Multi-Element Solution 4 Back Catalog number: 52136 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3801.12-50-IO 3'-Fluoro-2,3,4,5,6-pentachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 29779-02-0 Price on request 0024.16-200-T Benzo[b]naphtho[1,2-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205-39-0 Price on request 70213 Methylene chloride-d2 Price on request