Description

Isonicotinic-D4 Acid CAS NO 53907-55-4 is a deuterium-labeled isotopologue of isonicotinic acid, a key pyridine derivative. This labeled compound is essential for advanced analytical and research applications where precise molecular tracking is required. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and analytical chemistry sectors for use as an internal standard, tracer, or building block in the synthesis of deuterated active pharmaceutical ingredients (APIs).

Application

• Internal Standard for Quantitative Analysis (e.g., LC-MS, GC-MS)
• Tracer in Metabolic and Pharmacokinetic Studies
• Deuterated Building Block for Pharmaceutical Synthesis
• Intermediate for Labeled Agrochemicals and Specialty Chemicals
• Research Tool in NMR Spectroscopy and Mechanistic Studies
• Precursor for Deuterated Liquid Crystals and Electronic Materials

Basic Information

Product Name	Isonicotinic-D4 Acid
CAS No.	53907-55-4
Molecular Formula	C6D4HNO2
Molecular Weight	127.13 g/mol
Synonyms	4-Pyridinecarboxylic-d4 acid; Deuterated Isonicotinic Acid; 4-Carboxy-d4-pyridine; Pyridine-4-carboxylic-d4 acid; Isonicotinic Acid-d4; 4-Deuteropyridinecarboxylic Acid; (2,3,5,6-D4)Pyridine-4-carboxylic Acid
EINECS	Contact for details

Quality Control

Our Isonicotinic-D4 Acid is produced under strict quality control protocols to ensure high chemical purity and isotopic enrichment. Each batch is characterized by advanced analytical techniques, including NMR and Mass Spectrometry, to confirm deuteration level and chemical identity. Certificates of Analysis (COA) detailing purity, isotopic enrichment, and other critical parameters are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Deuteration Degree (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.