Internal Standard Solution, 1.2ml, nonane Back Catalog number: NK-IS-J4 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1107.14-100-TX5 9-Nitroanthracene-d9, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 220381-38-4 Price on request C580002-1MG Clindamycin-d3 Hydrochloride, 1mg Price on request 675423 Streptomycin sulfate, 250mg Price on request