Description

(20R)-5α-Lanosta-7,9(11)-Diene-3β,18,20-Triol 3,18-Diacetate CAS NO 24041-72-3 is a high-purity, semi-synthetic lanostane-type triterpenoid derivative. This compound is of significant interest for its role as a key intermediate in the synthesis of bioactive molecules and for its potential in advanced pharmaceutical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, biotechnology, and fine chemical sectors for applications in drug discovery and development.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel steroid-like compounds and triterpenoid derivatives with potential therapeutic activity.
• Biochemical Research: Used as a reference standard or precursor in studies investigating enzyme inhibition, receptor binding, and metabolic pathways involving lanostane structures.
• Organic Synthesis: Serves as a versatile chiral starting material for the preparation of complex natural product analogs and specialized fine chemicals.
• Drug Discovery Programs: Employed in medicinal chemistry to explore structure-activity relationships (SAR) and develop new chemical entities targeting various diseases.
• Academic Research: Utilized in university and institutional labs for fundamental studies in organic chemistry and natural product chemistry.

Basic Information

Product Name	(20R)-5α-Lanosta-7,9(11)-Diene-3β,18,20-Triol 3,18-Diacetate
CAS No.	24041-72-3
Molecular Formula	C34H52O6
Molecular Weight	556.78 g/mol
Synonyms	3β,18-Diacetoxy-5α-lanosta-7,9(11)-diene-20R-ol; 20(R)-3β,18-Diacetoxy-5α-lanosta-7,9(11)-dien-20-ol; Lanosta-7,9(11)-diene-3β,18,20-triol 3,18-diacetate, (20R)-; 5α-Lanosta-7,9(11)-diene-3β,18,20-triol 3,18-diacetate; (20R)-3β,18-Diacetoxy-5α-lanosta-7,9(11)-dien-20-ol; A key intermediate for Cucurbitacin synthesis
EINECS	Contact for details

Quality Control

Our (20R)-5α-Lanosta-7,9(11)-Diene-3β,18,20-Triol 3,18-Diacetate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 5.0%

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