Hangzhou Yihe Biomedical Technology Co., Ltd.
Product Introduction
CAS No.: 117-39-5 Specification: 95%
Main Functions
Primarily Quercetin Dihydrate is a flavonoid compound used at pharmaceutical and food additive sectors. It is mainly purchased to be a component of antioxidant-related formulations and functional ingredient development. Yihe Biomedical offers Quercetin Dihydrate 95% which is an excellent choice for customers wanting a well-defined specification and quality documents issued on a batch basis. Application Areas Reference pharmaceutical raw material Food additives Ingredient development for functional food Packaging components of antioxidant formulations Nutritional products.
Company Strengths
As your partners in supplying botanical extracts, standardized ingredients, and custom raw material solutions, Yihe Biomedical supports the food, health product, cosmetic, and pharmaceutical industries. Our production center in Nanning, because of its proximity to the sources of botanical raw materials, provides us a strong advantage in material selection at an early stage, as well as production cost control. About our usual extract products, mostly samples and small trial packs (1 kg) can be provided before placing bulk orders. Shipping of stocked items usually takes 3 working days after order receipt. Customized production on the other hand may need 15–25 working days depending on product specifications and testing requirements. You may get a Certificate of Analysis (COA) for the batch you purchased at any time. Depending on the product, TDS, MSDS/SDS, specification sheets, as well as certification like Halal, Kosher, or organic documents, etc.
Why Choose Us
Pre-Sales and After-Sales Support
Pre-Sales Support
1. Prompt Reaction to Queries
We reply to queries within 2 hours and issue first quotes and specs within 24 hours.
2. Sampling Services
We ship you samples for FREE with the Certificate of Analysis (COA) and usage instruction included.
3. Technical Advisory
We help you understand the regulations of your markets (like U.S. Dietary Supplement cGMP, EFSA standards).
4. Custom Sample Production
Perform a small batch trial in a lab based on customer's recipe submission, sample delivery 3–5 business days.
After-Sales Support
1. Use Guidance
Issue technical data sheets (TDS) in detail for product solubility, compatibility & contraindications, recommended dosage, storage conditions, etc.
2. Customer Complaint Management
If there is any problem with the quality, a dedicated team will be formed within 48 hours to offer replacements or refunds for free, and the Quality Director will issue a corrective action report.
3. Sustained Interest in Customer Satisfaction
We take the initiative to contact customers every three months and offer them updated CoAs, literature, and application research materials related to products from the same batch.
4. Stocking Plan for the Long Run
We take responsibility for stocking a safety inventory (≥3 months’ typical usage) of top-selling products to avoid production downtime.
FAQ
Q1: What are the specifications of Quercetin Dihydrate you supply?
We currently offer Quercetin Dihydrate 95%. If you need different assay or special tests, please first share with us your target specifications.
Q2: Can you send me COA for this product?
Yes, it is possible for us to send you the COA of each batch. For B2B orders, we also share the basic product documents such as specification sheet, TDS, and MSDS/SDS when these documents are available.
Q3: Is it safe to use this product as food additives?
The product catalog mentions that the use of this product as food additives is one of the options. However, the actual use would depend on your formula, dosage, label claim as well as on local regulations.
Q4: Can this product be included in pharmaceutical products? Depending on the grade and market requirements, it can be considered as a pharmaceutical raw material. Please check the standard you want to aim for before buying.
Q5: Are sample tests supported by you before the main order? Of course.
We can send trial samples for quality tests and formulation tests as well as the sample COA for the same.
Q6: Is third-party testing possible to you?
Yes that is possible. If your choice is SGD, Eurofins, Intertek, or any other third-party laboratory, we can talk about the details of the tests and the charges before dispatch.
Q7: What information do I need to provide for getting a quote?
Please provide the specification required, quantity to be ordered, country of destination, packaging preferences, and documentation requirements. These pieces of information will help us prepare a more accurate quotation.
Shipping Information
We can ship as soon as the stock is available, normally within approximately 3 working days after order confirmation. We can supply evaluation trial packs like 1 kg and mostly the bulk packaging is arranged by drum. If you require special packaging, courier shipment, air freight, or sea freight, please make sure you confirm it before making the payment so that the sales team can offer you the appropriate logistics option.
| Company | Hangzhou Yihe Biomedical Technology Co., Ltd. |
| Business Layout | Hangzhou trade office for international business, customer communication, and logistics coordination; Nanning factory for production and quality control |
| Factory Location | Nanning, Guangxi, close to botanical raw material sources |
| Factory Operation | Nanning factory officially started production in 2019 |
| Factory Area | About 3,300 m² |
| Extraction Capacity | 7 extraction tanks, 6 tons each |
| Annual Raw Material Capacity | Over 2,000 tons of botanical raw materials per year |
| Product Forms | Single compounds, standardized extracts, ratio extracts, compound granules, and customized grades |
| Quality Documents | COA, TDS, MSDS/SDS, specification sheet; Halal, Kosher, and organic documents available for selected products |
| Testing Capability | HPLC, GC/MS, ICP-MS, GC-ECD / GC-MS, headspace gas chromatography, moisture, ash, and particle size testing |
| Sample Support | Samples can be supplied with sample COA and basic product information |
| MOQ Reference | Regular extracts: 25 kg/drum; 1 kg trial pack available; customized products can be discussed from around 5 kg depending on process |
| Lead Time Reference | Stock products: around 3 working days; customized production: around 15–25 working days |
| Traceability | Each batch has a unique batch number linked to raw materials, production records, test reports, and logistics records |
| Quality Response | Quality complaints are handled within 48 hours with internal investigation and corrective action when needed |
