Frangulin B is a specialised anthraquinone glycoside reference substance supplied as ROTICHROM® HPLC material, with empirical formula C₂₀H₁₈O₉ and a molar mass of 402,36 g/mol. It is registered under CAS number 14101-04-3 and EG number 237-953-9, providing clear chemical identity for analytical documentation and method transfer. The 10 mg glass presentation supports economical preparation of calibration standards and spiking solutions for high-performance liquid chromatography. Laboratories engaged in phytochemical analysis, herbal-medicine quality assessment and natural-product research use this compound to confirm retention behaviour, verify detector response and build quantitative methods for frangulin-type constituents. Offered by manufacturer Carl ROTH in ROTICHROM® HPLC grade, the material is suited to routine and development work where chromatographic purity and lot consistency are essential. Typical applications include external calibration, peak identification in complex plant extracts and system-suitability testing when profiling Rhamnus-related or comparable botanical samples under controlled HPLC conditions. Key features Purity (HPLC): >98 % CAS number: 14101-04-3 Pack size: 10 mg glass EG nr.: 237-953-9 Empirical formula: C₂₀H₁₈O₉ Molar mass: 402,36 g/mol Technical Information Sheet: Safety Data Sheet:
