4-(Di-p-tolyl-amino)-benzaldehyde CAS 42906-19-4

Purity 97%+In StockPharmaceutical Standards
CAS No.42906-19-4
Molecular FormulaC21H19NO
Molecular Weight301.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(Di-p-tolyl-amino)-benzaldehyde CAS 42906-19-4 chemical structure

Description

As a certified reference material (CRM), 4-(Di-p-tolyl-amino)-benzaldehyde 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.

4-(Di-p-tolyl-amino)-benzaldehyde (CAS 42906-19-4) is a high-purity analytical reference standard with the molecular formula C21H19NO and a molecular weight of 301.38 g/mol.

Based on its molecular formula C21H19NO, 4-(Di-p-tolyl-amino)-benzaldehyde 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 301.38 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.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

Physical & Chemical Properties

Molecular FormulaC21H19NO
Molecular Weight301.38 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1969
Nitrogen Atoms1

Recommended Standards

Why CATO?