Quercetin Dihydrate CAS 6151-25-3

Bulk Quercetin Dihydrate Supplier (CAS 6151-25-3) – ≥95% Assay, EU Supply

Bulk supply of Quercetin dihydrate (CAS 6151-25-3) for nutraceutical, food supplement, cosmetic, and botanical ingredient applications.
Available from EU warehouse with ≥95% assay and full documentation.

Who This Product Is For

• Nutraceutical manufacturers
• Food supplement formulators
• Cosmetic manufacturers
• Botanical extract developers
• Ingredient distributors

Key Specifications

• INCI: Quercetin
• CAS Number: 6151-25-3
• Assay: ≥95% (HPLC)
• Appearance: Light yellow fine powder
• Molecular Formula: C₁₅H₁₄O₉
• Molecular Weight: 338.27
• Source: Sophora japonica L.
• Part: flower
• Solubility: Slightly soluble in water, soluble in alcohols and selected organic solvents

Bulk Supply Information

• MOQ: 10 g (evaluation and analytical testing)
• Stock availability: EU warehouse
• Larger volumes: Available on request
• Lead time: 5–10 working days
• Packaging: Plastic bags / bottles / drums depending on quantity
• Typical applications: nutraceutical formulations, food supplement products, cosmetic formulations, botanical extract systems, functional ingredient development

Commercial Supply Programs

Beyond standard pack sizes, NST Chemicals supports commercial-scale procurement for cosmetic and food supplement manufacturers. For larger volume requirements, we offer custom quotations, volume-based pricing, and Annual Supply Agreements with scheduled split deliveries throughout the year.

Depending on the ingredient, annual supply volumes ranging from 100 kg to 2 metric tons can be accommodated. Reserved production capacity and long-term sourcing arrangements are available for customers seeking predictable lead times, batch-to-batch consistency, and secure supply chains.

For volume quotations, annual contracts, or specific sourcing requirements, please contact [email protected].

Documentation Available

• Certificate of Analysis (CoA)
• Technical Data Sheet (TDS)
• Safety Data Sheet (SDS)
• Residual solvent and pesticide analysis
• Heavy metal testing documentation
• Microbiological testing documentation
• Additional technical and regulatory documentation on request

Documentation available for quality verification and regulatory support. Additional quality-related information can be provided to support formulation, compliance, and internal validation requirements.

Applications

• Nutraceutical ingredient formulations
• Food supplement products
• Cosmetic and personal care products
• Botanical extract standardization
• Product formulation and prototype development
• R&D and commercial development programs

Product Notes

• Quercetin dihydrate is a naturally occurring flavonoid supplied in its hydrated crystalline form and sourced from Sophora japonica.
• Frequently utilized in nutraceutical, cosmetic, food supplement, and botanical ingredient development projects.
• Suitable for applications requiring defined, high-purity flavonoid ingredients and reliable batch-to-batch consistency.

Why Choose NST Chemicals

• EU-based supplier focused on cosmetic and nutraceutical active ingredients
• Consistent batch quality (≥95% HPLC, verified)
• Flexible quantities from R&D to bulk supply
• Reliable logistics from EU warehouse
• Fast B2B communication (1h–24h response)

Request Bulk Quotation

Looking for pricing or samples?

• Custom quotes for 10 g+ orders
• Support for formulation projects
• Response time: from 1 hour up to 24 hours

👉 Email: [email protected]
👉 WhatsApp: +371 24220280

About NST Chemicals

Established in 2017 in Latvia, NST Chemicals is a flexible distributor of high-quality phytochemicals and natural active ingredients. We offer quantities from 10 g to 100 kg, transparent pricing, fast response times (1–24 hours), and reliable worldwide shipping with full documentation.