Quercetin Dihydrate CAS 6151-25-3 Sophora Japonica Extract 95% 98% Factory

Short Description:

Chemical Name: Quercetin Dihydrate  

Sophora Japonica Flower Extract, High Quality

CAS: 6151-25-3

Assay: ≥95.0% 98.0% 

Appearance: Yellow Green Fine Powder 

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


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6151-25-3 - Description:

Shanghai Ruifu Chemical is the leading manufacturer of Quercetin Dihydrate (Sophora Japonica Flower Extract) (CAS: 6151-25-3) with high quality. Ruifu Chemical has been supplying Quercetin Dihydrate more than 15 years.
Ruifu Chemical can provide worldwide delivery, competitive price, excellent service.
Purchase Quercetin Dihydrate or other plant extracts, please contact us by e-mail: alvin@ruifuchem.com

6151-25-3 - Chemical Properties:

Chemical Name Quercetin Dihydrate
Latin Name Sophora Japonica L.
Part of Plant Flower 
Synonyms 2-(3,4-Dihydroxyphenyl)-3,5,7-Trihydroxy-4H-1-Benzopyran-4-one Dihydrate; 3,3′,4′,5,7-Pentahydroxyflavone Dihydrate; 3,3′,4′,5,7-Pentahydroxyflavone 2H2O
Stock Status In Stock, Commercial Production  
Quercetin Dihydrate CAS  6151-25-3
Quercetin Hydrate CAS  849061-97-8
Quercetin Anhydrous CAS  117-39-5
Molecular Formula C15H10O7·2H2O
Molecular Weight 338.27 g/mol (302.24 (as Anhydrous))
Melting Point 305.0-315.0℃(lit.) 
Density 1.680 g/cm3 
Sensitive Sensitive to Light  
Water Solubility  Practically Insoluble in Water 
Storage Temperature Store Long-Term at 2-8℃
COA & MSDS Available
Shelf Life 2 Years When Properly Stored
Origin of Product    Shanghai, China
Product Categories
Plant Extracts 
Brand Ruifu Chemical

6151-25-3 - Specifications:

Analysis Specifications Results Test Method
Physical Description      
Appearance  Yellow Green Fine Powder Complies Visual
Identification Identical to R.S. Sample  Positive HPTLC
Odour & Taste Characteristic Complies Organoleptic
Particle Size 100% Through 80 Mesh Complies 80 Mesh
Extract Solvent Water Complies /
Chemical Tests      
Assay / Analysis Method ≥95.0% (Dry basis) Complies HPLC
Loss on Drying 8.0-12.0% 10.18% Eur.Ph.9.0 [2.5.12]
Total Ash ≤0.50% 0.22% Eur.Ph.9.0 [2.4.16]
Heavy Metals ≤10ppm 5ppm Eur.Ph.9.0<2.4.8>
Lead (Pb) ≤2ppm 0.52ppm Eur.Ph.9.0<2.2.58>ICP-MS
Arsenic (As) ≤2ppm 0.46ppm Eur.Ph.9.0<2.2.58>ICP-MS
Cadmium (Cd) ≤1ppm 0.08ppm Eur.Ph.9.0<2.2.58>ICP-MS
Mercury (Hg) ≤1ppm 0.06ppm Eur.Ph.9.0<2.2.58>ICP-MS
Residual Solvent  ≤0.50% Complies USP<467> 
Pesticide Residue Not Detected Complies USP<561> 
Microbiological Test      
Total Plate Count ≤1000cfu/g 260cfu/g USP39 <61>
Yeast & Mold ≤100cfu/g 40cfu/g USP39 <61>
Escherichia Coli  Negative Negative USP39 <62>
Salmonella Negative Negative USP39 <62>
Staphylococcus Aureus Negative Negative USP39 <62>
Aflatoxins B1 ≤5 ppb -Reg.EC 1881/2006 Negative USP39 <62>
Aflatoxins ∑ B1, B2, G1, G2 ≤10 ppb -Reg.EC 1881/2006 Negative USP39 <62>
General Status Non-GMO, Non-Irradiation
Irradiation Non-Irradiation
GMO Product No-GMO (Reg.1829/2003-1830/2003 EC)
Allergens Non-allergen (In Compliance with Reg.1169/2011 Annex II)
BSE/TSE Free, The Product Doesn't Contain Animal Materials
Melamine Free No Melamine (Reg.EU 594/2012)
Ethylen-Oxide No Ethylen-oixde
Vegan Yes

6151-25-3 - Package/Storage/Shelf Life/Shipping:

Package: Bottle; Aluminium foil bag; Pack in paper-drums and two food grade poly bags inside, net weight: 25kg/drum; or according to customer's requirement.
Storage Condition: Keep the container tightly closed. Store in a cool, dry (2-8℃) and well-ventilated warehouse. Keep away from direct sun light or high temperature; avoid fire; avoid moisture. Store away from oxidizing agent.
Shelf Life: 24 months under the conditions above and in its original packaging.

Shipping: Deliver to worldwide by air, by sea, by FedEx / DHL Express. Provide fast and reliable delivery. 

6151-25-3 - Advantages:

Sufficient Capacity: Sufficient facilities and technicians

Professional Service: One stop purchasing service

OEM Package: Custom package and label available

Fast Delivery: If within stock, three days delivery guaranteed

Stable Supply: Maintain reasonable stock    

Technical Support: Technology solution available

Custom Synthesis Service: Ranged from grams to kilos

High Quality: Established a complete quality assurance system

6151-25-3 - FAQ:

How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com 

15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.

Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc.

Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.

Quality AssuranceStrict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.

SamplesMost products provide free samples for quality evaluation, shipping cost should be paid by customers.

Factory AuditFactory audit welcome. Please make an appointment in advance.

MOQ? No MOQ. Small order is acceptable.

Delivery Time? If within stock, three days delivery guaranteed.

TransportationBy Express (FedEx, DHL), by Air, by Sea.

Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.

Custom SynthesisCan provide custom synthesis services to best fit your research needs.

Payment TermsProforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc. 

6151-25-3 - Risk and Safety:

Hazard Symbols T - Toxic
Risk Codes R25 - Toxic if swallowed
R46 - May cause heritable genetic damage
R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed.
Safety Description
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S53 - Avoid exposure - obtain special instructions before use.
UN IDs UN 2811 6.1/PG 3

6151-25-3 - Product Description:

Quercetin Dihydrate (CAS: 6151-25-3) is a plant flavonol from the flavonoid group of polyphenols. It is found in many fruits, vegetables, leaves, seeds, and grains. Quercetin Dihydrate has good expectorant and antitussive effects, and has a certain anti-asthmatic effect. In addition, it has the effects of lowering blood pressure and blood lipids. Used to treat chronic bronchitis. Quercetin Dihydrate also has an adjuvant therapeutic effect on patients with coronary heart disease and hypertension. Quercetin has a bitter flavor and is used as an ingredient in dietary supplements, beverages, and foods.

6151-25-3 - Main Functions:

Here are some of the main functions of Quercetin Dihydrate (CAS: 6151-25-3):
1. Antioxidant effect: Quercetin dihydrate is an effective free radical scavenger that can help reduce oxidative damage to cells and protect cells from oxidative stress.
2. Anti-inflammatory effect: Quercetin dihydrate can inhibit the inflammatory response and reduce the release of inflammatory mediators, thereby reducing the pain and discomfort caused by inflammation.
3. Immune regulation: Quercetin dihydrate can enhance the function of the immune system, promote the activity of immune cells, and enhance the body's resistance to pathogens.
4. Cardiovascular protection: Quercetin dihydrate has the effects of lowering blood pressure, anti-thrombosis, improving blood lipid metabolism, etc., and helps protect cardiovascular health.
5. Anti-allergic effect: Quercetin dihydrate can inhibit the occurrence of allergic reactions and reduce allergic symptoms, such as nasal congestion, cough, skin itching, etc.
6. Anti-cancer effect: Some studies have shown that Quercetin dihydrate may have an inhibitory effect on certain types of cancer, inhibiting the proliferation and invasion of cancer cells and promoting apoptosis of cancer cells. 

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