Method 504.1LFB Mix Back Catalog number: 94019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678243 Tris(2,4-di-tert-butylphenyl) phosphite, 250mg Price on request 9502.12-10MG Sotalol HCl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 959-24-0 Price on request 11775.12-10-IO 2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request