Base/Neutrals Surrogate Standard Back Catalog number: 21006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BB-56 2,3,3',4'-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 677360 AHTN (Tonalid), 100 µg/ml, Cyclohexane, 5ml Price on request 73514 Simazine hydroxy Price on request