Promethazine Back Catalog number: 73260 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70213 Methylene chloride-d2 Price on request 674900 Coumachlor, 250mg Price on request 1854.10-K-IO n-Butylbenzene-d14, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 65087-59-4 Price on request