4,4'-Diaminodiphenylmethane, >98%, 25g

Perchlorate (ClO4-), 100µg/mL in Water, 100ml

Whole milk powder - Aflatoxin M1 (high level), 30g

Custom Mix of Sterols 10 compounds 100ug/ml in hexane, 10x1ml 2900.27 Cholest-5-en-3beta-ol (Cholesterol) CAS 57-88-5 2795.27 5 alpha(H)-Cholestan-3ß-ol (Cholestanol) CAS 80-97-7 2351.27 5ß(H)-Cholestan-3ß-ol (Coprostan