Description

4-Nitrophenol-2,3,5,6-D4 is a deuterium-labeled isotopologue of 4-nitrophenol, a key phenolic compound. This labeled standard is critical for ensuring analytical accuracy and reliability in quantitative mass spectrometry and NMR studies. It is primarily utilized by researchers and quality control laboratories in the pharmaceutical, agrochemical, and environmental science sectors for use as an internal standard in method development and validation.

Application

• Internal Standard for Quantitative Analysis (qNMR, LC-MS, GC-MS)
• Metabolite Tracing and Pharmacokinetic Studies in Pharmaceutical R&D
• Environmental Fate and Degradation Studies of Nitrophenol Contaminants
• Enzyme Activity Assays (e.g., phosphatase, esterase) using deuterated substrates
• Stable Isotope Labeling in Organic Synthesis and Mechanistic Studies
• Calibration Standard for Analytical Instrumentation and Method Validation
• Biochemical Research involving nitrophenol-based chromogenic reactions

Basic Information

Product Name	4-Nitrophenol-2,3,5,6-D4
CAS No.	93951-79-2
Molecular Formula	C6D4HNO3
Molecular Weight	142.13 g/mol
Synonyms	4-Nitrophenol-d4; p-Nitrophenol-d4; Deuteronitro-D4; 2,3,5,6-Tetradeutero-4-nitrophenol; 4-Hydroxy-2,3,5,6-tetradeuteronitrobenzene; PNP-d4; 4-NP-d4; [2,3,5,6-2H4]-4-Nitrophenol
EINECS	Contact for details

Quality Control

Our 4-Nitrophenol-2,3,5,6-D4 is manufactured under strict quality protocols to ensure high isotopic and chemical purity. Each batch is supported by a comprehensive Certificate of Analysis (COA) detailing key parameters such as isotopic enrichment (Atom % D), chemical purity by HPLC, and identity confirmation by NMR and MS. We adhere to relevant industry standards for stable isotope-labeled compounds, and custom specifications for GMP or research-grade materials are available.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term stability, consider storage under an inert atmosphere.

Specification

Item	Specification
Appearance	Yellow to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥98.0% (chemical purity)
Isotopic Enrichment	≥98.0 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.