b-Sitosterol

4,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml

2H,2H,3H,3H-Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 34598-33-9

EPA 527 Mix 2, Pesticides B 9 Analytes, each 500µg/mL in Methanol; unit: 1x1mL 3323.23 Bifenthrin [82657-04-3] 3344.9 Chlorpyrifos (Dursban) [2921-88-2] 3381.5 Dimethoate [60-51-5] 1396.10 Malathion [121-75-5] 3457.10Mirex [2385-85-5] 3463.12 Nitro