((2S,3S)-4-(tert-butoxy)-3-(tert-butyl)-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl )di-tert-butylphosphineoxide CAS 2374143-33-4
| CAS No. | 2374143-33-4 |
| Molecular Formula | C23H40O3P2 |
| Molecular Weight | 426.51 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.
((2S,3S)-4-(tert-butoxy)-3-(tert-butyl)-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl )di-tert-butylphosphineoxide (CAS 2374143-33-4) is a high-purity analytical reference standard with the molecular formula C23H40O3P2 and a molecular weight of 426.51 g/mol.
Based on its molecular formula C23H40O3P2, ((2S,3S)-4-(tert-butoxy)-3-(tert-butyl)-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl )di-tert-butylphosphineoxide contains a steroid core, a phosphonate group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 426.51 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), ((2S,3S)-4-(tert-butoxy)-3-(tert-butyl)-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl )di-tert-butylphosphineoxide 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 | C23H40O3P2 |
| Molecular Weight | 426.51 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
Recommended Standards
- ((2R,3R)-4-(tert-butoxy)-3-(tert-butyl)-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl)di-tert-butylphosphine oxide (CAS 2545293-86-3)
- (3S,4S)-tert-butyl 3-(benzyl(benzyloxycarbonyl)amino)-4-hydroxypyrrolidine-1-carboxylate (CAS 708273-38-5)
- Dibenzo[h,s]peropyrene (CAS 191-53-7)
- (9H-fluoren-9-yl)methyl tert-butyl (4-hydroxybutane-1,3-diyl)(S)-dicarbamate (CAS 915714-21-5)
- Methyl 2-(1-methyl-1H-imidazol-5-yl)acetate (CAS 4200-49-1)
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