WS Trace Elements #2 Back Catalog number: 55013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 80811 Tetrachloro-m-xylene Price on request 3254.13-K-IO Methyl 11-cis-dodecenoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 29972-79-0 Price on request 677142 Cephapirin benzathine, 100mg Price on request