1-Naphthalenesulfonic acid, 25g Back Catalog number: SC-251527 Availability: In the manufacturer's stock Price on request - + Recommended ACQ-SE40-015 Ethanol standard in serum,4.0g/L,serum, 1.5mL Price on request 91040 cis-1,2-Dichloroethene, 5000µg/ml in MeOH, 1ml Price on request 31541 Bromomethane, 200µg/ml in MeOH, 1ml Price on request