Description

3β-Acetoxy-13-Hydroxyurs-11-Ene-28-Oic Acid Lactone is a high-purity, semi-synthetic triterpenoid derivative of ursolic acid. This compound is valued for its role as a critical pharmaceutical intermediate and a versatile scaffold in medicinal chemistry research. It is primarily sought by research institutions and manufacturers in the pharmaceutical and nutraceutical sectors for the development of novel therapeutic agents.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel anti-inflammatory, anti-cancer, and hepatoprotective drug candidates.
• Medicinal Chemistry Research: Used as a core scaffold for structure-activity relationship (SAR) studies to optimize biological activity and pharmacokinetic properties.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in laboratories.
• Natural Product Derivatization: Used to create semi-synthetic analogs of ursolic acid with enhanced bioavailability or targeted activity.
• Biochemical Research: Employed in studies investigating triterpenoid signaling pathways and mechanisms of action at the cellular level.

Basic Information

Product Name	3β-Acetoxy-13-Hydroxyurs-11-Ene-28-Oic Acid Lactone
CAS No.	35959-08-1
Molecular Formula	C32H46O5
Molecular Weight	510.71 g/mol
Synonyms	Ursolic Acid 3-Acetate Lactone; 3β-Acetoxyurs-11-en-13β,28-olide; 13-Hydroxy-3β-acetoxyurs-11-en-28-oic acid δ-lactone; 3β-Acetoxy-13-hydroxyurs-11-en-28-oic acid lactone; 3-Acetylursolic acid lactone; Ursolic acid 3-O-acetate lactone; (3β,13β)-3-(Acetyloxy)-13-hydroxyurs-11-en-28-oic acid, γ-lactone
EINECS	Contact for details

Quality Control

Our 3β-Acetoxy-13-Hydroxyurs-11-Ene-28-Oic Acid Lactone is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 strong alkalis and incompatible organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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