rel-(4S)-4-(1,1-Dimethylethyl)-2-[(1R)-2′-(diphenylphosphino)[1,1′-biphenyl]-2-yl]-4,5-dihydrooxazole CAS 1869961-76-1
| CAS No. | 1869961-76-1 |
| Molecular Formula | C31H30NOP |
| Molecular Weight | 463.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
rel-(4S)-4-(1,1-Dimethylethyl)-2-[(1R)-2′-(diphenylphosphino)[1,1′-biphenyl]-2-yl]-4,5-dihydrooxazole (CAS 1869961-76-1), molecular formula C31H30NOP and molecular weight 463.55 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, organophosphorus functionality, a hydroxyl group, an ether linkage, rel-(4S)-4-(1,1-Dimethylethyl)-2-[(1R)-2′-(diphenylphosphino)[1,1′-biphenyl]-2-yl]-4,5-dihydrooxazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 463.55 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C31H30NOP |
| Molecular Weight | 463.55 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
Recommended Standards
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- (3-((2-Methylindolin-1-yl)sulfonyl)phenyl)(4-(pyrimidin-2-yl)piperazin-1-yl)methanone (CAS 749868-66-4)
- o-Toluoyl-5-hydroxy Omeprazole Sulfide (CAS 120003-78-3)
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- imidazo[1,2-a]pyrazine-3-carbaldehyde (CAS 106012-58-2)
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- 1-(2-Phenyl-5-thioxopyrrolidin-1-yl)ethanone (CAS 187276-87-5)
- Cyclolinopeptide B (CAS 193139-41-2)
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