See Part # 72551 Back Catalog number: 72553 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1990.12-5MG 2,4,4',6-Tetrabromodiphenyl ether, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 189084-63-7 Price on request 71337 3-Ethyl-3-methylpentane Price on request MCP-345 3,4,5-Trichloro[13C6]phenol, 1.2ml x 100ug/ml, isooctane Price on request