

Quercetin Dihydrate with CAS 6151-25-3
What is Quercetin Dihydrate?
Quercetin Dihydrate (CAS 6151-25-3) is a naturally occurring flavonoid compound widely distributed in fruits, vegetables, and medicinal plants. As one of the most extensively studied bioflavonoids, quercetin dihydrate is recognized for its powerful antioxidant properties and diverse biological activities.
Runtai Chemical supplies premium-quality Quercetin Dihydrate, ensuring consistent purity and quality for pharmaceutical, nutraceutical, and research applications. Our product meets international quality standards including USP, EP, and CP specifications.This hydrated form of quercetin offers enhanced stability and solubility compared to anhydrous quercetin, making it ideal for various formulation applications.
Runtai Chemical is a professional and reliable China manufacturer of Quercetin Dihydrate with CAS 6151-25-3 with higher purity and lower price. If you are interested in our Quercetin Dihydrate, PLS free to contact us for a free sample!
Product Advantages
- Powerful Antioxidant Activity: Effective free radical scavenger that helps protect cells from oxidative stress and damage.
- Anti-inflammatory Properties: Supports a healthy inflammatory response and may help reduce inflammation markers.
- Cardiovascular Support: Promotes heart health by supporting healthy blood pressure and cholesterol levels.
- Immune System Modulation: Helps support and balance immune system function.
- Excellent Stability: The dihydrate form offers superior shelf life and maintains potency during storage.
- Versatile Formulation: Suitable for tablets, capsules, powders, and liquid formulations.
Quercetin Dihydrate Quick details
- Chemical Name: Quercetin dihydrate
- CAS No.: 6151-25-3
- EINECS: 612-158-3
- Molecular Formula: C15H14O9
- Molecular weight: 338.27
- Appearance: Yellow powder
- Assay: 98%min
- Synonyms: Quercetindihydrate;3,5,7,3′,4′-pentahydroxyflavonedihydrate;3,3’,4’,5,7-pentahydroxy-flavondihydrate;flavone,3,3’,4’,5,7-pentahydroxy-,dihydrate;2-(3,4-dihydroxyphenychemicalbookl)-3,5,7-trihydroxy-4h-1-benzopyran-4-onedihydrate;3,3′,4′,5,7-pentahydroxyflavone2h2o;3,3′,4′,5,7-pentahydroxyflavonedihydrate;3,3′,4′,5,7-pentahydroxyflavonehydrate
Quercetin Dihydrate Typical Properties
| Item | Specification | Results |
| Appearance | Yellow powder | Complies |
| Identification | Must positive | Complies Reference Spedrum |
| Solubility | Practically insoluble in water | Complies |
| Soluble in aqueous alkaline sol. | Complies | |
| Loss on drying | 9.0%to 12.0% | 9.7% |
| Residue on ignition | ≤0.5% | 0.10% |
| Mesh size | 100% pass 80 mesh | Complies |
| Assay (on dry product) | ≥95.0% (HPLC method) | 95.5% |
| ≥98.0% (UV method) | Complies | |
| Heavy Metal | ≤10ppm | ≤10ppm |
| Cadmium | ≤1ppm | Complies |
| Lead | ≤3ppm | Complies |
| Mercury | ≤0.1ppm | Complies |
| Arsenic | ≤1ppm | Complies |
| Total plate count | ≤1000CFU/g | Complies |
| Yeast & Mould | ≤100CFU/g | Complies |
| E.Coli | Absent | Absent |
| Salmonella | Absent | Absent |
| Conclusion | The results conforms with enterprise standards | |
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Quercetin Dihydrate Applications
- Pharmaceutical Industry
Active Pharmaceutical Ingredient (API): Used in drug formulations for cardiovascular health, anti-inflammatory, and antioxidant medications
Drug Development: Research compound for developing novel therapeutic agents
Combination Therapies: Synergistic ingredients in multi-component pharmaceutical formulations - Nutraceuticals & Dietary Supplements
Antioxidant Supplements: Primary ingredient in antioxidant support formulas
Cardiovascular Health: Heart health and blood pressure support supplements
Immune Support: Immune system booster and seasonal wellness products
Anti-Aging Formulas: Skin health and cellular aging support supplements
Sports Nutrition: Exercise recovery and performance enhancement products
Allergy Support: Seasonal allergy relief and histamine response formulations - Functional Foods & Beverages
Fortified Foods: Health-enhanced food products with added antioxidant benefits
Functional Beverages: Health drinks, energy drinks, and wellness beverages
Nutritional Bars: Protein bars and health snacks with antioxidant properties - Cosmetics & Personal Care
Anti-Aging Skincare: Serums, creams, and lotions for skin protection and rejuvenation
UV Protection: Sun care products with additional antioxidant defense
Hair Care: Scalp health and hair strengthening formulations
Quercetin Dihydrate Package & Storage
- Package: 1kg/bag; 25kg/drum
- Storage: Store in a cool place and keep it sealed to avoid direct sunlight.
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