2,2',3,3',4,6,6'-Heptachlorobiphenyl Back Catalog number: 66176 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3440.5-100-AN DL-Methionine Price on request 677203 4-n-Nonylphenol, 100mg Price on request 30181 EPA Method 505 Analyte Mix Price on request