ß-glucuronidase recombinant Escherichia coli

Custom mix of nitrosamines 9329.14-K-AN N-Nitrosodibenzylamine NDBzA 10038.18-100-AN N-Nitroso-N,N-di-(7-methyloctyl)amine NDiNA 2743.12-K-IP N-Nitroso-di-n-hexylamine NDHA 9330.8-K-AN N-Nitrosodiisobutylamine NDiBA 9331.16-K-AN N-Nitrosodi-n-octy

Octachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

1-Naphthol