Ethion, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678401 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended Q147 Fluorescent Brightener Agent OB-2 [4,4''-Bis(5-methyl-2-benzoxazolyl)stilbene], 97%, 5g Price on request 50461 Copper AA Standard (Cu) Price on request 73681 3,4,5-Trimethylphenol Price on request