2,3-Dichlorobiphenylene, 1.2ml x 50ug/ml, nonane Back Catalog number: CBP-23 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2700.8-K-ME Isocaffeine (1,3,9-Trimethylxanthine), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 519-32-4 Price on request 10659.6-25-AN U-{13C6}-Kojic Acid Price on request 0239.20-10-AN Benzo[a]pyrene, 10µg/mL, Solvent-acetonotrile, Unit 1mL, # of units-1, Cas.no. 50-32-8 Price on request