Description

n-Hexadecylpyridinium-D5 Bromide is a deuterated quaternary ammonium salt, specifically a perdeuterated analog of cetylpyridinium bromide. This compound is a critical tool in analytical chemistry and life sciences, where its isotopic labeling enables precise tracking and quantification in complex systems. It is primarily required by researchers and manufacturers in the pharmaceutical, agrochemical, and advanced material sectors for use as an internal standard, tracer, or in mechanistic studies.

Application

• Internal Standard for Mass Spectrometry (MS): Essential for the accurate quantitative analysis of its non-deuterated counterpart, cetylpyridinium bromide, in LC-MS and GC-MS methods, ensuring data reliability in pharmacokinetic and metabolic studies.
• Tracer in Mechanistic Research: Used to investigate reaction pathways, adsorption mechanisms, and metabolic pathways in chemical, biological, and material science research due to its isotopic signature.
• Pharmaceutical R&D: Employed in the development and validation of analytical methods for antiseptic and preservative formulations containing quaternary ammonium compounds.
• Surface Science Studies: Acts as a deuterated probe for studying self-assembly, micelle formation, and interfacial behaviors using techniques like NMR spectroscopy.
• Quality Control & Reference Standard: Serves as a certified reference material (CRM) for calibrating instruments and verifying the purity of commercial cetylpyridinium bromide batches.

Basic Information

Product Name	n-Hexadecylpyridinium-D5 Bromide
CAS No.	143715-91-7
Molecular Formula	C21D5H31BrN
Molecular Weight	~388.39 g/mol
Synonyms	Hexadecylpyridinium-D5 Bromide; Cetylpyridinium-D5 Bromide; 1-Hexadecylpyridinium-D5 Bromide; N-Cetylpyridinium-D5 Bromide; N-Hexadecylpyridinium-D5 Bromide; CPC-D5; Pyridinium, 1-hexadecyl-, bromide, D5; Deuterated Cetylpyridinium Bromide
EINECS	Contact for details

Quality Control

Our n-Hexadecylpyridinium-D5 Bromide is manufactured under strict quality systems to ensure high isotopic purity and chemical integrity, essential for its role as a reference standard. Each batch is characterized by NMR (¹H, ²H) and High-Resolution Mass Spectrometry (HRMS) to confirm deuteration level and identity. A comprehensive Certificate of Analysis (COA) detailing isotopic purity, chemical purity (by HPLC), and other critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept under anhydrous conditions. For long-term storage, consider desiccation or an inert atmosphere to maintain stability and isotopic integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity (²H NMR)	≥ 98 atom % D
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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