Isotopically Labeled Compounds
Cayman Chemical AmprenavIr-d4 500ug
An internal standard for the quantification of amprenavir by GC- or LC-MS
Cayman Chemical RIocIguat-13C-d3 1mg
An internal standard for the quantification of riociguat by GC- or LC-MS
Medchemexpress LLC 16:0-18:1 PA-d31 sodium | 474943-59-4 | 99.0% | 728.10 | 1 MG
16:0-18:1 PA-d31 (sodium) is deuterium labeled 16:0-18:1 PA (sodium). It is for research use only and not sold to patients. Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration has potential to affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Dexamethasone-d3-1 | 50-02-2 | 98.02% | 395.48 | 1 MG
Dexamethasone-d3-1 is a deuterium-labeled Dexamethasone. It acts as a glucocorticoid receptor agonist and is known to decrease CD11b, CD18, and CD62L expression on neutrophils, as well as CD11b and CD18 expression on monocytes. This compound is intended for research use only and can be utilized as a tracer or an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Effective in controlling COVID-19 infection
- Inhibits the production of exosomes containing inflammatory microRNA-155 in lipopolysaccharide-induced macrophage inflammatory responses
Cambridge Isotope Laboratories ETHANE (1-13C, 99%), 0.25 L, 6145-17-1
ETHANE (1-13C, 99%), 0.25 L, 6145-17-1
Medchemexpress LLC 3,4,5-trihydroxybenzoic acid-d2 | 294660-92-7 | MFCD01311698 | 99.6% | 172.13 | C7H4D2O5 | 10 MG
Gallic acid-d2 (3,4,5-trihydroxybenzoic acid-d2) is a deuterium-labeled analog of gallic acid used as a stable isotope standard and tracer in analytical and metabolic studies. It provides a mass-shifted internal standard for LC-MS/MS and GC-MS assays, supporting accurate quantitation and metabolic tracing.
- High isotopic purity (99.59%) for reliable mass spectrometry results.
- Suitable as an internal standard for LC-MS/MS and GC-MS assays.
- Useful for metabolic tracing and isotope-dilution quantification.
- Comes as a 10 mg analytical pack for method development and calibration.
- Chemical identifiers: CAS 294660-92-7; molecular weight 172.13 g/mol.
Cambridge Isotope Laboratories METHANESULFONIC ACID-D4 (D, 97-98%), 5 G
METHANESULFONIC ACID-D4 (D, 97-98%), 5 G
Medchemexpress LLC Pyrrolidin-3-ol-d5 | 1219805-52-3 | 92.15 g/mol | C4H4D5NO | 5 MG
Pyrrolidin-3-ol-d5 is a deuterium-labeled analogue of pyrrolidin-3-ol supplied as a small milligram vial for use as a tracer and internal standard in quantitative analysis by NMR, GC-MS, and LC-MS.
- Deuterium-labeled tracer and internal standard.
- Used for quantitative analysis by NMR, GC-MS, and LC-MS.
- Offered in small milligram pack sizes for analytical workflows.
- Storage: pure form -20°C; in solvent -80°C (short term) or -20°C.
[C@@H]1OP(O)(O)=O)n1cnc2c(N)ncnc12)[C@@H](O)C(=O)NCCC(=O)NCCS[13C]([13CH3])=O | 1mg | 866849471](https://assets.fishersci.com/TFS-Assets/CCG/product-images/NC3974590.jpg-250.jpg)
eMolecules Acetyl-1,2-13C2 Coenzyme A Sodium Salt (~2% Unlabelled) | Toronto Research Chemicals |811.550 | C23H38N7O17P3SCC(C)(COP(O)(=O)OP(O)(=O)OCC1O[C@H]([C@H](O)[C@@H]1OP(O)(O)=O)n1cnc2c(N)ncnc12)[C@@H](O)C(=O)NCCC(=O)NCCS[13C]([13CH3])=O | 1mg | 866849471
Acetyl-1,2-13C2 Coenzyme A Sodium Salt (~2% Unlabelled) | Toronto Research Chemicals |811.550 | C23H38N7O17P3SCC(C)(COP(O)(=O)OP(O)(=O)OCC1O[C@H]([C@H](O)[C@@H]1OP(O)(O)=O)n1cnc2c(N)ncnc12)[C@@H](O)C(=O)NCCC(=O)NCCS[13C]([13CH3])=O | 1mg | 866849471
Medchemexpress LLC Fumaric acid-d4 | 194160-45-7 | MFCD00190450 | 98.0% | 120.10 g·mol^-1 | C4D4O4 | 50 MG
Fumaric acid-d4 is the deuterium-labeled analogue of fumaric acid supplied as a stable isotope standard for analytical and research use. It is intended for metabolomics, tracer studies, and mass spectrometry assays requiring isotopically labeled internal standards, and supports investigations into fumarase deficiency and oncometabolite pathways.
- Deuterium-labeled internal standard for analytical assays.
- Molecular formula C4D4O4, molecular weight 120.10 g·mol^-1.
- High isotopic enrichment suitable for mass spectrometry.
- Available in small pack sizes appropriate for research workflows.
- Used in metabolomics, tracer, and biochemical pathway studies.
Medchemexpress LLC DL-Aspartic acid-d3 | 14341-75-4 | MFCD00144167 | 99.6% | 136.12 g/mol | C4H4D3NO4 | 10 MG
DL-Aspartic acid-d3 is a deuterium-labeled form of DL-aspartic acid used as a stable isotope tracer in biochemical and pharmacological research. Supplied as a white to off-white solid in small research pack sizes, it supports studies of amino acid metabolism, prodrug design targeting colon tissues, and inflammatory condition research.
- Deuterium-labeled tracer suitable for metabolic and pharmacokinetic studies.
- High isotopic and chemical purity for accurate analytical results.
- Provided as a solid, white to off-white powder for convenient handling.
- Available in small research pack sizes for laboratory-scale experiments.
- Stable under recommended storage conditions for reliable long-term use.
Medchemexpress LLC Calcitriol-d6 | 78782-99-7 | MFCD15071365 | 99.3% | 422.67 | C27H38D6O3 | 10 MG
Calcitriol-d6 is the deuterium-labeled form of calcitriol (1,25-dihydroxyvitamin D3) used as an isotopically labeled internal standard in research and quantitative analysis.
- Deuterium-labeled (d6) analog of calcitriol.
- Intended for use as an internal standard for LC-MS or GC-MS quantification.
- High chemical purity suitable for analytical applications.
- Molecular formula C27H38D6O3; molecular weight 422.67.
Medchemexpress LLC DL-glutamic acid-d5 | 14341-79-8 | MFCD01074021 | 99.7% | 152.16 g/mol | C5H4D5NO4 | 10 MG
DL-glutamic acid-d5 is a deuterium-labeled (d5) isotopic form of DL-glutamic acid supplied as a dry analytical standard for use in mass spectrometry and isotopic tracer studies. It is provided as a small pack for laboratory use.
- deuterated internal standard for mass spectrometry
- high isotopic and chemical purity for accurate quantitation
- molecular formula C5H4D5NO4 and molecular weight 152.16 g/mol
- supplied as a 10 mg pack suitable for small-scale analytical workflows
- commonly used in metabolic tracing and analytical method development
Medchemexpress LLC L-glutamine-13C5,15N2 | 285978-14-5 | 98.0% | 153.09 g/mol | 13C5H10 15N2 O3 | 10 MG
L-Glutamine-13C5,15N2 is an isotopically labeled form of L-glutamine in which five carbon atoms are 13C and two nitrogen atoms are 15N. Supplied as a 10 mg solid with 98.0% purity, it is intended for use as an internal standard, tracer, or NMR reference in metabolic and mass spectrometry studies.
- Isotopically labeled (13C5, 15N2).
- High purity: 98.0%.
- Supplied as a 10 mg solid.
- Suitable for metabolic tracing and flux analysis.
- Appropriate as an internal standard for mass spectrometry.
- Useful for NMR and structural studies.
Cambridge Isotope Laboratories HYDROQUINONE (D6, 98%), 5 G, 71589-26-9
HYDROQUINONE (D6, 98%), 5 G, 71589-26-9