Parent for Metal Mixes A, B & C Back Catalog number: 50411 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C13205000 Erythrosin B disodium salt, certified, 0.25g Price on request 72233 L-Phenylalanine Price on request 10963.17-10MG Diphenhydramine hydrochloride ,neat,neat,10mg, Price on request