UCMR4 - Method 525.3 - Surrogate Mix

Diphenanthro[9,10-b;9',10'-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 202-72-2

Nicotinamide, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 98-92-0

Dichloromethane, in Certan bottle, neat, Solvent-neat, Unit 1ml, # of units-1, Cas.no. 75-09-2