Description

Finasteride-D9 is a deuterated internal standard of the pharmaceutical compound finasteride, specifically designed for high-precision analytical applications. This stable isotope-labeled compound is essential for ensuring accuracy and reliability in quantitative mass spectrometry, providing a critical tool for pharmaceutical research and quality control. It is primarily used by analytical laboratories, contract research organizations (CROs), and pharmaceutical manufacturers engaged in method development, pharmacokinetic studies, and impurity profiling.

Application

• Internal standard for the quantitative analysis of finasteride using Liquid Chromatography-Mass Spectrometry (LC-MS/MS).
• Method development and validation in pharmaceutical research and bioanalytical studies.
• Metabolism and pharmacokinetic (DMPK) studies to track drug absorption, distribution, and excretion.
• Quality control and impurity profiling in active pharmaceutical ingredient (API) manufacturing.
• Forensic analysis and doping control for the detection of finasteride and related compounds.
• Reference material for calibrating analytical instruments and ensuring data integrity in GLP/GMP environments.

Basic Information

Product Name	Finasteride-D9
CAS No.	1131342-85-2
Molecular Formula	C₂₃H₃₇D₉N₂O₂
Molecular Weight	379.65 g/mol
Synonyms	Finasteride-d9; N-(1,1-Dimethylethyl)-3-oxo-4-aza-5α-androst-1-ene-17β-carboxamide-d9; 17β-(N-tert-Butylcarbamoyl)-4-aza-5α-androst-1-en-3-one-d9; Finasteride (D9); Finasteride Deuterated Standard; Finasteride Internal Standard; Finasteride-D9 Isotope
EINECS	Contact for details

Quality Control

Our Finasteride-D9 is manufactured under strict quality management systems to ensure the highest isotopic purity and chemical integrity. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing isotopic enrichment, chemical purity, and analytical results from techniques such as NMR and HPLC. We support compliance with GMP/GLP guidelines for reference standards, ensuring reliability for critical pharmaceutical and research applications.

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. For long-term storage, consider desiccation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (MS)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity	≥ 98.0 atom % D
Chemical Purity	≥ 95.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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