beta-BHC Back Catalog number: 70039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3391.9-100 Endosulfan , 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 115-29-7 Price on request BB-80 3,3',5,5'-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 0199.9-K-IO 6-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-47-6 Price on request