Description

Rac Desethyl Oxybutynin-D11 Hydrochloride is a deuterated internal standard critical for precise quantitative analysis in pharmaceutical research and development. This high-purity compound is essential for ensuring the accuracy and reliability of mass spectrometry-based bioanalytical methods. It is primarily utilized by analytical chemists and researchers in pharmaceutical companies, contract research organizations (CROs), and academic institutions focused on pharmacokinetics, metabolism studies, and quality control for antimuscarinic agents.

Application

• Internal Standard for LC-MS/MS: Serves as a critical deuterated internal standard for the accurate quantification of oxybutynin and its metabolites in complex biological matrices like plasma, serum, and urine.
• Pharmacokinetic (PK) Studies: Enables precise tracking of drug absorption, distribution, metabolism, and excretion (ADME) profiles in preclinical and clinical research.
• Bioanalytical Method Development & Validation: Used as a reference material to develop, optimize, and validate robust, sensitive, and specific analytical methods compliant with FDA and ICH guidelines.
• Metabolite Identification & Profiling: Aids in the identification and structural elucidation of drug metabolites, facilitating a deeper understanding of metabolic pathways.
• Drug Impurity Testing & Characterization: Supports the analysis and control of potential genotoxic impurities and related substances in active pharmaceutical ingredient (API) batches.
• Forensic & Doping Control Analysis: Applied in specialized testing laboratories for the definitive identification and quantification of specific substances.

Basic Information

Product Name	Rac Desethyl Oxybutynin-D11 Hydrochloride
CAS No.	1216405-15-0
Molecular Formula	C20D11H16NO3•HCl
Molecular Weight	~386.9 g/mol (deuterated form)
Synonyms	Desethyl Oxybutynin-d11 HCl; 4-(Diethylamino)but-2-yn-1-yl 2-cyclohexyl-2-hydroxy-2-phenylacetate-d11 Hydrochloride; Oxybutynin Metabolite M2-d11 Hydrochloride; rac-Desethyloxybutynin-d11 Hydrochloride; (±)-Desethyl Oxybutynin-d11 HCl; 2-Cyclohexyl-2-hydroxy-2-phenylacetic Acid 4-(Diethylamino)-2-butynyl Ester-d11 Hydrochloride; Deuterated Desethyl Oxybutynin HCl
EINECS	Contact for details

Quality Control

Every batch of Rac Desethyl Oxybutynin-D11 Hydrochloride is manufactured and analyzed under strict quality management systems. We guarantee high chemical and isotopic purity to meet the exacting demands of analytical reference standards. Our products undergo rigorous quality testing, including NMR and mass spectrometry for isotopic enrichment verification, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing batch-specific results for purity, assay, and identity are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) or as indicated on the label or COA. This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to maintain stability. For long-term storage, consider desiccated conditions.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (HPLC/MS)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥98.0%
Isotopic Purity (Deuterium Enrichment)	≥98 atom % D
Assay (HPLC)	97.0% - 103.0%
Water Content (KF)	≤1.0%
Residual Solvents (GC)	Complies with ICH limits

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