Nitrogen Pesticides Back Catalog number: 94333 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1964.12-50-IO 2,3',4,4'-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 189084-61-5 Price on request 94572 EPA Method 525.1 Standard Price on request 9397.20-100-ME Citalopram hydrobromide Price on request