(R)-4-Isopropyl-5,5-diphenyloxazolidin-2-one CAS 191090-32-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 191090-32-1 |
| Molecular Formula | C18H19NO2 |
| Molecular Weight | 281.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(R)-4-Isopropyl-5,5-diphenyloxazolidin-2-one (CAS 191090-32-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H19NO2. Molecular weight: 281.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H19NO2 |
| Molecular Weight | 281.35 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Nitrogen Atoms | 1 |
Related R Standards
- N-Isopropyl-2-(8-methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)acetamide (CAS 872112-97-5)
- N-(2-Isopropyl-6-methylphenyl)-3-phenylpropanamide (CAS 448931-77-9)
- Isopropyl 4-((1H-imidazole-1-carbonyl)oxy)piperidine-1-carboxylate (CAS 1206969-55-2)
- Isopropyl 1-(4-chlorophenyl)-5-oxo-2,5-dihydro-1H-1,2,4-triazole-3-carboxylate (CAS 1000574-54-8)
- N-isopropyl-2-(pyridin-2-yl)-6-(trifluoromethyl)pyrimidin-4-amine (CAS 338418-21-6)
- 2-Isopropyl-5-methylphenyl trifluoromethanesulfonate (CAS 256637-50-0)
- 3-Isopropyl-6-phenylisoxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 1021087-87-5)
- 9-Isopropyl-1,2,3,4,6-pentamethyldibenzo[b,d]furan (CAS 62787-27-3)
Recommended Standards
- tert-butyl N-{[1-(piperidin-3-yl)-1H-1,2,3-triazol-4-yl]methyl}carbamate (CAS 1909326-93-7)
- Bis(2,3-dihydro-1-benzofuran-5-ylmethyl)amine (CAS 1951444-97-5)
- tert-butyl N-[3-hydroxy-2-(4-methoxyphenyl)propyl]carbamate (CAS 1824444-97-4)
- N-(3-isopropoxyphenyl)-2-(1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluorohexyl)benzamide (CAS 680213-73-4)
- (3-Aminobenzofuran-2-yl)(4-methoxyphenyl)methanone (CAS 223788-34-9)
- tert-Butyl cis-3-Hydroxy-4-methylpyrrolidine-1-carboxylate (CAS 1107658-75-2)
- 2-(5-Fluoro-2-methoxyphenyl)pyridine (CAS 1443314-41-7)
- Sialyl Lewis X, Methyl Glycoside (CAS 141612-87-5)
- Sodium Phenylbutyrate (CAS 1716-12-7)
- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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