Coumarin, certified, 0.25g Back Catalog number: C11735000 Availability: In the manufacturer's stock Price on request - + Recommended 10422.6-K-IP 2,3,4,5,6-Pentachlorophenol-13C6, 1000µg/ml in Isopropanol, 1ml Price on request 8703.12-100-IO 2,2',4,4',6-Pentachlorobiphenyl, 100µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 39485-63-1 Price on request 9435.17 Butachlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 23184-66-9 Price on request