2-[1-(tert-Butoxycarbonyl)-4-(3-fluorophenyl)piperidin-4-yl]acetic acid CAS 644982-65-0

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.

2-[1-(tert-Butoxycarbonyl)-4-(3-fluorophenyl)piperidin-4-yl]acetic acid (CAS 644982-65-0), molecular formula C18H24FNO4 and molecular weight 337.39 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, 2-[1-(tert-Butoxycarbonyl)-4-(3-fluorophenyl)piperidin-4-yl]acetic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 337.39 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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