Bis(4-tert-butylphenyl)phosphine oxide CAS 326921-37-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 326921-37-3 |
| Molecular Formula | C20H27OP |
| Molecular Weight | 314.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Bis(4-tert-butylphenyl)phosphine oxide (CAS 326921-37-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C20H27OP. Molecular weight: 314.40 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H27OP |
| Molecular Weight | 314.40 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Recommended Standards
- 7-(Diethylamino)-3-(4-methylthiazol-2-yl)-2H-chromen-2-one (CAS 263563-78-6)
- Bis(phenylsulfonyl)sulfide (CAS 4388-22-1)
- 6-(Tert-butyl)-2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrile (CAS 438532-35-5)
- 2-[(1-Boc-4-piperidyl)methoxy]pyrimidine (CAS 954230-15-0)
- 4-Bromo-5-chlorothiophene-2-carboxylic Acid (CAS 60729-37-5)
- 1-(Thieno[2,3-b]pyridin-5-yl)ethan-1-one (CAS 18354-57-9)
- 2-Chloropropane-1,3-Diol (CAS 497-04-1)
- 1,4-Diamino-7-chloro-2-(2-phenoxyethoxy)anthracene-9,10-dione (CAS 88605-50-9)
- N-[2-[[2-[(Tetrahydro-2H-pyran-4-yl)amino]-5-(trifluoromethyl)-4-pyrimidinyl]amino]phenyl]-2-propenamide (CAS 1788058-89-8)
- Semaglutide Impurity 149 (CAS CATO-C4X-2226149)
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