Mixed Calibration Standard 4

Cephalosporins

Naphtho[8,1,2-abc]coronene (Naphtho[2'.8',2.4]coronene), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 6596-38-9

Diphenyltolyl phosphate - purified techn. mixture of o-, m-, p-tolyl isomers,50 µg/mL,toluene,1mL,