2-Methyl-N-(triphenylphosphoranylidene)aniline CAS 35843-74-4
| CAS No. | 35843-74-4 |
| Molecular Formula | C22H21ClN4O3 |
| Molecular Weight | 424.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 2-Methyl-N-(triphenylphosphoranylidene)aniline (CAS 35843-74-4), a certified reference material (molecular formula C22H21ClN4O3, MW 424.88 g/mol) for analytical method development and quality control.
Structurally, 2-Methyl-N-(triphenylphosphoranylidene)aniline (C22H21ClN4O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 424.88 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 2-Methyl-N-(triphenylphosphoranylidene)aniline 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 | C22H21ClN4O3 |
| Molecular Weight | 424.88 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Recommended Standards
- 2-{[(4-chlorophenyl)carbamoyl]amino}-2-phenylethyl 4-methoxybenzoate (CAS 343373-26-2)
- 3-(8-Chloro-1-(2-phenylquinolin-7-yl)imidazo[1,5-a]pyrazin-3-yl)cyclobutanone (CAS 867165-62-6)
- 2-(4-Chlorophenoxy)-N-[4-[6-(4-morpholinyl)-3-pyridazinyl]phenyl]acetamide (CAS 899985-94-5)
- N-(4-chloro-2-methylphenyl)-5-(4-methoxybenzyl)-4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxamide (CAS 477854-46-9)
- N-Methyl-4-(4-piperidyl)benzenesulfonamide (CAS 119737-34-7)
- (3-Iodo-4-methylphenyl)methanol (CAS 165803-89-4)
- 6-Oxa-1-azaspiro[3.3]heptane (CAS 1046153-00-7)
- 2-Iodo-N-methyl-6-nitroaniline (CAS 1369924-88-8)
- 1-Methyl-2-oxabicyclo[2.2.2]Octan-4-amine (CAS 2253629-49-9)
- 5-Amino-1-(2-methylphenyl)-1h-pyrazole-4-carboxylic acid (CAS 14678-91-2)
- Triamcinolone Acetonide Impurity 43 (CAS CATO-C4X-132643)
- (Indenyl)titanium(IV) Trichloride (CAS 84365-55-9)
- 4-Hydroxy-1-methyl-N-(4-methylphenyl)-2,2-dioxo-1,2-dihydro-2lambda~6~,1-benzothiazine-3-carbothioamide (CAS 477860-32-5)
- Copper Peptide ·2 acetate salt (CAS 130120-57-9)
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