Erythrosin B disodium salt, certified, 0.25g Back Catalog number: C13205000 Availability: In the manufacturer's stock Price on request - + Recommended 93971 EPA Method 525 Surrogate Standard Price on request 0218.17-10MG 11H-Benzo[b]fluorene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 243-17-4 Price on request 66203 2,2',3,4,4',5,5',6-Octachlorobiphenyl (203) Price on request