1-[(1R,2S)-1-(Di-o-tolylphosphinooxy)-1-phenylpropan-2-yl]-3-phenylurea CAS 1391410-56-2
| CAS No. | 1391410-56-2 |
| Molecular Formula | C30H31N2O2P |
| Molecular Weight | 482.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 482.55 g/mol gives 1-[(1R,2S)-1-(Di-o-tolylphosphinooxy)-1-phenylpropan-2-yl]-3-phenylurea distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-[(1R,2S)-1-(Di-o-tolylphosphinooxy)-1-phenylpropan-2-yl]-3-phenylurea (CAS 1391410-56-2), molecular formula C30H31N2O2P and molecular weight 482.55 g/mol, is a CATO reference standard with documented purity and traceability.
1-[(1R,2S)-1-(Di-o-tolylphosphinooxy)-1-phenylpropan-2-yl]-3-phenylurea (C30H31N2O2P) contains a steroid core, an amide group, organophosphorus functionality, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C30H31N2O2P |
| Molecular Weight | 482.55 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 16.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Recommended Standards
- (R)-(2'-Ethyl-[1,1'-binaphthalen]-2-yl)diphenylphosphine oxide (CAS 137769-29-0)
- 6-(((4-((1H-Indol-1-yl)sulfonyl)phenyl)(prop-2-yn-1-yl)amino)methyl)-2-methylquinazolin-4(3H)-one (CAS 152503-91-8)
- 9-Fluoro-11β,17-dihydroxy-16α,21-bis(methoxymethoxy)-pregna-1,4-diene-3,20-dione (CAS 2822-16-4)
- N-(6-Amino-1-(4-fluorophenyl)-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-3,5-dibutyl-4-hydroxybenzamide (CAS 176370-45-9)
- (S)-2-(2-Formyl-1H-pyrrol-1-yl)propanoic acid (CAS 145041-24-3)
- 6-Bromo-4-oxo-3,4-dihydro-2H-benzo[e][1,3]oxazine-2-carboxylic acid (CAS 30482-74-7)
- Fmoc-3-methoxy-D-phenlyalanine (CAS 917099-04-8)
- Acridine-2-carboxylic acid (CAS 54328-73-3)
- 2-(tert-Butyl) 4-ethyl 5-amino-3-methylthiophene-2,4-dicarboxylate (CAS 257610-86-9)
- trans-Bis(tri-n-butylphosphine)nickel(II) bromide (CAS 73543-91-6)
- 3-Bromo-2-chloro-6-fluoropyridine (CAS 1211578-75-4)
- N-(4-(Dimethylamino)benzylidene)thiophene-2-sulfonamide (CAS 308293-20-1)
- Trinonylamine (CAS 2044-22-6)
- Anti-Inflammatory Peptide 2 (CAS 118850-72-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com