Cyanocobalamin

ISO 9377-2 Standard Mixture of n-Alkanes C10-C40 (all even) Determination of Hydrocarbon Oil in Water Index 16 Analytes, each 50 µg/mL in n-Pentane; units: 1x1mL, 1x5mL, 10x1mL This standard is also available as 100µg/mL in Cyclohexane Units: 1x1

Arochlor 1254, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11097-69-1

4-Aminobiphenyl, 100mg