Description

n-Hexadecyltrimethyl-D3-Ammonium Bromide is a deuterated quaternary ammonium salt, a high-purity isotopically labeled analog of the common cationic surfactant cetyltrimethylammonium bromide (CTAB). This compound is specifically engineered for advanced analytical and research applications where precise molecular tracking is essential. It is primarily utilized by researchers and quality control laboratories in the pharmaceutical, life sciences, and material science sectors for use as an internal standard in mass spectrometry and NMR spectroscopy.

Application

• Internal Standard for Mass Spectrometry (MS): Provides a stable, isotopically labeled reference for the accurate quantification of cetyltrimethylammonium bromide and related surfactants in complex matrices.
• NMR Spectroscopy Studies: Serves as a crucial tool in mechanistic and metabolic pathway research, allowing for clear spectral distinction from its non-deuterated counterpart.
• Pharmaceutical Research & Development: Used in method development and validation for analyzing drug formulations and delivery systems that utilize cationic surfactants.
• Biochemical Research: Applied in studies of membrane proteins, lipid bilayers, and other biomimetic systems where precise surfactant behavior must be monitored.
• Material Science: Acts as a templating agent or structure-directing agent in the synthesis of nanomaterials, with the deuterium label enabling detailed process analysis.
• Environmental and Forensic Analysis: Enables trace-level detection and quantification of quaternary ammonium compounds in environmental samples or consumer products.

Basic Information

Product Name	n-Hexadecyltrimethyl-D3-Ammonium Bromide
CAS No.	1092921-73-7
Molecular Formula	C19D3H39NBr
Molecular Weight	366.43 g/mol (for C19D3H39NBr)
Synonyms	CTAB-d3; Cetyltrimethylammonium-d3 Bromide; Hexadecyltrimethyl-d3-ammonium Bromide; N,N,N-Trimethyl-d3-1-hexadecanaminium Bromide; Deuterated CTAB; Cetrimonium-d3 Bromide; 1-Hexadecanaminium, N,N,N-trimethyl-d3-, bromide; (CD3)3N+(C16H33) Br-
EINECS	Contact for details

Quality Control

Every batch of n-Hexadecyltrimethyl-D3-Ammonium Bromide is produced and tested under strict quality management protocols to ensure the highest isotopic purity and chemical integrity required for analytical applications. Our quality assurance includes comprehensive analysis via NMR, HPLC, and MS to confirm isotopic enrichment and chemical purity. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting batch-specific results.

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). For long-term storage, consider desiccant or inert atmosphere to maintain stability and purity.

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 (Deuterium, NMR/MS)	≥ 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.