Quality Control Standard, 1000µg/ml in AC, 1ml Back Catalog number: ISO/DIS9377-4-1 Availability: In the manufacturer's stock Price on request - + Recommended CCZ-1368 1,3,6,8-Tetrachloro-9H-carbazole, 1.2ml x 50ug/ml, nonane Price on request 72031 Theophylline Price on request 10199.23-50-AN JWH-073 N-(4-Hydroxybutyl) metabolite, 50µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. NA Price on request