2,2',3,4',5',6-Hexachlorobiphenyl (149) Back Catalog number: 66149 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95457 BTEX, MTBE, Naphthalene Price on request 59985 Metal Mix #1 Price on request 71897 4-Methylcatechol Price on request