pH 5.0 Standard @ 25°C Back Catalog number: 59577 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1143.23-10MG n-Tricosane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 638-67-5 Price on request 70648 Difenoxuron Price on request 11731.12-100-IO 3,3',4,5,5'-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request