4-Chloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane Back Catalog number: MCDE-3 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 20002 EPA Method 8240A - Purgeable Surr Std Price on request 679748 Erythromycin, 100 µg/ml, Methanol, 5ml Price on request 99810 Pesticide Mix (Acetochlor, Metazachlor, Alachlor, Terbuthylazine, Terbuthylazine-desethyl), 10µg/ml in Hex/1% AC, 1ml Price on request