Cyanocobalamine, 98% (dry weight basis),neat,neat,100mg,

Total Cyanide (CN), 1000µg/ml in in Water / Tr. NaOH, 500ml

1,2,4,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

N-Nitrosodiphenylamine