Crocetane, 1000µg/ml in Isooctane, 1ml

Caffeine-d3 (1-methyl-d3), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 26351-03-1

N-Nitrosopiperazine, 100mg

PCB Mixture 1 7 Analytes, each 10µg/mL in acetonitrile; unit: 10x1mL Prod.no. Compound Description CAS No. 1999.12 2,4,4’-Trichlorobiphenyl PCB 28 [7012-37-5] 2000.12 2,2’5,5’-Tetrachlorobiphenyl PCB 52 [35693-99-3] 20001.12 2,2’4,5,5’-Pentachlorobi