Quercetin with CAS 117-39-5
What is Quercetin？
Quercetin (CAS 117-39-5) is a natural flavonoid compound found abundantly in fruits, vegetables, and grains. As a leading quercetin supplier, Runtai Chemical provides high-purity quercetin powder that meets international pharmaceutical and nutraceutical standards.
Our quercetin is extracted using advanced technology to ensure high purity and bioavailability. This plant-based antioxidant has gained significant attention in the pharmaceutical, dietary supplement, and cosmetic industries due to its versatile properties.
Quercetin belongs to the flavonol subclass of flavonoids and is particularly known for its antioxidant and anti-inflammatory characteristics. Our pharmaceutical-grade quercetin powder is ideal for formulation in tablets, capsules, beverages, and topical applications.
Runtai Chemical is a professional and reliable China manufacturer of Quercetin with CAS 117-39-5 with higher purity and lower price. If you are interested in our Quercetin, PLS free to contact us for a free sample!
Product Advantages
- Consistent Quality: Batch-to-batch consistency guaranteed with strict QC protocols
- Stable Supply: Reliable inventory and production capacity to meet your demand
- Regulatory Support: Complete documentation for regulatory submissions
- Long Shelf Life: Properly stored product maintains stability for 24+ months
Quercetin Quick Details
- Chemical Name:Quercetin
- CAS No.: 117-39-5
- EINECS: 204-187-1
- Molecular Formula:C15H10O7
- Molecular weight: 302.24
- Appearance:Yellow powder
- Assay: 95%min
- Synonyms:3,3′,4′,5,7-Pentahydroxyflavone 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one;MELETIN;FLAVIN MELETIN;XANTHAURINE;QUERCETINE;QUERTINE; anhydrous quercetin
Quercetin 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 | ≤4.0% | 1.6% |
| Sulphated ash | ≤0.5% | 0.07% |
| Mesh size | 100% pass 80 mesh | Complies |
| Assay (on dry product) | ≥95.0% (HPLC method) | 95.7%
|
| ≥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 Applications
- It is a commonly used expectorant in the clinical practice of traditional Chinese medicine in China, with good effects on expectorant, cough, and asthma relief
- Protect the cardiovascular system, dilate blood vessels, and lower blood pressure; Prevention and treatment of coronary heart disease
- Anti inflammatory effect: When the human immune system fights against bacterial invasion, lipopolysaccharides (LPS) can trigger the body’s immune response and inflammatory response. Some studies have shown that quercetin has an inhibitory effect on LPS induced inflammatory response
- Antibacterial effect: Quercetin is also a broad-spectrum antibacterial substance, which can be used to prevent and treat various bacterial infectious diseases
- Antiviral effect: Quercetin can fight against various viruses, such as HIV virus, sarcoma virus, human herpes simplex virus, parainfluenza virus type 3 (Pf-3), respiratory syncytial virus (RSV).
Quercetin 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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