4-Heptanone Back Catalog number: 72538 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10227.14-100-ME n-Heptyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. NA 1085-12-7 for unlabelled Price on request S-4055-K10-IO Sulfur Calibr. Mix. Dibenzothiophene in Isooctane. Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO Price on request MPN-23 1,4,5-Trichloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request