2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Back Catalog number: 66171 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9229 m-Cresol Price on request 66098 2,2',3',4,6-Pentachlorobiphenyl (98) Price on request SCP150-021-003 CONOSTAN Standard S-21, 100 ppm, 100g Price on request