Isotopically Labeled Compounds
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.
![eMolecules Methanol D4 >99.8%(+0.03% TMS) | Oakwood Chemical | 811-98-3 | MFCD00044637 | 36.066 | CH4O | 99.000 | [2H]OC([2H])([2H])[2H] | 100ml | 716243326](https://assets.fishersci.com/TFS-Assets/CCG/product-images/NC3841792.JPG-250.jpg)
eMolecules Methanol D4 >99.8%(+0.03% TMS) | Oakwood Chemical | 811-98-3 | MFCD00044637 | 36.066 | CH4O | 99.000 | [2H]OC([2H])([2H])[2H] | 100ml | 716243326
Methanol D4 >99.8%(+0.03% TMS) | Oakwood Chemical | 811-98-3 | MFCD00044637 | 36.066 | CH4O | 99.000 | [2H]OC([2H])([2H])[2H] | 100ml | 716243326
Medchemexpress LLC L-Leucine-d10 | 106972-44-5 | 141.23 | 50 MG
L-Leucine-d10 is a deuterium labeled L-Leucine. L-Leucine is an essential branched-chain amino acid (BCAA) that activates the mTOR signaling pathway. Deuterium substitution has the potential to affect the pharmacokinetic and metabolic profiles of drugs. This compound is intended for research use only.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Activates the mTOR signaling pathway.
- Deuterium labeling can impact pharmacokinetic and metabolic profiles.
Medchemexpress LLC Decanoic acid-d5 | 1219803-00-5 | MFCD01317497 | 98.3% | 177.30 | C10H15D5O2 | 10 MG
Decanoic acid-d5 is the deuterium-labeled analogue of decanoic acid, provided as a high-purity stable isotope reagent for analytical and biological research. It serves as an internal standard, tracer, or reference compound in mass spectrometry and metabolic studies, enabling confident identification and quantification through a predictable mass shift.
- High isotopic labeling (D5) for clear mass separation.
- High purity (98.3%) suitable for analytical workflows.
- Compact research-scale quantity for easy storage and handling.
- Soluble in DMSO at high concentration for convenient stock solutions.
- Stable under recommended storage conditions for long-term use.
- Suitable as an internal standard in mass spectrometry and tracer studies.
Medchemexpress LLC L-ornithine-d7 hydrochloride | 2483831-57-6 | 99.9% | 175.67 g/mol | C5H6D7ClN2O2 | 10 MG
L-ornithine-d7 hydrochloride is the deuterium-labeled hydrochloride salt of L-ornithine supplied as a white to off-white solid. It is intended for use as an internal standard or tracer in quantitative analytical methods (NMR, GC-MS, LC-MS) and for metabolic studies related to the urea cycle.
- Deuterium-labeled internal standard for quantitative NMR, GC-MS, and LC-MS.
- High isotopic and chemical purity suitable for analytical applications.
- Supplied as a stable solid hydrochloride for improved handling and storage.
- Available in small preweighed quantities for trace-level assays.
- Applicable as a tracer in metabolic and urea cycle research.
Medchemexpress LLC C16-ceramide-d31 | 852043-41-5 | MFCD22416906 | 98.0% | 569.09 | C34H36D31NO3 | 1 MG
C16-ceramide-d31 is a deuterium-labeled analogue of C16-ceramide intended for use as an internal standard or tracer in lipidomics and analytical research. The isotopically labeled compound enables reliable quantitation and metabolic tracing in mass spectrometry-based assays.
- Isotopically labeled with deuterium (d31).
- Suitable as an internal standard or tracer for lipidomics and mass spectrometry.
- High purity: 98.0%.
- Available in small research quantities (e.g., 1 MG).
- Molecular formula C34H36D31NO3 and molecular weight 569.09.
Medchemexpress LLC Tamoxifen-d3 hydrochloride | 00-00-0 | 99.0% | C26H27D3ClNO | 10MG
Tamoxifen-d3 hydrochloride is a deuterium-labeled analogue of tamoxifen supplied as a white to off-white solid. It is used as an internal standard and tracer in mass spectrometry, pharmacokinetic studies, and analytical method development, providing a distinct mass shift from the unlabeled compound for accurate quantitation and identification.
- Deuterium-labeled for mass-spectrometry differentiation.
- High purity suitable for analytical standards and tracer studies.
- Solid form simplifies handling and storage.
- Stable under recommended storage conditions for reproducible results.
- Suitable for pharmacokinetic and bioanalytical method development.
Medchemexpress LLC Cinnamic acid-13C3 (3-phenylacrylic acid-13C3) | 2734410-01-4 | 151.14 | 5 MG
Cinnamic acid-13C3 (3-Phenylacrylic acid-13C3) is the 13C labeled Cinnamic acid. Cinnamic acid has potential use in cancer intervention, with IC50s of 1-4.5 mM in glioblastoma, melanoma, prostate and lung carcinoma cells.
- 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 Clozapine-d8 | 1185053-50-2 | MFCD09752113 | 99.7% | 334.87 | C18H11D8ClN4 | 5 MG
Clozapine-d8 is the deuterium-labeled isotopologue of the antipsychotic clozapine, provided as a high-purity analytical standard for research use. It is intended as an internal standard for quantitative bioanalytical methods and preclinical studies where accurate measurement of clozapine is required.
- Deuterium-labeled internal standard for accurate quantitation.
- Suitable for LC-MS/MS and GC-MS analytical methods.
- High purity (≈99.7%).
- Provides improved assay precision and recovery.
- Supplied in small quantities appropriate for analytical standards.
Medchemexpress LLC 2,4-Dibromophenol-d3 | 1219805-97-6 | 99.5% | 254.92 | 10 MG
2,4-Dibromophenol-d3 is the deuterium labeled 2,4-Dibromophenol. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs. This compound can be used as a tracer or 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
Medchemexpress LLC Salcaprozate-d4 sodium (SNAC-d4 sodium) | 203787-91-1 | 99.7% | 305.34 | 1 MG
Salcaprozate-d4 (sodium) is a deuterated labeled Salcaprozate (sodium). Salcaprozate sodium (SNAC) is an oral absorption promoter with potential as a delivery agent for oral forms of heparin and insulin. It can increase passive transcellular permeation across small intestinal epithelia by increasing lipophilicity from non-covalent macromolecule complexation.
- Deuterated labeled compound.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes of hydrogen, carbon, and other elements are incorporated into the drug molecule.
- Potential to affect the pharmacokinetic and metabolic profiles of drugs.
Selleck Chemical LLC Ethanolamine hydrochloride
Ethanolamine (2-Aminoethanol) is a viscous hygroscopic amino alcohol with an ammoniacal odor It is widely distributed in biological tissue and is a component of lecithin
Medchemexpress LLC L-Glucose-13C | 478519-02-7 | 98.0% | 181.15 | 25 MG
L-Glucose-13C is the 13C labeled L-Glucose, an enantiomer of D-glucose. It can promote food intake and is for research use only.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.