WS Anions - Cal Check Back Catalog number: 52107 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673614 alpha-HCH, 100 µg/ml, Ethyl acetate, 5ml Price on request 9352.10-250MG L-Nicotine, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 54-11-5 Price on request 73514 Simazine hydroxy Price on request