Trimethoprim, 100μg/mL in Acetonitrile, 1ml Back Catalog number: XA17875000AL Availability: In the manufacturer's stock Price on request - + Recommended 675720 Heptachlor-exo-epoxide, 100 µg/ml, Ethyl acetate, Price on request NK-ST-A Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 72650 2-Azacyclotridecanone Price on request