Isotopically Labeled Compounds
Cayman Chemical Levomefolate-13C-d3 1mg
An internal standard for the quantification of levomefolate by GC- or LC-MS
Cambridge Isotope Laboratories Toluene-d8 (d, 99.5%), 2037-26-5, MFCD00044638, 10 g
Chemical Formula: C6D5CD3, MW: 100.19, 99.5%.
Cayman Chemical EmpaglIflozIn-d4 500ug
An internal standard for the quantification of empagliflozin by GC- or LC-MS
Medchemexpress LLC Azithromycin-d5 (CP-62993-d5) | 83905-01-5 | MFCD00873574 | >95.0% | 754.02 | C38H67D5N2O12 | 500 UG
Azithromycin-d5 is the deuterium-labeled analogue of azithromycin supplied for research and analytical applications. It is intended as a stable-isotope internal standard or tracer for mass spectrometry, providing closely matched behavior to the unlabeled compound for accurate quantitation in LC-MS/MS assays.
- Deuterium-labeled azithromycin (d5) for use as an internal standard.
- Suitable for LC-MS/MS and quantitative analysis.
- Molecular formula C38H67D5N2O12; molecular weight 754.02.
- Available in small, research-scale amounts for analytical workflows.
- For research use only; not for human or clinical use.
Medchemexpress LLC Monoolein-d7 | 2260669-49-4 | ≥99.0% | 1 MG
Monoolein-d7 is deuterium labeled Monoolein, functioning as an endogenous metabolite. Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, primarily serving as tracers for quantitation during the drug development process. Deuteration has garnered attention due to its potential to influence the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled monoolein
- Functions as an endogenous metabolite
- Used as tracers for quantitation in drug development
- Potential to affect pharmacokinetic and metabolic profiles of drugs
- Purity of 99.0% or greater
- Recommended storage condition: solution at -20°C for up to 2 years
Medchemexpress LLC (R)-nicardipine-d3 | 00-00-0 | MFCD34676726 | 99.0% | 482.54 g/mol | C26H26D3N3O6 | 5 MG
(R)-Nicardipine-d3 is a deuterium-labeled form of R-nicardipine supplied as an analytical reference standard for research use. It is intended for method development, quantitative analysis, and mass spectrometry applications where an isotopically labeled internal standard is required.
- Deuterium-labeled analog for use as an internal standard in LC-MS assays.
- High reported purity (99.0%) suitable for analytical applications.
- Molecular weight 482.54 g/mol and formula C26H26D3N3O6.
- Available in small research quantities (1 mg, 5 mg, 10 mg).
- Supplied with a certificate of analysis supporting batch purity and identity.
Medchemexpress LLC Nε-(1-carboxymethyl)-L-lysine-d4 | 936233-18-0 | MFCD04114278 | 99.8% | 208.25 g/mol | C8H12D4N2O4 | 500 UG
CML-d4 is a deuterium-labeled derivative of Fmoc-L-lysine (Boc)-OH used as a stable isotope internal standard and tracer for analytical and metabolic studies. It is supplied as a white to off-white solid with high chemical and isotopic purity, and is intended for quantitative LC-MS, NMR, and related research applications.
- High chemical and isotopic purity suitable for analytical standards.
- Useful as an internal standard for quantitative LC-MS and NMR.
- Supplied as a stable solid with recommended cold storage for long-term stability.
- Analytical data, including certificate of analysis and elemental analysis, available for batches.
Medchemexpress LLC N6-(carboxymethyl)-L-lysine-d3 | 2699607-49-1 | 99.0% | 207.24 | C8H13D3N2O4 | 1 MG
CML-d3 is a deuterium-labeled stable isotope standard of carboxymethyl-lysine designed for use as a tracer or internal standard in analytical workflows such as mass spectrometry and quantitative biochemical assays. It is supplied as a powder with supporting documentation for analytical use and safe handling.
Cayman Chemical Cytosn-d2 25mg
An internal standard for the quantification of cytosine by GC- or LC-MS
Medchemexpress LLC GW2580-d6 | 2733770-48-2 | 98.4% | 372.45 | 1 ML
GW2580-d6 is a deuterium-labeled version of GW2580, an orally bioavailable and selective inhibitor of c-Fms kinase. It completely inhibits human cFMS kinase in vitro at a concentration of 0.06 μM. This compound acts as a competitive inhibitor of ATP binding to the cFMS kinase, thereby inhibiting colony-stimulating-factor-1 signaling. Intended for research use only, it appears as a white to off-white solid.
- Stable isotope: Contains deuterium labeling, useful as a tracer and internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- High purity: 98.36% purity ensures reliable experimental results.
- Selective inhibition: Potently inhibits c-Fms kinase, impacting colony-stimulating-factor-1 signaling.
- Orally bioavailable: The unlabeled compound, GW2580, is orally bioavailable.
Medchemexpress LLC Arachidonic acid-d5 | 123167-26-0 | ≥98.0% | 309.50 | 100 MG
Arachidonic acid-d5 is the deuterium labeled Arachidonic acid. Arachidonic acid is an essential fatty acid and a major constituent of biomembranes. It can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Essential fatty acid
- Major constituent of biomembranes
- For research use only
Cambridge Isotope Laboratories Toluene-d8 (d, 99.5%), 2037-26-5, MFCD00044638, 10x1 g
Chemical Formula: C6D5CD3, MW: 100.19, 99.5%.
Medchemexpress LLC Mebeverine acid-d5 | 00-00-0 | 98.0% | 284.41 g/mol | C16H20D5NO3 | 5 MG
Mebeverine acid-d5 is the deuterium-labeled metabolite of mebeverine supplied as an analytical reference standard for tracer, pharmacokinetic, and metabolism studies. The labeled analogue provides a predictable mass shift for use in LC-MS/MS assays, method development, and quantitative analysis when used alongside a certificate of analysis.
- Deuterium-labeled metabolite for tracer and quantitation studies.
- Suitable for LC-MS/MS and pharmacokinetic method development.
- High isotopic and chemical purity provided with a certificate of analysis.
- Stable under recommended storage; follow COA and SDS for handling.
- Available in small milligram quantities for analytical workflows.
Sigma Aldrich Fine Chemicals Biosciences Bromoethane-13C2 99 atom % 13C | 34189-75-8 | MFCD00143874 | 1G
Bromoethane-13C2 99 atom % 13C | Purity: 99% (CP) | Mol Wt: 110.95 | 34189-75-8 | MFCD00143874 | 1G
