(4S,4′S)-2,2′-(1-Ethylpropylidene)bis[4,5-dihydro-4-phenyloxazole] CAS 190791-28-7
| CAS No. | 190791-28-7 |
| Molecular Formula | C23H26N2O2 |
| Molecular Weight | 362.46 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.
(4S,4′S)-2,2′-(1-Ethylpropylidene)bis[4,5-dihydro-4-phenyloxazole] (CAS 190791-28-7) is a high-purity analytical reference standard with the molecular formula C23H26N2O2 and a molecular weight of 362.46 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, (4S,4′S)-2,2′-(1-Ethylpropylidene)bis[4,5-dihydro-4-phenyloxazole] is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 362.46 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), (4S,4′S)-2,2′-(1-Ethylpropylidene)bis[4,5-dihydro-4-phenyloxazole] 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 | C23H26N2O2 |
| Molecular Weight | 362.46 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.) | 2011 |
| Nitrogen Atoms | 2 |
Recommended Standards
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