Description

Benzyl 4‐Hydroxybenzoate‐2,3,5,6‐D4 is a deuterium-labeled analog of benzyl paraben, a compound widely used as a preservative and intermediate. This stable isotope-labeled version is essential for use as an internal standard in quantitative analytical methods, ensuring high accuracy and reliability in trace-level detection. It is primarily required by analytical laboratories, pharmaceutical researchers, and chemical manufacturers engaged in method development, quality control, and pharmacokinetic studies where precise measurement of the parent compound is critical.

Application

• Internal Standard for LC-MS/MS and GC-MS analysis of parabens and related compounds.
• Quantitative reference material in pharmaceutical impurity profiling and stability studies.
• Tracer compound in metabolic and pharmacokinetic research within drug development.
• Calibration standard for environmental monitoring of preservatives in water and consumer products.
• High-purity reagent for synthesizing deuterated derivatives for advanced research.
• Quality control standard in the production of cosmetics and personal care products.

Basic Information

Product Name	Benzyl 4‐Hydroxybenzoate‐2,3,5,6‐D4
CAS No.	1219805-81-8
Molecular Formula	C14H8D4O3
Molecular Weight	234.26 g/mol
Synonyms	Benzyl Paraben-d4; Benzyl 4-Hydroxybenzoate-d4; Deutero Benzyl Paraben; Benzyl p-Hydroxybenzoate-2,3,5,6-d4; Benzyl Paraben (phenyl-d4); Benzyl 4-Carboxyphenolate-d4 Ester; Benzyl Paraben Internal Standard
EINECS	Contact for details

Quality Control

Our Benzyl 4‐Hydroxybenzoate‐2,3,5,6‐D4 is produced under strict quality management systems to ensure the high chemical purity and isotopic enrichment required for analytical applications. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing parameters such as isotopic purity, chemical purity by HPLC, and identity confirmation. We support compliance with relevant pharmacopeial and ISO guidelines for reference materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
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.