Quercetin is one of the most extensively researched bio-flavonoids in the fields of Oncology R&D and Immune Modulation. At Blue Eye Bio, we provide Quercetin Dihydrate of exceptional purity, extracted from premium Sophora japonica (Japanese Pagoda Tree) buds. With 20 years of manufacturing heritage, we ensure that our Quercetin acts as a reliable molecular building block for professional laboratories and global pharmaceutical pipelines.

Ultra-High Purity: Available in standardized 95% and 98% purity verified via High-Performance Liquid Chromatography (HPLC).
Items | Specification (Standardized Grade) |
Active Ingredient | Quercetin Dihydrate |
CAS Number | 6151-25-3 |
Source | Sophora japonica L. |
Appearance | Fine Yellowish Powder |
Assay (HPLC) | ≥ 95.0% / ≥ 98.0% |
Mesh Size | 100% through 80 Mesh |
Loss on Drying | 8.0% - 12.0% |
Heavy Metals | < 10 ppm |
Oncology Research & Development: Used as a key compound in studying cell proliferation inhibition and apoptosis induction pathways.
Unified QC Standard (UQS): Every batch undergoes a dual-audit process—at the alliance production site and our central laboratory—ensuring 100% specification adherence.
Q: What is the difference between Quercetin Dihydrate and Quercetin Anhydrous?










