Internal Standard Solution, 1.2ml, toluene Back Catalog number: EPA-8280IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1631.10-100-ME Cimetidine sulphoxide dihydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 54237-72-8 Price on request 10693.22-K-AN Cannabidiolic acid, 1000µg/ml in Acetonitrile, 1ml Price on request S-4054-0-XYX5 Dibenzothiophene in Xylene 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 S-4054-0-XY S Price on request