2,3-Dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Back Catalog number: MDF-23 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 82702 EPA Method 8270A - Mix #15 Price on request 679521 13C6-Sulfadiazine, 10mg Price on request XA12082200AC 4,4'-DDT 13C12, 100µg/mL in Acetone, 1ml Price on request