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Stable isotopes are non-radioactive forms of atoms. Stable isotope-labeled compounds are substances in which some of the atoms in their molecules have been replaced by stable isotope atoms. Although they do not emit radiation, the presence of the compound or the compound fragment can be traced through its physical, chemical or biological processes for better scientific research according to the characteristics of an isotope atom. Stable isotope-labeled compounds have been used by scientists in a broad variety of fields, including biomedical research, environmental analysis, nutrition assessment, food safety and many others.

Alfa Chemistry can provide plentiful stable isotope-labeled compounds ranging from metal to complex molecules. Our products combine with mass spectrometry and nuclear magnetic resonance (NMR) spectroscopy, which allows rapid acquisition and interpretation of data, has promoted the studies in absorption, distribution, metabolism, and excretion (ADME). Please click on the links below for the most comprehensive products.

Classification by Compound Category

All kinds of stable isotope-labeled compounds can be found in Alfa Chemistry. Please click following links.

Amino acids Vitamins Lipids CarbohydratesNucleic acid related productsDetergentsMetabolitesBuffers & ReagentsFlavours & FragrancesMetalsIsotope-labeled Polymer Isotope-Labeled Environmental Contaminants Isotope-Labeled Synthetic Intermediates Isotope-labeled Pharmaceutical StandardsIsotope-labeled Food & Beverage Standards and Reference MaterialsIsotope-labeled Environmental Standards and Reference MaterialsIsotope-labeled Bioactive CompoundsIsotope-labeled PhosphoramiditesIsotope-labeled Alpha-Keto AcidsIsotope-labeled Cell Growth Media Others

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Classification by Isotopic Labels

According to the different labeled elements, we can offer the following stable isotope-labeled products.

²H labeled compounds

²H labeled compounds show a pronounced isotopic effect in chemical and biological systems.

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¹³C labeled compounds

¹³C labeled compounds have been exploited mostly in metabolic flux analyses, as well as in proteomics and as natural tracer.

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¹⁵N labeled compounds

¹⁵N labeled compounds have been the optimal choice for quantitative proteomics, and also used as tracer in metabolic flux and in ecology.

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¹⁸O labeled compounds

¹⁸O labeled compounds are often used in chemical, biological, agricultural, geological and other scientific research fields.

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¹³C ¹⁵N labeled compounds

Alfa Chemistry can provide a large number of ¹³C ¹⁵N labeled compounds.

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²H ¹³C labeled compounds

Alfa Chemistry can provide a large number of ²H ¹³C labeled compounds.

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²H ¹³C ¹⁵N labeled compounds

Alfa Chemistry can provide a large number of ²H ¹³C ¹⁵N labeled compounds.

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Deuterium Labelled Products-Environmental Standards

Alfa Chemistry can provide a large number of deuterium-labeled products (environmental standards).

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Deuterium Labelled Products-Medical Research

Alfa Chemistry can provide a large number of deuterium-labeled products (medical research).

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Others

Compounds such as ³⁴S and ²H ¹⁵N labeled compounds and metallic isotope products, etc. are available.

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