Formaldehyde Back Catalog number: 97051 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9880.16-50-IO 1,5-Dimethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66271-87-2 Price on request MDF-123678 1,2,3,6,7,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request NK-ST-B2 Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request