1-Naphthalenesulfonic acid, 25g Back Catalog number: SC-251527 Availability: In the manufacturer's stock Price on request - + Recommended 8018.13-K-IO Xanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 90-47-1 Price on request 3PM182 2,2',3,4,4',5,6'-Heptachloro-3'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 72606 2’,4’,5’-Trifluoroacetophenone Price on request