2,2',3,3',4,4',6,6'-Octabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

25-Hydroxyvitamin D2-d6, 50µg/ml in MeOH, 1ml

1,5-Bis-(4-chlorophenyl)-biguanide HCl, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 13590-98-2

Aflatoxin B1, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 1162-65-8