CAS Registry Number

CAS 437-81-0 — 2,6-Difluorobenzaldehyde

2,6-Difluorobenzaldehyde is an aromatic aldehyde with two fluorine atoms at the 2 and 6 positions, widely used in pharmaceutical synthesis, agrochemicals, and organic electronics as a key intermediate for fluorinated compounds. This reagent is a white to off-white crystalline solid with a distinct aldehyde odor. It has a CAS number of 437-81-0, a molecular formula of C7H4F2O, and a molecular weight of 142.1029 g/mol. It is stable under ambient storage conditions and poses no acute hazard, requiring no signal word classification. Molekula supplies 2,6-Difluorobenzaldehyde from research to bulk quantities with full documentation and ISO 9001:2015 traceability.