Betulin CAS 473-98-3 Bulk Supplier | High-Purity Birch Extract Triterpene

Betulin (CAS 473-98-3) is a high-purity triterpene compound naturally derived from birch bark. Supplied as a fine white to off-white powder, it is widely applied in nutraceuticals, pharmaceuticals, cosmetics, and fine chemical industries. With ≥98% purity confirmed by HPLC, Betulin bulk powder is valued for its stability, versatility, and natural origin.

Product Description

As one of the most characteristic birch-derived triterpenes, Betulin is recognized for its polycyclic structure and multifunctional applications. It is produced under strict quality standards, with controlled heavy metals, microbiological safety, and particle size uniformity (≥95% through 80 mesh). This ensures consistent performance across laboratory, pilot, and industrial-scale projects.

Technical Properties

• CAS Number: 473-98-3
• Molecular Formula: C₃₀H₅₀O₂
• Molecular Weight: 442.73 g/mol
• Appearance: Fine white to off-white powder
• Purity: ≥ 98.0% (HPLC)
• Odor & Taste: Characteristic
• Sulfated Ash: ≤ 2.0%
• Loss on Drying: ≤ 3.0%
• Mesh Size: ≥95% through 80 mesh
• Bulk Density: ≤ 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

Betulin bulk powder is valued across multiple industries for its natural sourcing and multifunctional chemistry. Its bioactive triterpene profile makes it suitable for innovation in supplements, skincare, and chemical development.

• Pharmaceuticals: Betulin is widely used in formulation research and synthetic drug development as a triterpene reference compound. Its reproducible quality supports analytical studies and enables consistent results in preclinical investigations.
• Nutraceuticals: As a natural birch bark extract, Betulin is included in dietary supplements that emphasize botanical origin and purity. Its triterpene profile allows manufacturers to highlight “plant-based” and “science-backed” product concepts.
• Cosmetics: Incorporated into premium formulations targeting skin protection, balance, and vitality. Its natural source supports clean-label beauty products positioned under “botanical innovation” and “urban defense” narratives.
• Biochemical Research: Betulin serves as a model triterpene for laboratory and structural studies. Researchers value its defined purity and reproducibility when investigating complex plant-based compounds.
• Chemical Industry: Used as a starting material and intermediate in fine chemical synthesis. Its polycyclic skeleton provides a valuable building block for derivatives and functionalized triterpenes.

Key Advantages

EU-based bulk supplier with reliable stock: NST Chemicals ensures Betulin is available directly from its EU warehouse, reducing delivery times and logistics costs for European clients. Manufacturers benefit from stable access to high-purity raw material without relying on long international supply chains.

Strict quality standards covering heavy metals and microbiology: Each batch of Betulin is tested for Pb, As, Hg, and Cd, with results kept well below international limits. Microbiological safety is confirmed by absence of E. coli, Salmonella, and S. aureus, ensuring suitability for nutraceutical, pharmaceutical, and cosmetic applications.

Customizable packaging from R&D to industrial scale: Betulin is available in packaging formats suitable for laboratory trials, pilot runs, and full industrial use. This flexibility allows seamless scale-up and consistency across all stages of production, supporting both niche projects and high-volume needs.

Full technical documentation with every order: Deliveries include a Certificate of Analysis (COA), MSDS, and detailed analytical data. This transparency supports audits, regulatory compliance, and secure traceability, making integration into manufacturing and research projects straightforward.

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