13C LABELED PCB MIXTURE PCBS-77/101/141/178 10UG/ML IN NONANE Back Catalog number: EC-4060 Availability: In the manufacturer's stock Price on request - + Recommended 11853.19-100-MEX5 Propargite,100 µg/mL ,MeOH,1mL, Price on request 72592 Methyl methanethiosulfonate Price on request 96743 Triazines Mix Price on request