WS Nitrosamines Back Catalog number: 38339 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1609.42-10MG Rubrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 517-51-1 Price on request 678979 Benzyl butyl phthalate, 250mg Price on request 9406.18-10MG Clozapine-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 204395-52-8 Price on request