(-)-Epicatechin, 25mg Back Catalog number: E582260 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended S-4143-KIT-6X1ML Low level Nitrogen & Sulfur Calibration Set Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline / Sulfur introduced using di-n-Butyl Sulfide Catalogue No. Concentration Matrix: Benzene mg/kg (ppm) S-4143-0 Price on request 3352.22-100-AN Cypermethrin, isomer mix, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. incl. 52315-07-8 Price on request 11908.20-1G Fluorescein (free acid),neat,neat,1g, Price on request