Chromatography Standards
TraceCERT™ N-Nitrosodimethylamine Solution, 200 μg/mL in Methanol, MilliporeSigma™ Supelco™
N-Nitrosodimethylamine is a toxic type of N-nitrosamine, which can be commonly synthesized in vivo by intestinal microbiota type of microorganisms. It can undergo reduction to form dimethylamine using zero-valent metal ions like Fe and Zn in the presence of Cu(II) ions.
PESTANAL™ Tetradifon, MilliporeSigma™ Supelco™
Tetradifon is a fungicide, commonly used for control of red spider mites affecting citrus fruits, deciduous fruits and ornamental plants. It is also used for weed control management.
PESTANAL™ Carbofuran, MilliporeSigma™ Supelco™
Carbofuran belongs to N-methylcarbamate class of chemicals used to control soil-dwelling and foliar-feeding insects on agricultural crops. Carbofuran acts by inhibiting cholinesterase enzyme activity.
Di-n-octyl phthalate, MilliporeSigma™ Supelco™
Di-n-octyl phthalate (DNOP) is a mixed component of C6-C10 linear-chain phthalates which has the ability to impart flexibility in plastics and rubber materials. It is also used as plasticizer in PVC used in flooring and carpet tiles.
Cholecalciferol (D3), MilliporeSigma™ Supelco™
Cholecalciferol (D3) is a fat soluble vitamin, and is one of the forms of vitamin D, synthesized in human skin on exposure to ultraviolet (UV) radiation from sunlight, or it can also be obtained from food. It is found to be essential in humans for maintaining normal calcium metabolism.