Sulfamethoxazole

The consumption of pharmaceuticals in human and veterinary medicine has reached a high level, leading to growing residues in food, environmental and (waste) water samples. Sulfamethoxazole is considered to be ecologically problematic because it is not biodegradable....

Chloridazon metabolites

Chloridazon is one of the critical ingredients in crop protection, as the active substance and its main metabolites Desphenyl-Chloridazon and Methyl-Desphenyl-Chloridazon are detected in groundwater. ASCA GmbH has successfully synthesized the main metabolites of...

Mexenone

Mexenone  is a benzophenone-derived sunscreening agent. Side effects of sunscreen preparations can be irritation, allergic or photoallergic reactions of the skin and residues can be found in waters. For your research and investigations, we can offer the following...

Metabolites of quinmerac

Quinmerac is a synthetic herbicide from the quinoline group and used mainly on cereals and beets. Residues of the active substance and its main metabolites are found on plants, in soil and groundwater and are of importance with regard to consumer health protection. In...

Zearalenone and its major metabolites

Zearalenone (ZEN) – a mycotoxin produced by Fusarium species – is one of the most common food and feed contaminants.  In addition to the “free” toxin a number of derivatives exist the partly be counted to the so-called “masked”...