p-Methoxybenzylidene p-phenylazoaniline CAS 744-66-1
| CAS No. | 744-66-1 |
| Molecular Formula | C20H17N3O |
| Molecular Weight | 315.37 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.
p-Methoxybenzylidene p-phenylazoaniline (CAS 744-66-1), molecular formula C20H17N3O and molecular weight 315.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H17N3O, p-Methoxybenzylidene p-phenylazoaniline contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 315.37 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).
As a certified reference material (CRM), p-Methoxybenzylidene p-phenylazoaniline 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 | C20H17N3O |
| Molecular Weight | 315.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Related p Standards
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Recommended Standards
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- tert-Butyl 4-(4-acetyl-2-aminophenyl)pyrazine-1(4H)-carboxylate (CAS 887595-40-6)
- 41114-59-4 Nysted reagent cyclo-Dibromodi-|I-methylene[|I-(tetrahydrofuran)]trizinc (CAS 41114-59-4)
- 2-(2,6-Difluoro-phenyl)-oxazole (CAS 1222769-27-8)
- Ethyl 5-amino-2-chlorobenzoate hydrochloride (CAS 2138521-35-2)
- Methyl 2-(ethylamino)heptanoate (CAS 1218133-80-2)
- N-(3,4-Dichlorophenyl)-2-((4-ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 577986-10-8)
- O-(4-Fluorobenzyl)hydroxylamine hydrochloride (CAS 51572-89-5)
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- Ethyl 2-(benzo[d]thiazol-6-yl)acetate (CAS 214614-76-3)
- [Methoxy[(4-methylphenyl)imino]methyl](triphenylphosphine)gold (CAS 33637-36-4)
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