beta-HCH, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673616 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 71620 Ethylcyclohexane Price on request 8868.8-K-IO 5,6,7,8-Tetrahydroquinoxaline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 19317 EPA Method 625 Base/Neutrals Mix #4 Price on request