Esculin CAS 531-75-9 Bulk Supplier | High-Purity Coumarin Glycoside

Esculin (CAS 531-75-9) is a natural coumarin glycoside primarily extracted from the bark of Aesculus hippocastanum (horse chestnut). Offered as a fine white powder with ≥98% purity (HPLC), it is widely used in cosmetics, nutraceuticals, pharmaceuticals, and biochemical research for its strong antioxidant and photoprotective characteristics.

Product Description

As a naturally derived compound, Esculin combines high analytical purity with versatile applicability across regulated industries. Each batch is produced under strict quality controls, tested for heavy metals via ICP-MS, and verified for microbiological safety using ISO 6579:2002 methods. This ensures consistent assay values and compliance with international quality standards for both R&D and large-scale formulation use.

Technical Properties

• CAS Number: 531-75-9
• Molecular Formula: C₁₅H₁₆O₉
• Molecular Weight: 340.28 g/mol
• Source: Aesculus hippocastanum (bark)
• Appearance: Fine white powder
• Purity: ≥ 98.0% (HPLC)
• Sulfated Ash: ≤ 2.0%
• Water Content: ≤ 10.0%
• Mesh Size: NLT 95% pass 80 mesh
• Bulk Density: NMT 0.8 g/ml
• Heavy Metals: ≤ 10 ppm (Pb ≤ 2 ppm, As ≤ 1 ppm, Hg ≤ 0.1 ppm, Cd ≤ 1 ppm)
• Microbiology: TPC ≤ 10³ CFU/g, TYMC ≤ 10² CFU/g; E. coli, Salmonella, S. aureus absent

Applications & Industries

Esculin’s natural coumarin structure provides multiple functional benefits that make it an ideal ingredient in cosmetics, nutraceuticals, and research-grade formulations.

• Cosmetics: Commonly integrated into formulations targeting “urban defense” and “skin vitality” positioning. Esculin’s antioxidant stability supports photoprotection, improving product shelf life and formulation resilience under UV exposure.
• Nutraceuticals: Utilized in botanical supplement blends emphasizing vascular health and natural protection mechanisms. Its clean plant origin aligns perfectly with modern consumer trends toward herbal and functional formulations.
• Pharmaceuticals: Serves as a quality-controlled natural compound for further synthesis and biochemical reference studies. Its high purity ensures reproducibility in both preclinical and analytical settings.
• Research & Development: Valued in biochemical and analytical research for its stable glycosidic linkage and coumarin core structure. The compound’s consistency across batches makes it suitable for controlled comparison studies.

Key Advantages

Consistent EU-based supply chain: Esculin is stocked in EU warehouses, offering reliable delivery times and simplified logistics. This guarantees fast access for both small laboratories and industrial-scale clients, minimizing downtime and procurement complexity.

Comprehensive analytical validation: Each batch undergoes ICP-MS heavy metal testing and ISO-standard microbiological checks. The strict control process ensures product safety, quality, and full regulatory compatibility in global markets.

Flexible packaging and scalability: Available in laboratory, pilot, and industrial volumes, Esculin adapts easily to development needs from research to full-scale production. Its stable powder form simplifies handling, storage, and formulation integration.

Full documentation and regulatory transparency: Delivered with Certificate of Analysis (COA), MSDS, and HPLC test results, supporting traceability and compliance for customers operating in food, cosmetic, and pharma sectors.

Contact us for Esculin CAS 531-75-9 bulk pricing, documentation, or formulation support.