Isotopically Labeled Compounds
Medchemexpress LLC D-ribose-d2 | 478506-32-0 | 98.0% | 152.14 g·mol⁻1 | C5H8D2O5 | 5 MG
Deuterium-labeled D-ribose supplied as a white to off-white solid for use as an isotope-labeled standard and tracer in metabolic, biochemical, and analytical studies. Provided in a small, analytical package and stable when stored frozen for long-term use.
- Deuterium-labeled tracer for metabolic flux analysis and tracer studies.
- High chemical purity (98.0%) for reliable analytical results.
- Suitable for mass spectrometry and NMR standards.
- White to off-white solid, convenient small-scale packaging for analytical workflows.
- Store frozen to maintain stability and shelf life.
Medchemexpress LLC Citalopram-d4 hydrobromide | 1219803-58-3 | 98.3% | 1MG
Citalopram-d4 hydrobromide | 1219803-58-3 | 98.3% | 1MG
Medchemexpress LLC Ketotifen-d3 fumarate | 1795138-23-6 | 428.52 | C23H20D3NO5S | 10 MG
Ketotifen-d3 fumarate is the deuterium-labeled fumarate salt of ketotifen, provided as a research reagent and stable isotope for analytical applications. It functions as a noncompetitive H1-antihistamine and mast cell stabilizer and is intended for laboratory use only.
- Deuterium-labeled internal standard for LC-MS quantification.
- Fumarate salt form suitable for method development and tracer studies.
- Available in small, precise pack sizes for analytical workflows.
- Intended for research use only; not for clinical or diagnostic use.
Medchemexpress LLC ZLN005-d4 | 2410443-42-2 | 99.5% | 254.36 g·mol⁻1 | C17H14D4N2 | 10 MG
ZLN005-d4 is the deuterium-labeled analogue of ZLN005, a small-molecule activator of PGC-1α (peroxisome proliferator-activated receptor-γ coactivator-1α). Supplied as a white to off-white solid with high analytical purity, it is intended for use as a tracer and as an internal standard in quantitative NMR, GC-MS, and LC-MS workflows.
- Deuterium-labeled internal standard for quantitative analysis.
- High purity (99.5%) suitable for analytical and tracer applications.
- Molecular formula C17H14D4N2; molecular weight 254.36 g·mol⁻1.
- Solid, white to off-white appearance for straightforward handling.
- Recommended storage: powder -20 °C (long term) or 4 °C (intermediate); in solvent -80 °C (short term).
- Useful as a tracer or internal standard for NMR, GC-MS, and LC-MS quantitation.
![Medchemexpress LLC L-Alanine-3,3,3-d3, N-[(9H-fluoren-9-ylmethoxy)carbonyl]- | 225101-67-7 | 99.4% | 314.35 | 10 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000366938-logo.png-250.jpg){kind=logo}
Medchemexpress LLC L-Alanine-3,3,3-d3, N-[(9H-fluoren-9-ylmethoxy)carbonyl]- | 225101-67-7 | 99.4% | 314.35 | 10 MG
Fmoc-Ala-OH-3,3,3-d3 is the deuterium labeled Fmoc-Ala-OH-3,3,3 and is intended for research use only. Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, primarily as tracers for quantitation during the drug development process. Deuteration has gained attention due to its potential to influence the pharmacokinetic and metabolic profiles of drugs.
- 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.
eMolecules 53587-29-4 | Medchem Express | L-DOPA-256-d3 | 25mg | 713706179 | HY-132392S | MFCD00075014 | 200.208 | C9H11NO4
Medchem Express | L-DOPA-256-d3 | 25mg | 713706179 | HY-132392S | 53587-29-4 | MFCD00075014 | 200.208 | C9H11NO4
Medchemexpress LLC Entinostat-d4 | 209783-80-2 | 380.43 | 500 UG
Entinostat-d4 is the deuterium labeled version of Entinostat. Entinostat is an oral and selective class I HDAC inhibitor, with IC50s of 243 nM, 453 nM, and 248 nM for HDAC1, HDAC2, and HDAC3. This compound can be used as a tracer and as an internal standard for quantitative analysis. It incorporates stable heavy isotopes of hydrogen, carbon, and other elements, and deuteration can impact 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
- Incorporates stable heavy isotopes of hydrogen, carbon, and other elements
- Deuteration can impact the pharmacokinetic and metabolic profiles of drugs
- Intended for research use only
Cayman Chemical Pitavastatin lactone-d4, Purity: ≥99% deuterated forms (d1-d4), 5 mg
An internal standard for the quantification of pitavastatin lactone by GC- or LC-MS
Cambridge Isotope Laboratories Oxybenzone (unlabeled) 100 ug/mL in acetonitrile 1 2 mL
Oxybenzone (unlabeled) 100 ug/mL in acetonitrile 1 2 mL
Cambridge Isotope Laboratories Fluorene (13C6 99%) 100 ug/mL in nonane 1 2 mL
Fluorene (13C6 99%) 100 ug/mL in nonane 1 2 mL