Methapyrilene HCl

1,8-Anthracenedicarboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 93655-34-6

EPA Method 551 Analytes

4-Aminoazobenzene, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 60-09-3