Piperonyl butoxide, certified, 0.1g Back Catalog number: C16240000 Availability: In the manufacturer's stock Price on request - + Recommended 1618.32-10MG 3ß-Acetoxybetulinic acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 10376-50-8 Price on request 0728.12-K-IO 2,3-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 581-40-8 Price on request 13768.9-100-ME Lamotrigine-13C3,d3, 100µg/ml in MeOH, 1ml Price on request