Description

(17β)-2-(Acetyl-13C)-17-(Benzoyloxy)-4-Oxaandrost-5-En-3-One CAS NO 1346597-33-8 is a high-purity, carbon-13 labeled steroid derivative, specifically designed for advanced research and development applications. This compound is critical for pharmaceutical and analytical laboratories requiring precise isotopic labeling for metabolic studies, tracer analysis, and method development. It is primarily utilized by researchers in drug discovery, forensic analysis, and regulatory testing who demand exceptional isotopic purity and structural integrity for accurate and reliable results.

Application

• Pharmaceutical Research & Development: As a stable isotope-labeled internal standard for the quantitative bioanalysis of steroid-based drugs and metabolites using LC-MS/MS.
• Metabolic Pathway Studies: Tracer compound for investigating the absorption, distribution, metabolism, and excretion (ADME) profiles of related pharmaceutical compounds.
• Forensic and Doping Control Analysis: Reference material for the precise identification and quantification of anabolic agents and their metabolites in biological samples.
• Method Development and Validation: Critical standard for developing and validating highly sensitive and specific analytical methods in compliance with GLP and GMP guidelines.
• Chemical Synthesis Intermediates: Advanced building block for the synthesis of novel, isotopically labeled steroid analogs for research purposes.

Basic Information

Product Name	(17β)-2-(Acetyl-13C)-17-(Benzoyloxy)-4-Oxaandrost-5-En-3-One
CAS No.	1346597-33-8
Molecular Formula	C28H3413CO5
Molecular Weight	~ 453.6 g/mol (with 13C)
Synonyms	2-(Acetyl-13C)-17β-Benzoyloxy-4-Oxa-5α-Androst-5-En-3-One; 13C-Labeled 17β-Benzoyloxy-4-oxaandrost-5-en-3-one-2-acetate; 4-Oxaandrost-5-ene-3-one, 17-(benzoyloxy)-2-(acetyl-13C)-, (17β)-; Carbon-13 labeled steroid intermediate; Isotopically labeled steroid derivative; [2-13C]-Acetyl labeled analog.
EINECS	Contact for details

Quality Control

Every batch of this carbon-13 labeled compound is produced and tested under strict quality systems to ensure isotopic and chemical purity essential for research integrity. Our products undergo rigorous quality testing, including advanced spectroscopic and chromatographic methods, to ensure compliance with exacting customer specifications. A comprehensive Certificate of Analysis (COA) detailing isotopic enrichment, chemical purity, and identity confirmation is provided with each 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). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to maintain stability and purity. For long-term storage, consider desiccated conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Isotopic Enrichment (13C)	≥ 99 atom % 13C
Chemical Purity	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Complies with ICH guidelines

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