QC Standard 2 Back Catalog number: 56085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97720 Bentazon Price on request 8114.8-100-AN Glyoxal mono-2,4-dinitrophenylhydrazone, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 13059-68-2 Price on request 1892.12-100-AN Endrin, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 72-20-8 Price on request