Trimethoprim, >98,0%, 25g Back Catalog number: T2286 Availability: In the manufacturer's stock Price on request - + Recommended 83599 EPA Method 8150A Price on request EDF-6999-10X Method 1613 Clean-up Standard, 8ng/ml in Nonane, 20ml Price on request 56039 Yttrium (Y) Price on request