Caffeine, 100µg/ml in MeOH, 1ml Back Catalog number: 97536 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 675239 Mefenpyr-diethyl, 100 µg/ml, Acetonitrile, 5ml Price on request 675176 2,3,5-Trimethylphenol, 250mg Price on request 2124.12-K-IO Arochlor 1016 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 12674-11-2 Price on request