Description

3β-(Trifluoroacetyloxy)-5α-Androstan-17-One CAS NO 3959-78-2 is a high-purity synthetic steroid derivative, specifically a trifluoroacetylated androstane, valued for its role as a critical pharmaceutical intermediate and research chemical. Its defined structure and purity are essential for ensuring the consistency and efficacy of downstream synthesis processes. This compound is primarily required by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in the development of steroid-based therapeutics and advanced biochemical studies.

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or precursor in metabolic pathway studies and hormone receptor research.
• Steroid Derivative Synthesis: Serves as a starting material or intermediate for modifying steroid structures to explore new biological activities.
• Analytical Standard: Employed in analytical methods development and validation, such as HPLC or GC-MS, for quality control in steroid manufacturing.
• Academic & Contract Research: Utilized in university and CRO settings for investigative chemistry and pharmacology projects.

Basic Information

Product Name	3β-(Trifluoroacetyloxy)-5α-Androstan-17-One
CAS No.	3959-78-2
Molecular Formula	C22H31F3O3
Molecular Weight	400.48 g/mol
Synonyms	3β-Trifluoroacetoxy-5α-androstan-17-one; 5α-Androstan-17-one, 3β-(trifluoroacetoxy)-; 3β-Hydroxy-5α-androstan-17-one 3-trifluoroacetate; 17-Oxo-5α-androstan-3β-yl trifluoroacetate; Androstan-17-one, 3β-(trifluoroacetoxy)-5α-; 3β-Trifluoroacetoxyandrostan-17-one; 5α-Androstan-3β-ol-17-one trifluoroacetate
EINECS	Contact for details

Quality Control

Our 3β-(Trifluoroacetyloxy)-5α-Androstan-17-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets exacting specifications for research and synthesis. Certificates of Analysis (COA) with detailed batch-specific results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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