pH 4.01 buffer solution (box of 25x20mL sachet)

5-Methylbenz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 2319-96-2

Crufomate

(S)-(-)-Cotinine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 486-56-6