Trimethoprim, >99%, 1g Back Catalog number: 92131-1G Availability: In the manufacturer's stock Price on request - + Recommended DF-13479-S 1,3,4,7,9-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 92809 EPA Method 8240A Mix #3 Price on request 678036 1,2,3-Trimethylbenzene, 250mg Price on request