Description

Dimethyl Terephthalate-2,3,5,6-D4 is a deuterium-labeled isotopologue of dimethyl terephthalate (DMT), a key monomer in polymer chemistry. This compound is specifically designed for use as an internal standard in quantitative analytical methods, providing unmatched precision in mass spectrometry and NMR studies. It is essential for researchers and quality control laboratories in the pharmaceutical, polymer science, and advanced materials sectors who require high-fidelity isotopic labeling for trace analysis and metabolic pathway elucidation.

Application

• Internal Standard for Mass Spectrometry (MS): Used for the accurate quantification of dimethyl terephthalate and related compounds in complex matrices.
• NMR Spectroscopy Studies: Serves as a non-interfering tracer for mechanistic studies and structural analysis in polymer and organic chemistry research.
• Pharmaceutical Research: Employed in drug metabolism and pharmacokinetics (DMPK) studies to track the fate of terephthalate-based molecules.
• Polymer Science & Development: Acts as a labeled precursor or tracer in the research and development of polyethylene terephthalate (PET) and other polyesters.
• Environmental & Food Safety Testing: Facilitates the sensitive detection and quantification of terephthalate contaminants or migrants.
• Isotope Dilution Analysis: Critical for achieving high accuracy and precision in analytical methods where absolute quantification is required.

Basic Information

Product Name	Dimethyl Terephthalate-2,3,5,6-D4
CAS No.	74079-01-9
Molecular Formula	C10H6D4O4
Molecular Weight	198.21 g/mol
Synonyms	Dimethyl Terephthalate-d4; DMT-d4; 1,4-Benzenedicarboxylic Acid, Dimethyl Ester-2,3,5,6-d4; Terephthalic Acid Dimethyl Ester-d4; Methyl 4-(methoxycarbonyl)benzoate-d4; DMT Isotopologue; Deuterated Dimethyl Terephthalate; [2,3,5,6-2H4]-Dimethyl Terephthalate
EINECS	Contact for details

Quality Control

Our deuterated standards are produced under controlled conditions to ensure exceptional isotopic purity and chemical integrity. Each batch is characterized by advanced analytical techniques including NMR, GC-MS, and HPLC to confirm isotopic enrichment and chemical purity. Certificates of Analysis (COA) detailing lot-specific data are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry environment. For long-term stability, consider storage under inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥98.0% (chemical purity)
Isotopic Purity (NMR/MS)	≥98 atom % D
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.