Direct Red 28, 98% Back Catalog number: 10542.32-1G Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 11691.12-100-IO 2,3,4',4'-Tetachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 95406 Aroclor 1254 & Tetrachloro-m-xylene Price on request 66121 2,3’,4,5’,6-Pentachlorobiphenyl Price on request