Sodium and potassium reagent concentrate

Benzo[p]naphtho[1,8,7-ghi]chrysene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 385-14-8

Organometallic Butyltin Chloride, 2000 µg/mL in CH2Cl2, 1ml

3-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1455-18-1