Description

4-Acetylbutyric Acid-D5 is a stable isotope-labeled analog of 4-acetylbutyric acid, where five hydrogen atoms are replaced with deuterium. This deuteration is critical for applications requiring high analytical precision and minimal background interference, such as mass spectrometry. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and analytical chemistry sectors for use as an internal standard, a metabolic tracer, or a precursor in the synthesis of labeled compounds.

Application

• Internal Standard for Quantitative Analysis: Essential in LC-MS and GC-MS for the accurate quantification of 4-acetylbutyric acid and related metabolites in complex biological matrices.
• Metabolic Pathway Tracing: Used in pharmacokinetic and drug metabolism studies to track the distribution and biotransformation of compounds without isotopic interference.
• Synthetic Precursor: Serves as a key building block for the synthesis of more complex deuterium-labeled pharmaceutical intermediates and active ingredients.
• Proteomics and Biomarker Research: Facilitates relative and absolute quantification in proteomic workflows and the discovery of disease biomarkers.
• Environmental Fate Studies: Employed in agrochemical research to study the environmental degradation and metabolism of chemical agents.
• NMR Spectroscopy: Useful as a solvent or reagent in nuclear magnetic resonance spectroscopy due to its distinct spectral properties.

Basic Information

Product Name	4-Acetylbutyric Acid-D5
CAS No.	1246817-13-9
Molecular Formula	C₆H₃D₅O₃
Molecular Weight	135.16 g/mol (approx.)
Synonyms	5-Oxohexanoic-2,2,4,4,6,6-d5 acid; 4-Acetylbutyric-d5 acid; 5-Oxohexanoic-d5 acid; Deuterated Levulinic Acid (partial); [2H5]-4-Acetylbutanoic Acid; 4-Acetyl[2,2,4,4,6,6-2H5]butyric Acid; (4-Oxobutyl-d5)-acetic Acid
EINECS	Contact for details

Quality Control

Every batch of 4-Acetylbutyric Acid-D5 is produced and tested under strict quality management protocols to ensure exceptional isotopic purity and chemical integrity, which are paramount for research and regulatory submissions. We provide comprehensive Certificates of Analysis (COA) detailing isotopic enrichment (atom % D), chemical purity, and identity confirmation. Our quality systems support compliance with cGMP and ICH guidelines for advanced pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. This product is hygroscopic (moisture-sensitive); ensure the container is sealed under an inert atmosphere after each use to maintain stability and prevent degradation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity (Atom % D)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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