Chromatography Standards
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
TraceCERT™ Ethylparaben, MilliporeSigma™ Supelco™
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Tartrazine, ≥99% (HPLC), MilliporeSigma™ Supelco™
Tartrazine is a synthetic azo dye, commonly found in drugs, food products and cosmetics. It can be synthesized by the reaction of sulfanilic acid with 3-carboxy-l-(4-sulfophenyl)-5-pyrazolone.
4-Hydroxytamoxifen (E) and (Z) isomers (50:50), ≥97.5% (HPLC), MilliporeSigma™ Supelco™
4-Hydroxytamoxifen is a first generation, selective estrogen receptor modulator (SERM) that functions as an antagonist in breast cancer cells but can display estrogen-like activities in the uterus and bone.
phyproof™ Alisol B 23-acetate, ≥95% (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