(2R,3R)-3-(tert-Butyl)-2-isopropyl-4-(2-methoxyphenyl)-2,3-dihydrobenzo[d][1,3]oxaphosphole CAS 2565792-63-2
| CAS No. | 2565792-63-2 |
| Molecular Formula | C21H27O2P |
| Molecular Weight | 342.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (2R,3R)-3-(tert-Butyl)-2-isopropyl-4-(2-methoxyphenyl)-2,3-dihydrobenzo[d][1,3]oxaphosphole (C21H27O2P) contains a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.5, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 342.41 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
(2R,3R)-3-(tert-Butyl)-2-isopropyl-4-(2-methoxyphenyl)-2,3-dihydrobenzo[d][1,3]oxaphosphole (CAS 2565792-63-2), molecular formula C21H27O2P and molecular weight 342.41 g/mol, is a CATO reference standard with documented purity and traceability.
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 (2R,3R)-3-(tert-Butyl)-2-isopropyl-4-(2-methoxyphenyl)-2,3-dihydrobenzo[d][1,3]oxaphosphole 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 | C21H27O2P |
| Molecular Weight | 342.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
Recommended Standards
- (1-Methyl-3-phenyl-5-tosyl-1H-pyrazol-4-yl)methanol (CAS 318234-00-3)
- (2S,3S)-3-(tert-Butyl)-2-isopropyl-4-(2-methoxyphenyl)-2,3-dihydrobenzo[d][1,3]oxaphosphole (CAS 2565792-33-6)
- Cyclanoline (CAS 18556-27-9)
- 1-[4-(2-Fluorophenyl)-1,3-thiazol-2-yl]-4-(thiophen-3-yl)-1H-pyrazol-5-amine (CAS 955967-08-5)
- 2-Nitro-N-(4-phenylbutyl)benzenesulfonamide (CAS 573995-35-4)
- N-(4-Chlorophenyl)-2-((4-ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618412-96-7)
- n-(6-Ethoxybenzo[d]thiazol-2-yl)thiophene-2-carboxamide (CAS 313496-67-2)
- (S)-3-Hydroxy-1-((S)-4-isopropyl-2-thioxothiazolidin-3-yl)decan-1-one (CAS 1370634-73-3)
- Efinaconazole Impurity 6 (CAS CATO-C4X-12436)
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- octahydroindolizin-7-ol (CAS 90204-25-4)
- (1h-Indazol-4-yl)boronic acid hydrochloride (CAS 1252598-02-9)
- D-Pro36-Tirzepatide (CAS CATO-CPTD788903)
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