Promethazine Back Catalog number: 73260 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12351.12-100-ME Mono-n-butyl phthalate-3,4,5,6-d4, 100µg/ml in MeOH, 1ml Price on request MPFNA Perfluoro-n-[1,2,3,4,5-13C5]nonanoic acid, 50µg/ml in MeOH, 1,2ml Price on request 99932 Fermentation Standard II, in Water, 1ml Price on request