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Zeaxanthin analytical standard provided with UV assay for quantitative titration.
Purity (HPLC) ≥95% (This product is available with HPLC chromatogram)
U.V / Visible spectrum - E1% : 449 nm 2600 ± 80 477 nm 2300 ± 80
Melting point : 203-207°C
Store in dry and dark place.