1-Chloronaphthalene, 1000µg/ml in MeOH, 1ml Back Catalog number: 70311 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 90524 N,N-Dimethylformamide Price on request 2135.21-K-IO Tri-o-tolylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-30-8 Price on request 1573.18-100-ME 14-Hydroxycodeine (7,8-Didehydro-4,5a-epoxy-3-methoxy-17-methylmorphinan-6a,14-diol), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 4829-46-3 Price on request