Description

Urs-12-En-11-One, 3-(Acetyloxy)-, (3β)- is a high-purity steroidal intermediate of significant interest in advanced organic synthesis. This compound matters as a versatile and critical building block for the development of novel pharmaceutical agents and fine chemicals. It is primarily needed by research institutions and manufacturers in the pharmaceutical, biotechnology, and specialty chemical industries for the synthesis of complex bioactive molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of steroidal drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or starting material in metabolic pathway studies and hormone-related research.
• Fine Chemical Synthesis: Serves as a sophisticated building block for creating complex molecular architectures in custom synthesis projects.
• Academic & Industrial R&D: Employed in discovery chemistry for developing new therapeutic candidates with modified steroidal frameworks.

Basic Information

Product Name	Urs-12-En-11-One, 3-(Acetyloxy)-, (3β)-
CAS No.	2348-66-5
Molecular Formula	C32H50O3
Molecular Weight	482.74 g/mol
Synonyms	3β-Acetoxyurs-12-en-11-one; 11-Oxours-12-en-3β-yl acetate; Urs-12-en-11-one, 3-(acetyloxy)-, (3β)-; 3β-Hydroxyurs-12-en-11-one acetate; 3-Acetylurs-12-en-11-one; 3β-Acetoxy-11-oxours-12-ene; Acetylated ursene derivative
EINECS	Contact for details

Quality Control

Our Urs-12-En-11-One, 3-(Acetyloxy)-, (3β)- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and spectroscopic methods, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.