2,2',3,4',5,6,6'-Heptachlorobiphenyl (188) Back Catalog number: 63188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32052 EPA Method 551 Analytes Price on request 93948 D-Maltotriose Price on request 51104 Column Resolution Mix ASTM D-3524 Price on request