Trimethoprim, 100μg/mL in Acetonitrile, 1ml

ISO 9377-2MOD Standard Mixture 1 of n-Alkanes and BTEX S-4423-50-5PE C7+C10+ C20+C40+BTEX in n-Pentane Determination of Hydrocarbon Oil in Water Index 10 Analytes; each 50µg/mL in n-pentane; units: 1x1mL, 1x5mL, 10x1mL Benzene B

Naphtho[8,1,2-hij]hexaphene, Please inquire, Solvent-, Unit , # of units-, Cas.no. 196-27-0

Custom Anions Mix