Aroclor 1221 Back Catalog number: 79403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90605 EPA Method 8141/1657 Analytes Price on request 10568.10-100-ME 2-Amino-1-Phenylbutane hydrochloride Price on request 72629 Dimethyl sulfoxide Price on request