Description

Betulin CAS NO 473-98-3 is a naturally occurring pentacyclic triterpenoid, primarily extracted from the outer bark of birch trees. This compound is valued for its significant biological activity and serves as a key intermediate in the synthesis of more complex pharmaceutical agents. It is essential for research and development in the pharmaceutical, cosmetic, and nutraceutical industries, where its anti-inflammatory, antiviral, and hepatoprotective properties are of high interest.

Application

• Pharmaceutical Intermediate: A key starting material for the semi-synthesis of betulinic acid and other derivatives with enhanced bioactivity for drug discovery.
• Cosmetic & Skincare Formulations: Incorporated into creams and serums for its anti-inflammatory, wound-healing, and skin-protecting properties.
• Nutraceutical Supplements: Used as an active ingredient in dietary supplements targeting liver health and metabolic support.
• Academic & Industrial Research: Serves as a standard and reagent in pharmacological studies, biochemistry, and natural product chemistry.
• Anti-Cancer Research: Investigated in preclinical studies for its potential cytotoxic effects against various cancer cell lines.
• Functional Material Precursor: Explored for creating novel biomaterials and coatings due to its unique chemical structure.

Basic Information

Product Name	Betulin
CAS No.	473-98-3
Molecular Formula	C30H50O2
Molecular Weight	442.72 g/mol
Synonyms	Betulinol; Birch Camphor; Lup-20(29)-ene-3β,28-diol; Trochol; Betulinol Extra; Betuline; Betula camphor; 3β,28-Dihydroxylup-20(29)-ene
EINECS	207-475-5

Quality Control

Our Betulin is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive quality documentation, including Certificates of Analysis (COA) with detailed HPLC purity data, identity confirmation (IR, NMR), and residual solvent analysis. Our standard grade meets the requirements for research and industrial use, with specifications tailored to customer needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Melting Point	248°C - 258°C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.