Chromatography Standards
PESTANAL™ Mefenpyr-diethyl, MilliporeSigma™ Supelco™
Mefenpyr-diethyl is a herbicide safener, used for post emergence control of selective grass weeds affecting crops such as wheat, rye and spring barley.
phyproof™ Bergenin, ≥98% (HPLC), MilliporeSigma™ Supelco™
This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG
Citrus Red 2, ≥98.5% (HPLC), MilliporeSigma™ Supelco™
Citrus red 2 is an artificial dye, which belongs to the mono-azo group of dyes. It may be used to color orange skins.
phyproof™ Cynarin, ≥98% (HPLC), MilliporeSigma™ Supelco™
This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG
phyproof™ Umckalin, ≥98% (HPLC), MilliporeSigma™ Supelco™
This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG
phyproof™ (+)-Quinidine, ≥85% (HPLC), MilliporeSigma™ Supelco™
This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG
PESTANAL™ 4-Aminophenol, MilliporeSigma™ Supelco™
4-Aminophenol can be obtained via the reduction of 4-nitrophenol with excess of sodium borohydride. It can also be obtained as a primary hydrolytic degradation product of paracetamol.