Custom Metals Standard Back Catalog number: 50684 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MCBZ-12345 1,2,3,4,5-Pentachloro[13C6]benzene, 1.2ml x 100ug/ml, isooctane Price on request 92794 BTEX Standard Price on request X9131 Iodomethane Price on request