(2-Aminoethyl)diphenylphosphine oxide CAS 33921-17-4
| CAS No. | 33921-17-4 |
| Molecular Formula | C14H16NOP |
| Molecular Weight | 245.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C14H16NOP, (2-Aminoethyl)diphenylphosphine oxide contains a nitrogen-containing heterocyclic scaffold, an amide group, organophosphorus functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 245.26 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).
CATO supplies (2-Aminoethyl)diphenylphosphine oxide (CAS 33921-17-4), a certified reference material (molecular formula C14H16NOP, MW 245.26 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (2-Aminoethyl)diphenylphosphine oxide 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 | C14H16NOP |
| Molecular Weight | 245.26 g/mol |
| 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.) | 1966 |
| Nitrogen Atoms | 1 |
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- n-(2-Aminoethyl)-3-nitrobenzenesulfonamide (CAS 90607-72-0)
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Recommended Standards
- 2-[(2-Nitrophenyl)amino]-3-cyanothiophene (CAS 186792-85-8)
- (4-Amino-[1,1'-biphenyl]-3-yl)dimethylphosphine oxide (CAS 2361962-10-7)
- N-(tert-Butyl)-1-(trifluoromethyl)cyclopropane-1-sulfonamide (CAS 1823329-24-3)
- (R)-2-Amino-3-((1-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)thio)propanoic acid (CAS 67797-19-7)
- Methyltrioctylammonium thiosalicylate, 98% (CAS 1027004-61-0)
- 2-Allyl-4-chloro-5-hydroxypyridazin-3(2H)-one (CAS 64178-63-8)
- 4-Cyano-3-ethyl-5-formylbenzene-1-sulfonyl chloride (CAS 1807283-08-4)
- Famotidine impurity 73 (CAS 899424-17-0)
- H-Met-OiPr (hydrochloride) (CAS 85391-05-5)
- 4-(4-(4-(Trifluoromethyl)phenyl)thiazol-2-yl)benzenesulfonyl chloride (CAS 446883-84-7)
- ethyl 4,6-dichloro-5-fluoro-pyridine-3-carboxylate (CAS 154012-17-6)
- 3,5-Dimethyl-1-pentyl-1h-pyrazol-4-amine (CAS 2587-08-8)
- (1-(Methylamino)-2,3-dihydro-1h-inden-1-yl)methanol (CAS 1184425-05-5)
- Semaglutide Impurity 246 (CAS CATO-C4X-2226246)
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