Luteolin CAS 491-70-3
Price range: €70 through €480
Synonyms: 3′,4′,5,7-Tetrahydroxyflavone
INCI: LUTEOLIN
Download quality specification Luteolin-CAS-491-70-3-QS.pdf
| 10 g | € 50 |
| 100 g | € 155 |
| 500 g | € 300 |
| 1 kg | € 480 |
| 5 kg | €/kg 405 |
| 25 kg | €/kg 372 |
| 50 kg | Price on request |
| 100 kg | Price on request |
| Cat. No. | NST-10-77 |
| CAS | 491-70-3 |
| Purity | 98% (HPLC) |
| Appearance | Pale yellow powder |
| Source | Sophora japonica L. |
| Part | buds |
| Molecular formula | C15H10O6 |
| Molecular weight | 286,24 |
Bulk Luteolin Supplier (CAS 491-70-3) – ≥98% HPLC Purity, EU Supply
NST-10-77 is luteolin aglycone derived from Sophora japonica L. buds. Supplied as a pale-yellow fine powder, it has an HPLC purity specification of ≥98.0% and a separate HPLC assay specification of ≥95.0%. The ingredient is suited to specialty cosmetic and personal-care formulation development where solubility, dispersion and finished-product stability are evaluated.
Who This Product Is For
| Customer type | Typical requirement |
|---|---|
| Cosmetic and personal-care manufacturers | Specialty luteolin for leave-on product development |
| Contract formulators and product developers | Vehicle screening, dispersion studies and prototype optimization |
| R&D and technical teams | Compatibility, stability and delivery-system evaluation |
| Specialty ingredient distributors | Documented luteolin powder for qualified manufacturing customers |
Key Specifications
| Product | Luteolin |
|---|---|
| Catalog number | NST-10-77 |
| CAS number | 491-70-3 |
| Molecular formula | C15H10O6 |
| Molecular weight | 286.24 |
| Botanical source | Sophora japonica L., buds |
| Appearance | Fine, pale-yellow powder |
| Purity | ≥98.0% by HPLC |
| Assay | ≥95.0% by HPLC |
| Particle specification | ≥95% passes 80 mesh |
| Shelf life | 24 months when properly stored |
| Storage | Store in a cool, dry place away from light and heat |
Technical & Formulation Considerations
| Water solubility | Luteolin has very low water solubility. Direct addition to a conventional aqueous phase should not be expected to produce a clear solution without validation. |
|---|---|
| Development approach | Evaluate route-appropriate solvent systems, emulsified or colloidal delivery, preconcentrates, or controlled suspension formats. |
| Aqueous stability | Oxygenated neutral or alkaline systems require particular assessment for luteolin content, colour change and oxidation. No universal formulation pH is specified. |
| Appearance impact | The pale-yellow colour and characteristic odour may influence clear, white or lightly fragranced products. |
| Process validation | Confirm compatibility, crystallisation behaviour and stability under the intended manufacturing process, packaging and use conditions. |
Applications
| Development area | Formulation focus |
|---|---|
| Leave-on facial and body products | Solubilized serum, cream and emulgel prototypes |
| Hydroalcoholic systems | Solubility, skin tolerance and evaporation-driven crystallisation studies |
| Specialty cosmetic delivery systems | Emulsified, preconcentrate or colloidal luteolin formats |
| Formula compatibility programs | Assessment of colour, precipitation, preservation and packaging compatibility |
Quality & Documentation
The supplier specification covers TLC identification, separate HPLC purity and assay criteria, loss on drying, residue on ignition, elemental limits by ICP-MS and microbiological criteria using USP methods.
Purity and assay should be retained as distinct product parameters. Suitability should be confirmed in the intended formulation and manufacturing process.
Regulatory Information
For application-specific regulatory information and documentation, please contact NST Chemicals.
Bulk Supply Information
| Minimum order quantity | 10 g |
|---|---|
| Supply location | EU warehouse |
| Larger volumes | Available on request |
| Typical lead time | 5–10 working days |
| Packaging | Plastic bags, bottles or drums depending on quantity |
| Commercial response time | 1–24 hours |
Commercial Supply Program
NST Chemicals supports evaluation quantities, pilot-scale purchasing and larger commercial orders. Consistent sourcing becomes increasingly important when a formulation moves from development to production; see From 10 g to 100 kg: Why Consistent Supply Matters in Ingredient Sourcing.
NST Chemicals Resources
| Company website | nstchemicals.com |
|---|---|
| Ingredient sourcing guidance | Consistent supply from evaluation to commercial scale |
About NST Chemicals
Established in 2017 and headquartered in Latvia, NST Chemicals is a European supplier of phytochemicals, botanical extracts, cosmetic active ingredients, nutraceutical ingredients, and specialty natural compounds. The company supports customers from initial evaluation and product development through commercial-scale purchasing with flexible quantities, technical documentation, transparent communication, and long-term sourcing options.
Request Pricing & Availability
Send your required quantity, application and delivery destination to [email protected] or contact NST Chemicals via WhatsApp at +371 24220280 for pricing, current availability and lead time.
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