Description

Monomethyl Phthalate-D4 CAS NO 1276197-40-0 is a deuterium-labeled isotopologue of monomethyl phthalate, serving as a critical internal standard for precise quantitative analysis. This high-purity compound is essential for ensuring accuracy and reliability in sensitive analytical methods, particularly in trace-level detection. It is primarily utilized by analytical laboratories and research institutions in the environmental monitoring, pharmaceutical, and toxicology sectors.

Application

• Internal Standard for Mass Spectrometry (MS): Essential for the accurate quantification of phthalate esters and their metabolites in LC-MS/MS and GC-MS analyses.
• Environmental Analysis: Used in the detection and measurement of phthalate contamination in water, soil, and air samples.
• Biomedical & Toxicology Research: Critical for studying phthalate exposure, metabolism, and pharmacokinetics in biological matrices like urine, blood, and serum.
• Pharmaceutical Impurity Profiling: Aids in the identification and quantification of phthalate-related impurities in drug substances and products.
• Food Safety Testing: Employed in methods to monitor phthalate migration from packaging materials into foodstuffs.
• Method Development & Validation: Serves as a stable, non-interfering reference compound for developing robust analytical protocols.

Basic Information

Product Name	Monomethyl Phthalate-D4
CAS No.	1276197-40-0
Molecular Formula	C9H4D4O4
Molecular Weight	184.18 g/mol
Synonyms	Monomethyl Phthalate-d4; MMP-d4; (Methyl-d3) Hydrogen Phthalate-d; Phthalic Acid Monomethyl Ester-d4; 2-(Methoxy-d3)carbonylbenzoic-3,4,5,6-d4 Acid; Deuterated Monomethyl Phthalate; Monomethyl Phthalate (Ring-d4, Methyl-d3); Isotopic Internal Standard for Phthalate Analysis
EINECS	Contact for details

Quality Control

Our Monomethyl Phthalate-D4 is manufactured under strict quality control protocols to ensure exceptional isotopic purity and chemical stability, meeting the stringent requirements for analytical reference standards. Each batch is supported by a comprehensive Certificate of Analysis (COA) detailing isotopic enrichment, chemical purity, and identity confirmation via spectroscopic methods. We adhere to relevant quality management standards to guarantee batch-to-batch consistency and reliability for your critical research and testing applications.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry, well-ventilated area. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity (D-content)	≥ 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.