Formaldehyde Back Catalog number: 79472 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 63196 2,2',3,3',4,4',5,6'-Octachlorobiphenyl (196) Price on request 8830.6-K-IO Natural dimethylpyrazines (2,5 -and 2,6)-, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 3245.23-K-IO 14-cis-Tricosenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 105305-00-8 Price on request