Dicyclohexyl-(p-tolyl)-phosphine CAS 19966-99-5
| CAS No. | 19966-99-5 |
| Molecular Formula | C19H29P |
| Molecular Weight | 288.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Dicyclohexyl-(p-tolyl)-phosphine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Dicyclohexyl-(p-tolyl)-phosphine (CAS 19966-99-5) is a high-purity analytical reference standard with the molecular formula C19H29P and a molecular weight of 288.41 g/mol.
Based on its molecular formula C19H29P, Dicyclohexyl-(p-tolyl)-phosphine contains organophosphorus functionality, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 288.41 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C19H29P |
| Molecular Weight | 288.41 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Related Dicyclohexyl Standards
- Dicyclohexyl(2-methylphenyl)phosphine (CAS 173593-25-4)
- Dicyclohexyl Peroxydicarbonate (Technical Grade) (CAS 1561-49-5)
- N,1-Dicyclohexyl-5-oxopyrrolidine-3-carboxamide (CAS 93540-63-7)
- 1,3-Dicyclohexyl-1,3-dinitrosourea (CAS CATO-C3D-262798)
- Dicyclohexyl(2,6-dimethylphenyl)phosphine (CAS 528542-23-6)
- Dicyclohexyl(4-methoxyphenyl)phosphane (CAS 40438-63-9)
- 4,4′-Dicyclohexyl-4,4′,5,5′-tetrahydro-2,2′-bioxazole (CAS 220184-92-9)
- 1,3-Dicyclohexyl-1,3,2-diazaphospholidine 2-oxide (CAS 2647910-00-5)
Recommended Standards
- 6-tert-Butyl-2-{[(2-methylphenyl)methyl]sulfanyl}-3,4-dihydropyrimidin-4-one (CAS 439111-68-9)
- methyl 2-tert-butyl-5-hydroxy-4-methylthieno[2,3-d]pyrimidine-6-carboxylate (CAS 941378-53-6)
- 5-(1-Benzylpiperidin-4-yl)-4-methyl-4H-1,2,4-triazole-3-thiol (CAS 866142-48-5)
- N-(2-(2-Methylthiazol-4-yl)ethyl)thiophene-2-sulfonamide (CAS 863511-57-3)
- N-Methyl-N-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl]propan-2-amine (CAS 934586-46-6)
- 2,3,6,7-Tetrachloro-9H-xanthene (CAS 118516-13-5)
- Cyclohexanone- (CAS 334689-56-4)
- tert-Butyl ((S)-2-amino-3-((R)-tetrahydro-2H-pyran-3-yl)propyl)(methyl)carbamate (CAS 1093869-21-6)
- 2-Amino-pyridine-3,5-dicarboxylic acid hydrochloride (CAS 1172443-67-2)
- Tert-butyl(4-iodophenoxy)dimethylsilane (CAS 133430-99-6)
- tert-Butyl 3-hydrazinylazetidine-1-carboxylate hydrochloride (CAS 1998216-27-5)
- 5-Bromo-2-(pyridin-3-yl)benzo[d]oxazole (CAS 938458-81-2)
- 5-((Benzyloxy)methoxy)-1-(3-bromophenyl)-2-(hydroxymethyl)pyridin-4(1H)-one (CAS 1632286-22-6)
- Semaglutide impurity 257 (CAS CATO-C4X-2226257)
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