethan-1-ol (CAS 1554478-66-8)
- 3-Methyl-6-(pyridin-4-yl)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 521969-43-7)
- 6-Hydroxy-5-methyl-2-(2-(methylamino)ethyl)pyrimidin-4(3h)-one (CAS 1339379-07-5)
- 2-{[(4-chlorophenyl)methyl]sulfanyl}-4-methyl-5H,6H,7H-cyclopenta[d]pyrimidine (CAS 477852-02-1)
- 6-Cyclobutyl-2-mercaptopyrimidin-4-ol (CAS 874516-64-0)
- Methyl 2-aminopentanoate hydrochloride (CAS 10047-10-6)
- 5,5',5''-(((Benzene-1,3,5-triyltris(ethyne-2,1-diyl))tris(benzene-4,1-diyl))tris(ethyne-2,1-diyl))triisophthalic acid (CAS 1253587-77-7)
- Insulin Degludec Impurity 2 (CAS CATO-C4X-21572)
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