Demeton-O, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 680857 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8225.6-100 Demeton-S-methyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 919-86-8 Price on request 9056.6-K-IP Tetrachlorocatechol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 1198-55-6 Price on request 90449 3-Ethyltoluene Price on request