25-Hydroxyvitamin D2 (95%)

Perdeuterated Internal Standard PAH-Mixture 4 5 analytes, each1000 µg/mL in benzene-d6; units: 1x1mL, 1x5mL 1337.16 Fluoranthene-d10 [93951-69-0] 1348.20 Benzo[b]fluoranthene-d12 [93951-98-5] 1349.20 Benzo[k]fluoranthene

2,3,3',4,5,5'-Hexachlorobiphenyl-2',4',6'-d3,100 µg/mL,isooctane,1mL

1,2,3,6-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane