Norethisterone, 100µg/mL in Acetonitrile, 1ml

Ethiprole-sulfone, 100 µg/ml, Acetonitrile, 1ml

Chloroform-d, 2000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 865-49-6

Paraxanthine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 611-59-6