(-)-Epicatechin gallate
CAS: 1257-08-5
Category: Glycosides
| Purity | ≥98% HPLC, ≥95% Natural Extract Grade, Analytical Standard |
| Molecular Formula | C22H18O10 |
| Molecular Weight | 442.37 |
| Appearance | Pale yellow to light brown crystalline powder |
| Packaging | 1kg/aluminum foil bag or 100g/glass bottle. |
| Testing Indicators | Appearance — Visual inspection; Specific rotation — Polarimetry; Identification — LC-MS, NMR; Purity — RP-HPLC; Loss on drying — Gravimetry; Heavy metals — ICP-MS; Microbial limits — Pour plate; Total ash — Muffle furnace; Galloylation degree — HPLC. |
| Storage Notes | Store in a tightly closed, light-resistant container at 2-8°C (refrigerated), protected from air and moisture to prevent oxidation. |
| Lead Time | days |
A polyphenolic catechin used as a high-purity intermediate in pharmaceutical and nutraceutical research for its antioxidant and potential therapeutic properties.