Isotopically Labeled Compounds
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 N-heptanoylglycine-d2 | 3008541-77-0 | 95.0% | 189.25 | C9H15D2NO3 | 1 MG
N-Heptanoylglycine-d2 is the deuterium-labeled analogue of N-heptanoylglycine used as a stable isotope internal standard and tracer in analytical chemistry. It is a solid (white to off-white) compound with formula C9H15D2NO3 and molecular weight 189.25, supplied at high purity for quantitative NMR, GC-MS, and LC-MS studies.
- High isotopic labeling (d2) for reliable internal standard performance.
- Suitable for use as tracer or internal standard in NMR, GC-MS, and LC-MS.
- Solid, white to off-white appearance facilitating handling.
- Purity 95.0% to support quantitative analyses.
- Storage recommendations provided for long-term and in-solvent conditions.
Medchemexpress LLC Decanoic acid-d5 | 1219803-00-5 | 98.3% | 177.30 g/mol | C10H15D5O2 | 5 MG
Decanoic acid-d5 is the deuterium-labeled analogue of decanoic acid provided for research applications including analytical tracing and pharmacology studies. It is supplied as a small oil sample with high isotopic purity suitable for use in formulation and bioanalytical workflows.
- Deuterium-labeled decanoic acid for tracer and analytical studies.
- High isotopic and chemical purity suitable for research applications.
- Reported purity: 98.3%.
- Molecular weight approximately 177.30 g/mol; formula C10H15D5O2.
- Appearance: colorless to off-white oil.
- DMSO soluble (≈200 mg/mL) with recommended handling notes for hygroscopic solvent.
- Available in a 5 mg pack size for small-scale experiments.
Medchemexpress LLC Ponesimod-d7 100mg | 100MG
Ponesimod-d7 (ACT-128800-d7) is the deuterium-labeled Ponesimod (HY-10569) Ponesimod-d7 (ACT-128800) is a potent selective and orally active agonist of S1P1 with an IC50 of 6 nM in a radioligand binding assay Ponesimod-d7 activates S1P1-mediated signal transduction with high potency (EC50 5 7 nM) Ponesimod-d7 can protect against lymphocyte-mediated tissue inflammation[1 [2 [3
Medchemexpress LLC L-cysteine-d3 | 214782-32-8 | MFCD00687195 | 99.2% | 124.18 g/mol | C3H4D3NO2S | 5mg
L-Cysteine-d3 is the deuterium labeled L-Cysteine L-Cysteine is a conditionally essential amino acid which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S) glutathione and taurine L-Cysteine suppresses ghrelin and reduces appetite in rodents and humans[1]
Medchemexpress LLC Cinacalcet-d4 hydrochloride | 2514927-75-2 | ≥98.0% | 397.90 g/mol | C22H19D4ClF3N | 2.5 MG
Cinacalcet-d4 hydrochloride is a deuterium-labeled analogue of cinacalcet provided as the hydrochloride salt for use as an isotopically labeled internal standard in analytical and research workflows, particularly LC-MS quantitation. It has molecular formula C22H19D4ClF3N, molecular weight 397.90 g/mol, and typical purity ≥98.0%.
- Deuterium-labeled internal standard suitable for LC-MS quantitation.
- Hydrochloride salt form for stable handling and solubility in common solvents.
- D4 isotopic labeling reduces interference from native analyte peaks.
- High purity (≥98.0%) supports accurate and reproducible results.
- Available in small mass packages for reference standard and trace-level analysis.
Cayman Chemical RegorafenIb-13C-d3 1mg
An internal standard for the quantification of regorafenib by GC- or LC-MS
Medchemexpress LLC Pentacosane-d52 | 121578-13-0 | 5 MG
Pentacosane-d52 is the deuterium-labeled version of Pentacosane. Pentacosane is a significant component found in the acetone extract of Curcuma raktakanda and in the essential oil from the leaves of Malus domestica. It has shown anti-cancer activities.
- Application as a tracer
- Internal standard for quantitative analysis using techniques like NMR, GC-MS, or LC-MS
- Stable heavy isotopes of elements such as hydrogen and carbon are incorporated into drug molecules, primarily for quantitation during the drug development process
- Deuteration can potentially influence the pharmacokinetic and metabolic profiles of drugs
![Cambridge Isotope Laboratories GLYCAN-N36-13C-GAL6,6',6'' ([GALACTOSE-13C6, 99%]3)*, 500 PMOL](https://assets.fishersci.com/TFS-Assets/CCG/product-images/VN00015402-CIL-LOGO.JPG-250.jpg){kind=logo}
Cambridge Isotope Laboratories GLYCAN-N36-13C-GAL6,6',6'' ([GALACTOSE-13C6, 99%]3)*, 500 PMOL
GLYCAN-N36-13C-GAL6,6',6'' ([GALACTOSE-13C6, 99%]3)*, 500 PMOL
Medchemexpress LLC Uridine-d2 | 82740-98-5 | 99.0% | 5 MG
Uridine-d2 is the deuterium labeled Uridine. It is for research use only and can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Deuteration has gained attention due to its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis
- Suitable for NMR, GC-MS, or LC-MS applications
- Deuteration may affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Amisulpride-d5 | 1216626-17-3 | 98.27% | C17H22D5N3O4S | 1 MG
Amisulpride-d5 is the deuterium-labeled form of Amisulpride, a dopamine D2/D3 receptor antagonist. It has Ki values of 2.8 nM for human dopamine D2 and 3.2 nM for human dopamine D3. This product is suitable for research applications, including use as a tracer and an internal standard for quantitative analysis.
- Deuterium labeled
- Dopamine D2/D3 receptor antagonist
- High purity: 98.27%
- Appearance: solid, white to off-white
- Can be used as a tracer
- Suitable as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Valuable for pharmacokinetic and metabolic studies
Medchemexpress LLC D-Fructose-4-13C | 84270-09-7 | 50 MG
D-Fructose-4-13C is a 13C labeled form of D-Fructose, a naturally occurring monosaccharide found in many plants. It is a solid with an off-white to light yellow appearance and is suitable for research applications. Stable heavy isotopes, such as those in this product, are used as tracers for quantitation during drug development processes.
- Used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Supports research on pharmacokinetic and metabolic profiles of drugs
- Appearance: solid, off-white to light yellow
Medchemexpress LLC Piperazin-2-one-d6 | 1219803-71-0 | MFCD11983578 | 99.3% | 106.16 | C4H2D6N2O | 10 MG
Piperazin-2-one-d6 is the deuterium-labeled isotopologue of piperazin-2-one, provided as a white solid for use as an internal standard or tracer in analytical and drug-development workflows. It is suited for quantitative mass spectrometry and NMR applications, supplied in small, precisely measured packages, and accompanied by supporting documentation for safe handling and storage.
- Deuterium-labeled (d6) for isotope dilution quantitation.
- High purity suitable for analytical standards.
- White solid stable under recommended storage conditions.
- Available in multiple small package sizes including 10 mg.
- Molecular weight 106.16; molecular formula C4H2D6N2O.
- Supplied with certificate of analysis and safety data sheet.
Medchemexpress LLC Baricitinib-d5 | 1564241-79-7 | C16H12D5N7O2S | 1 MG
Baricitinib-d5 is the deuterium-labeled version of Baricitinib, a selective and orally bioavailable inhibitor of JAK1 and JAK2. It is intended for research use only. Stable heavy isotopes, such as deuterium, are incorporated into drug molecules largely as tracers for quantitation during drug development, with the potential to affect 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
Cayman Chemical MIrtazapIn-d3 1mg
An internal standard for the quantification of mirtazapine by GC- or LC-MS