Promethazine hydrochloride, 250mg Back Catalog number: 679598 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2178.12-K-IO 2,4'-Difluorodiphenyl ether, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 863315-03-1 Price on request 1368.2-KIT Diamantane Kit (1085.14-K-IO, 1311.15-K-IO), , Solvent-, Unit Kit, # of units-, Cas.no. Price on request S-4045-05-10MEX5 Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 1x10mL, 5x10mL Price on request