4-Fluoro-2-(p-tolylethynyl)benzaldehyde CAS 1322091-22-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1322091-22-4
Molecular FormulaC16H11FO
Molecular Weight238.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Fluoro-2-(p-tolylethynyl)benzaldehyde CAS 1322091-22-4 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Fluoro-2-(p-tolylethynyl)benzaldehyde.

4-Fluoro-2-(p-tolylethynyl)benzaldehyde (CAS 1322091-22-4), molecular formula C16H11FO and molecular weight 238.26 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4-Fluoro-2-(p-tolylethynyl)benzaldehyde (C16H11FO) contains a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 238.26 g/mol, it falls into the medium-molecular-weight range. 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.

As a certified reference material (CRM), 4-Fluoro-2-(p-tolylethynyl)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.

Physical & Chemical Properties

Molecular FormulaC16H11FO
Molecular Weight238.26 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Halogen ContentF-containing

Related Fluoro Standards

Recommended Standards

Why CATO?