2-(Diphenylphosphino)-N-methylaniline CAS 140669-65-4
| CAS No. | 140669-65-4 |
| Molecular Formula | C19H18NP |
| Molecular Weight | 291.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C19H18NP, 2-(Diphenylphosphino)-N-methylaniline contains a nitrogen-containing heterocyclic scaffold, a nitrile group, organophosphorus functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 291.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 2-(Diphenylphosphino)-N-methylaniline (CAS 140669-65-4), a certified reference material (molecular formula C19H18NP, MW 291.33 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.
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 | C19H18NP |
| Molecular Weight | 291.33 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 |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 1 |
Related Diphenylphosphino Standards
- 2-(Diphenylphosphino)benzenemethanamine (CAS 177263-77-3)
- 4-(Diphenylphosphino)-N-methylaniline (CAS 61564-24-7)
- (2-(Diphenylphosphino)phenyl)methanol (CAS 81073-06-5)
- 3-(Diphenylphosphino)benzaldehyde (CAS 50777-69-0)
- 4-(Diphenylphosphino)benzaldehyde (CAS 5068-18-8)
- 1-(1-(Diphenylphosphino)-1H-pyrrol-2-yl)ethanone (CAS 358640-82-1)
- 2-(Diphenylphosphino)benzenethiol (CAS 119327-17-2)
- 7-(Diphenylphosphino)heptanenitrile (CAS 181515-34-4)
Recommended Standards
- 4-[[2-(2-Amino-4-thiazolyl)acetyl]amino]-benzeneacetic Acid (CAS 1365244-64-9)
- tert-butyl 3-(2,4-difluorophenyl)-3-hydroxyazetidine-1-carboxylate (CAS 1482460-15-0)
- 4-[4-(4-Nitrophenyl)-2-thiazolyl]morpholine (CAS 125488-18-8)
- 1-(3-Thiomorpholinopyrazin-2-yl)-1H-imidazole-4-carboxylic acid (CAS 1707594-88-4)
- 4',4''',4''''',4'''''''-(ethene-1,1,2,2-tetrayl)tetrakis(([1,1'-biphenyl]-4-amine)) (CAS 2252187-21-4)
- Ethyl 4-chloro-2-(((4-chlorophenyl)thio)methyl)-5-methylthieno[2,3-d]pyrimidine-6-carboxylate (CAS 885459-29-0)
- Methyl 1-(4-fluorophenyl)-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1011398-72-3)
- 3-Phenyl-1-(p-tolylamino)-1H-pyrrole-2,5-dione (CAS 271254-70-7)
- Hydroxythio Acetildenafil (CAS 1159977-47-5)
- cis-Dimethyl cyclopentane-1,3-dicarboxylate (CAS 39590-04-0)
- 4-(5-(((2S,6R)-2,6-dimethylmorpholino)methyl)-1,2,4-oxadiazol-3-yl)benzaldehyde hydrochloride (CAS 1217788-40-3)
- (4-(Difluoromethyl)-6-iodo-2-methylpyridin-3-yl)methanol (CAS 1806864-90-3)
- Levothyroxine Impurity 24 (CAS CATO-C4X-167824)
- [2-31]-Semaglutide C (x TFA Salt) (CAS CATO-C4X-2226118)
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