Benzo[b]fluoranthene, 100µg/mL in Acetonitrile, 1ml

Tridecanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 638-53-9

25-Hydroxyvitamin D3-d6 (Dimethyl 26,27-d6), 50µg/ml in MeOH, 1ml

2,2',4,4'-Tetrabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane