Anions Mix Back Catalog number: 59209 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8625.15-1-4.5AC 4-n-Nonylphenol (ring13C6) (same as S-4376-1-5AC), 1µg/ml, Solvent-Acetone, Unit 4.5ml, # of units-1, Cas.no. Price on request 680394 Bis(tri-n-butyltin)oxide, 250mg Price on request 680414 Vitamin B12 (Cyanocobalamin), 100mg Price on request