Tenuazonic acid

Tenuazonic acid is a fungal secondary metabolite that produced by a number of Alternaria species and found as a natural contaminant in food and feed samples. Tenuazonic acid shows cytotoxic, antibacterial, antiviral and phytotoxic properties and is considered acutely...

Flufenacet Metabolite

Are you looking for new standards for metabolites of active ingredients of pesticides? This week ASCA GmbH has successfully synthesized the metabolite Flufenacet sulfonic acid and can offer it as a native as well as stable isotopically labelled standard. Flufenacet...

Zearalenone standards

For your investigations and analysis of fusarium toxins we can offer the following native and isotopically labelled standards: [gview file=”http://asca-berlin.de/files/wp-content/uploads/Zearalenon-Standards.pdf”] All substances are available from stock....

Terbuthylazine and its metabolites

Terbuthylazine is a selective herbicide. Chemically, it is compared with atrazine and simazine and belongs to the group of chlorotriazines. Terbuthylazine as well as three major degradation products and several secondary metabolites are frequently detected in...

Thiacloprid amide

Thiacloprid is an active ingredient and is acutely toxic to insects. It acts as an agonist of the nicotinic acetylcholine receptors (nAChRs) in the central nervous system. In general four metabolites (M02, M30, M34 and M37) were detected in the residue analysis. In...

Residues of pesticides are undesirable

In addition to the actual active ingredients of pesticides (PPPs: plant protection products), their transformation products (metabolites), which are no longer active in the sense of the parent substance, are increasingly becoming the focus of water supply companies,...