EPA 525 Cal Mix 1

1,5-Bis-(4-chlorophenyl)-biguanide HCl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 13590-98-2

rac-Ruxolitinib-d9 (major), 1mg

2-Imidazolidinethione (ETU)", 100μg/mL in Acetonitrile, 5ml