1,2-difluoro-3-(isocyano(tosyl)methyl)benzene 660431-67-4 ?-Tosyl-(2,3-difluorobenzyl)isocyanide A8930 CAS 660431-67-4

Purity 97%+In StockPharmaceutical Standards
CAS No.660431-67-4
Molecular FormulaC15H11F2NO2S
Molecular Weight307.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,2-difluoro-3-(isocyano(tosyl)methyl)benzene 660431-67-4 ?-Tosyl-(2,3-difluorobenzyl)isocyanide A8930 CAS 660431-67-4 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 1,2-difluoro-3-(isocyano(tosyl)methyl)benzene 660431-67-4 ?-Tosyl-(2,3-difluorobenzyl)isocyanide A8930 (CAS 660431-67-4), a certified reference material (molecular formula C15H11F2NO2S, MW 307.32 g/mol) for analytical method development and quality control.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution, 1,2-difluoro-3-(isocyano(tosyl)methyl)benzene 660431-67-4 ?-Tosyl-(2,3-difluorobenzyl)isocyanide A8930 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 307.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), 1,2-difluoro-3-(isocyano(tosyl)methyl)benzene 660431-67-4 ?-Tosyl-(2,3-difluorobenzyl)isocyanide A8930 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 FormulaC15H11F2NO2S
Molecular Weight307.32 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Halogen ContentF-containing
Nitrogen Atoms1
Sulfur Atoms1

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