Description

(24S)-20,24-Epoxy-25-Hydroxy-5α-Dammaran-3-One CAS NO 35761-54-7 is a high-purity, semi-synthetic triterpenoid derivative belonging to the dammarane class. This compound is of significant interest for its role as a key intermediate in the synthesis of bioactive ginsenosides and other pharmacologically active natural products. It is primarily sought by research institutions and manufacturers in the pharmaceutical, nutraceutical, and advanced organic synthesis sectors for developing novel therapeutic agents and reference standards.

Application

• Pharmaceutical Intermediate: Critical precursor in the semi-synthesis of ginsenosides (e.g., Rg3, Rh2) and other triterpenoid-based active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard and building block in studies investigating the structure-activity relationships of dammarane-type compounds.
• Nutraceutical Development: Serves as a high-purity starting material for the production of standardized botanical extracts and specialized dietary supplements.
• Organic Synthesis: A versatile chiral synthon for constructing complex natural product frameworks and exploring new chemical transformations in laboratory settings.
• Quality Control: Employed as an analytical reference standard for the identification and quantification of related compounds in raw materials and finished products.

Basic Information

Product Name	(24S)-20,24-Epoxy-25-Hydroxy-5α-Dammaran-3-One
CAS No.	35761-54-7
Molecular Formula	C30H50O3
Molecular Weight	458.72 g/mol
Synonyms	(24S)-20,24-Epoxy-25-hydroxydammaran-3-one; 25-Hydroxy-20,24-epoxydammaran-3-one; 20,24-Epoxy-25-hydroxy-5α-dammaran-3-one; Dammarane-3-one, 20,24-epoxy-25-hydroxy-, (24S)-; Ginsenoside precursor; Dammarane triterpenoid intermediate; 5α-Dammaran-3-one, 20,24-epoxy-25-hydroxy-, (24S)-
EINECS	Contact for details

Quality Control

Our (24S)-20,24-Epoxy-25-Hydroxy-5α-Dammaran-3-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific research or cGMP guidelines upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to minimize exposure to atmospheric humidity. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Specific Rotation	Contact for details

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