Description

3-Acetyloxy-(3Alpha)-Urs-12-En-28-Oic Acid Methyl Ester is a high-purity, semi-synthetic triterpenoid derivative of ursolic acid, valued for its role as a critical pharmaceutical intermediate. This compound is essential for researchers and manufacturers developing novel therapeutic agents, particularly in the fields of oncology, metabolic disorders, and anti-inflammatory treatments. It is primarily sought by pharmaceutical R&D laboratories, fine chemical synthesis facilities, and academic institutions engaged in medicinal chemistry and drug discovery programs.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel ursolic acid analogs with enhanced bioactivity and pharmacokinetic profiles.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies to develop new drug candidates targeting cancer, inflammation, and metabolic diseases.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in pharmaceutical analysis.
• Biochemical Research: Employed in studies investigating the mechanisms of triterpenoids and their interactions with biological pathways.
• Fine Chemical Synthesis: Utilized as a specialized starting material for the custom synthesis of complex organic molecules in contract manufacturing.

Basic Information

Product Name	3-Acetyloxy-(3Alpha)-Urs-12-En-28-Oic Acid Methyl Ester
CAS No.	1261-37-6
Molecular Formula	C33H50O4
Molecular Weight	510.75 g/mol
Synonyms	Methyl 3α-acetoxyurs-12-en-28-oate; 3α-Acetoxyurs-12-en-28-oic Acid Methyl Ester; Urs-12-en-28-oic Acid, 3-(acetyloxy)-, Methyl Ester, (3α)-; Methyl 3-Acetylursolate; 3-Acetylursolic Acid Methyl Ester; Acetylursolic Acid Methyl Ester; 3α-Acetoxy-urs-12-en-28-oic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our 3-Acetyloxy-(3Alpha)-Urs-12-En-28-Oic Acid Methyl Ester is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis. We provide full traceability and Certificates of Analysis (COA) are available for every shipment, ensuring compliance with research and pharmaceutical intermediate standards.

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)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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