Description

Ethynyl-2-13C-Benzene is a stable isotope-labeled aromatic compound where the carbon atom at the 2-position is enriched with carbon-13. This precise labeling is critical for applications requiring high-resolution molecular tracking and analysis, offering distinct advantages in research accuracy and data clarity. It is an essential building block and tracer for scientists and manufacturers in advanced analytical chemistry, pharmaceutical development, and materials science.

Application

• Internal Standard for Mass Spectrometry (MS): Used as a quantitative reference in GC-MS and LC-MS analyses for accurate measurement of benzene derivatives and related compounds.
• Metabolic Pathway Tracing: Serves as a 13C-labeled tracer in pharmaceutical and biochemical research to study drug metabolism and biological synthesis pathways.
• NMR Spectroscopy: Provides a distinct signal in 13C NMR for structural elucidation and reaction mechanism studies in complex organic molecules.
• Pharmaceutical Intermediate: Acts as a labeled precursor in the synthesis of deuterated or isotopically labeled active pharmaceutical ingredients (APIs) for clinical research.
• Polymer & Materials Science: Employed in the development of novel labeled polymers and advanced materials where tracking specific molecular incorporation is required.
• Environmental Analysis: Used as a spike in method development and recovery studies for detecting aromatic pollutants and volatile organic compounds (VOCs).

Basic Information

Product Name	Ethynyl-2-13C-Benzene
CAS No.	54522-92-8
Molecular Formula	C8H6 (13C at position 2)
Molecular Weight	103.14 g/mol (for 13C-labeled form)
Synonyms	2-Ethynylbenzene-2-13C; (2-13C)Phenylacetylene; 2-13C-Labeled Phenylacetylene; Benzene, ethynyl-2-13C-; o-Ethynylbenzene-13C; 1-Ethynyl-2-13C-benzene; Isotope-labeled Phenylacetylene; 13C-Phenylacetylene
EINECS	Contact for details

Quality Control

Our Ethynyl-2-13C-Benzene is produced and tested under stringent quality management systems to ensure batch-to-batch consistency and high isotopic purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters including isotopic enrichment, chemical purity, and identity confirmation. We support compliance with relevant research and development standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage under an inert atmosphere (e.g., argon or nitrogen) is recommended to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Isotopic Enrichment (13C)	≥ 99 atom %
Chemical Purity (HPLC)	≥ 97.0%

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