beta-HCH, 100 µg/ml, Methanol, 1ml Back Catalog number: 680443 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3397.13-100 Fenamiphos sulfoxide, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 31972-43-7 Price on request 690280 2,2'-Methylenedianiline, 25mg Price on request 3875.3-1G Acylamide, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 79-06-1 Price on request