Freon Mix Back Catalog number: 92377 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0143.18-500-IO 2-Phenyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104353-07-3 Price on request 679885 2,4-Diaminotoluene, 100 µg/ml, Acetonitrile, 5ml Price on request 70348 Crotonaldehyde Price on request