Description

1-(Methyl-D3)-4-Nitro-1H-Pyrazole CAS NO 1447606-92-9 is a deuterated pyrazole derivative, a stable isotope-labeled compound of significant value in advanced research and development. Its core utility lies in serving as a critical internal standard and tracer in quantitative analytical methods, enabling precise measurement and metabolic pathway elucidation. This high-purity specialty chemical is primarily required by pharmaceutical R&D laboratories, contract research organizations (CROs), and agrochemical innovators for applications in drug discovery, metabolism studies, and environmental fate analysis.

Application

• Internal Standard for LC-MS/MS: Used as a deuterium-labeled internal standard in Liquid Chromatography-Mass Spectrometry for the accurate quantification of its non-deuterated analog or related pyrazole compounds in complex biological matrices.
• Metabolic Studies: Employed in pharmaceutical and agrochemical research to trace and identify metabolites, leveraging the isotopic mass shift for clear differentiation from endogenous compounds.
• Drug Discovery & Development: Serves as a key building block or reference material in the synthesis and analysis of novel therapeutic agents, particularly in oncology and inflammation research.
• Environmental Analysis: Acts as a tracer in studies investigating the environmental degradation and fate of nitro-pyrazole-based chemicals.
• Stable Isotope Labeling: Provides a non-radioactive, safe labeling option for mechanistic studies in chemical and biochemical reaction pathways.
• Quality Control Reference: Used in the quality assurance and method validation processes within analytical laboratories to ensure accuracy and reproducibility.

Basic Information

Product Name	1-(Methyl-D3)-4-Nitro-1H-Pyrazole
CAS No.	1447606-92-9
Molecular Formula	C4D3H2N3O2
Molecular Weight	130.11 g/mol
Synonyms	1-(Trideuteriomethyl)-4-nitro-1H-pyrazole; 4-Nitro-1-(trideuteromethyl)-1H-pyrazole; 1-(Methyl-d3)-4-nitro-1H-pyrazole; Deuterated 4-Nitro-1-methylpyrazole; d3-1-Methyl-4-nitropyrazole; 1-(CD3)-4-NO2-1H-Pyrazole; 4-Nitro-1-methyl-d3-pyrazole
EINECS	Contact for details

Quality Control

Our 1-(Methyl-D3)-4-Nitro-1H-Pyrazole is manufactured under strict quality management systems to ensure the high isotopic purity and chemical integrity required for sensitive analytical applications. Each batch undergoes comprehensive analysis, including NMR (¹H, ²H, ¹³C) for isotopic enrichment verification and HPLC for chemical purity assessment. Certificates of Analysis (COA) detailing all specifications are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep the container sealed to protect the deuterated compound from atmospheric moisture and potential exchange.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity (²H NMR)	≥ 98 atom % D
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Complies with ICH guidelines

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