Isotopically Labeled Compounds
Medchemexpress LLC L-Lysine-13C dihydrochloride | 202190-50-9 | 220.10 | 1 MG
L-Lysine-13C dihydrochloride is a 13C-labeled essential amino acid with various applications in research. It supports studies related to herpes treatment, calcium absorption, diabetes-related illnesses, and gut health. This product is for research use only.
Medchemexpress LLC L-Tyrosine-d2-2 | 57746-15-3 | 183.20 | 5 MG
L-Tyrosine-d2-2 is the deuterium labeled L-Tyrosine. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex. 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.
Medchemexpress LLC Olaparib-d5 (AZD2281-d5) | 2143107-56-4 | MFCD34469897 | 99.4% | 439.49 | C24H18D5FN4O3 | 5 MG
Olaparib-d5 is the deuterium-labeled stable isotope of the PARP inhibitor olaparib, supplied as a high-purity analytical reference standard for method development, quantitative analysis, and use as an internal standard in mass spectrometry workflows. It is provided in small, accurately weighed packages suitable for LC-MS and other sensitive analytical techniques.
- High purity (99.37%) for reliable analytical results.
- Deuterium labeling produces a clear mass shift for internal standard use in MS.
- Suitable for LC-MS method development and quantitative assays.
- Soluble in DMSO, DMF, and ethanol for flexible sample preparation.
- Available in small mg packages for precise weighing and low consumption.
Cambridge Isotope Laboratories Carbofuran (unlabeled) 100 ug/mL in 1 4-dioxane 1 2 mL
Carbofuran (unlabeled) 100 ug/mL in 1 4-dioxane 1 2 mL
Cambridge Isotope Laboratories Fluorene (unlabeled) 200 ug/mL in isooctane 1 2 mL
Fluorene (unlabeled) 200 ug/mL in isooctane 1 2 mL
Medchemexpress LLC Diphenylsulfane-d1 | 180802-01-1 | 99.5% | 187.28 g/mol | C12H9DS | 5 MG
Diphenylsulfane-d1 is the deuterium-labeled analogue of diphenylsulfane (diphenyl sulfide), supplied in small research quantities as an isotopically labeled reference or tracer for analytical, mechanistic, and mass spectrometry applications.
- Deuterium-labeled at one position (d1) for isotopic tracing.
- High chemical purity suitable for use as an analytical standard.
- Provided in small-quantity packaging tailored for research use.
- Suitable as an internal standard in mass spectrometry and quantitative analysis.
- Chemical identity corresponds to formula C12H9DS and molar mass ~187.28 g/mol.
![Revvity Health Sciences Inc AB-MECA, [<sup>125</sup>I]-(4-Amino-3-[<sup>125</sup>I]iodobenzyl-5`-N-)-, 10µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810490.jpg-250.jpg)
Revvity Health Sciences Inc AB-MECA, [125I]-(4-Amino-3-[125I]iodobenzyl-5`-N-)-, 10µCi
AB-MECA, [125I]-(4-Amino-3-[125I]iodobenzyl-5`-N-)-, 10µCi
Cambridge Isotope Laboratories L-Carnitine clo4 3-hydroxyisovaleryl (unlabeled) 0 1 mg
L-Carnitine clo4 3-hydroxyisovaleryl (unlabeled) 0 1 mg
Medchemexpress LLC Nicardipine-d3 hydrochloride | 1432061-50-1 | 99.7% | 519.00 | C26H27D3ClN3O6 | 5MG
This deuterium-labeled hydrochloride salt of nicardipine is supplied at high purity as a small-quantity analytical reference for mass spectrometry, method development, and pharmacological research. It provides a stable isotopic standard for accurate quantitation and method verification in analytical workflows.
- High isotopic labeling for accurate mass spectrometry internal standard use.
- High chemical purity suitable for analytical applications.
- Hydrochloride salt form for improved solubility in common solvents.
- Supplied in a small quantity suitable for method development and reference use.
- Appropriate as a reference material for pharmacology and analytical chemistry workflows.
Medchemexpress LLC 666-15 | 1433286-70-4 | MFCD30182343 | 99.8% | 620.52 g/mol | C33H31Cl2N3O5 | 1 ML
666-15 is a potent, selective small-molecule inhibitor of CREB-mediated transcription (IC50 = 81 nM) with demonstrated activity in cellular assays and preclinical tumor models. The compound is supplied as a ready-to-use DMSO solution and is provided with analytical documentation for experimental use.
- Potent CREB inhibition (IC50 = 81 nM).
- Demonstrated activity in cellular and animal models.
- Supplied as a 10 mM solution in DMSO for convenience.
- High purity confirmed by HPLC (>99.7%).
- Provided with certificate of analysis and safety data.
Medchemexpress LLC Olaquindox-d4 | 1189487-82-8 | MFCD00210341 | 267.27 | 2.5 MG
Olaquindox-d4 | 1189487-82-8 | MFCD00210341 | 267.27 | 2.5 MG
Medchemexpress LLC L-Tyrosine-d4 | 62595-14-6 | MFCD00079605 | 185.21 | 5 MG
L-Tyrosine-d4 is a deuterium labeled L-Tyrosine. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Resolvin D1-d5 | 1881277-32-2 | 99.2% | 381.52 | C22H27D5O5 | 10UG
Resolvin D1-d5 is a deuterium-labeled internal standard of Resolvin D1 supplied for analytical and mass-spectrometry workflows. It is intended for research use and is used as an internal standard for accurate quantification of RvD1 in LC/GC-MS procedures. The product is provided in small vials (including a 10 μg ethanol solution) and has high reported purity.