Internal Standard Solution, 1.2ml, nonane Back Catalog number: NK-IS-J4 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 0144.18-500-IO 4-Phenyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104601-39-0 Price on request L17270000CY Terbufos, 10µg/ml in Cyclohexane, 10ml Price on request 72339 1-(2,4-Dichlorophenyl)-3-methylurea Price on request