Trimethoprim, 100μg/mL in Acetonitrile, 1ml Back Catalog number: XA17875000AL Availability: In the manufacturer's stock Price on request - + Recommended 2778.10-100-AN Heptachlor-exo-epoxide (cis-) Price on request 98404 IP 391-95 Calibration Level 4 Price on request 66170 PCB No. 170, 100µg/in Isooctane, 1ml Price on request