EPA Method 508 Pesticide Standard

d2 C20 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-79-9

Hydrocortisone

Deuterated Phenol Mixture 2279,6 Phenol-2,3,4,5,6-d5 [4165-62-2] 2280,7 p-Cresol-d8 [190780-66-6] 2281,8 4-Ethylphenol-d10 [352431-18-6] 2282,10 4-tert-Butyl-d9-phenol-2,3,5,6-d4 [225386-58-3] 2283,15 2,6-Di-(tert-butyl-d9)-