Isotopically Labeled Compounds
Medchemexpress LLC Ibuprofen-d3 sodium | 1219805-09-0 | MFCD11983518 | 99.0% | 231.28 | C13H14D3NaO2 | 10 MG
Ibuprofen-d3 sodium is the deuterium-labeled sodium salt of ibuprofen supplied as a solid research reagent. It is intended for use as an isotopic internal standard or tracer in analytical, pharmacokinetic, and metabolic studies, particularly LC-MS/MS methods. The material is supplied at high chemical purity and is for research use only.
- Isotopically labeled internal standard for LC-MS quantitation.
- High chemical purity (reported 99.0%).
- Suitable for pharmacokinetic and metabolic tracing studies.
- Solid powder, stable when stored sealed and away from moisture.
- Available in small research pack sizes, e.g. 10 MG.
Medchemexpress LLC Phenindione-d5 | 70711-53-4 | MFCD00630829 | 99.5% | 227.27 | C15H5D5O2 | 10 MG
Phenindione-d5 is a deuterium-labeled analog of phenindione supplied as a research reagent and internal standard for quantitative analysis. It functions as a vitamin K antagonist and is intended for tracer studies and analytical applications such as LC-MS, GC-MS, and NMR.
- Deuterium-labeled internal standard for quantitative analysis.
- High purity: 99.5%.
- Physical form: white to off-white solid.
- Storage: 4°C sealed; in solvent store at -80°C (6 months) or -20°C (1 month).
- Solubility: DMSO ≥100 mg/mL; water 0.67 mg/mL (requires ultrasonic).
- Packaged amount: 10 mg suitable for analytical use.
Medchemexpress LLC Pitavastatin-d4-1 sodium | 147511-69-1 | 447.47 | C25H19D4FNNaO4 | 10 MG
Pitavastatin-d4-1 sodium is a deuterium-labelled analogue of pitavastatin sodium intended as an internal standard and tracer for quantitative analytical methods such as LC-MS, GC-MS, and NMR. Supplied as a solid for research use only, it supports method development and accurate quantitation in biological and chemical analyses.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for LC-MS, GC-MS, and NMR applications.
- Solid form, supplied as a 10 MG package.
- Molecular weight 447.47 and chemical formula C25H19D4FNNaO4.
- Recommended storage: sealed, away from moisture; in solvent -80°C (up to 6 months) or -20°C (up to 1 month).
Medchemexpress LLC Haloperidol-d4-1 | 136765-35-0 | 98.0% | C21H19D4ClFNO2 | 1 MG
Haloperidol-d4-1 is a deuterium labeled version of haloperidol, which is a potent dopamine D2 receptor antagonist. Haloperidol is widely used as an antipsychotic agent and can be used in the study of various neurological and psychiatric conditions.
- Deuterium labeled haloperidol
- Potent dopamine D2 receptor antagonist
- Useful for studying schizophrenia
- Useful for studying tics in Tourette syndrome
- Useful for studying mania in bipolar disorder
- Useful for studying delirium
- Useful for studying acute psychosis
- Useful for studying hallucinations from alcohol withdrawal
- For research use only
Medchemexpress LLC Pefloxacin-d5 (pefloxacinium-d5) | 1228182-51-1 | MFCD16652561 | 98.3% | 338.39 | C17H15D5FN3O3 | 10 MG
Pefloxacin-d5 is the deuterium-labeled analogue of the fluoroquinolone antibiotic pefloxacin, provided as a high-purity stable isotope standard for use as an internal standard in quantitative mass spectrometry, pharmacokinetic, and infection studies.
- High purity (98.3%).
- Chemical formula: C17H15D5FN3O3.
- Molecular weight: 338.39.
- CAS number: 1228182-51-1.
- Suitable for quantitative LC-MS/MS and pharmacokinetic studies.
- 10 mg packaging available.
Medchemexpress LLC Adenosine-1'-13C | 201996-55-6 | 99.7% | 268.23 g·mol^-1 | C10H13N5O4 (1-13C) | 10 MG
A stable isotope-labeled adenosine with the 13C label at the 1′ position, provided as a powder for analytical and tracer applications. It serves as an isotopic standard or tracer in biochemical, metabolic, and receptor studies where labeled nucleosides are required.
- Contains a single 13C label at the 1′ position for tracer and quantitative studies.
- High purity suitable for analytical use (reported purity ~99.66%).
- Soluble in DMSO (high concentration; ultrasonic assistance recommended).
- Supplied as a compact powder for long-term storage at recommended temperatures.
- Molecular weight approximately 268.23 g·mol^-1, compatible with mass spectrometry and NMR applications.
Medchemexpress LLC Triamterene-d5 | 1189922-23-3 | MFCD09841356 | 99.8% | 258.29 | C12H6D5N7 | 10 MG
Triamterene-d5 is a deuterium-labeled triamterene analog supplied as a high-purity analytical standard for use in mass spectrometry, tracer studies, and quantitative assays. It offers consistent isotopic labeling and stability for reliable internal standard performance.
- Deuterium-labeled (d5) for use as an internal standard in MS assays.
- High purity (99.8%) for accurate quantitation.
- Molecular weight 258.29 g/mol for precise mass calculations.
- Available in small milligram pack sizes for analytical workflows.
- Stable when stored as recommended: powder -20°C; in solvent -80°C short term.
Cambridge Isotope Laboratories ACETONITRILE-D3 "100%" (D, 99.96%), 5 ML, 2206-26-0
ACETONITRILE-D3 "100%" (D, 99.96%), 5 ML, 2206-26-0
![Medchemexpress LLC Xanthine-13C,15N2 | 1262670-81-4 | MFCD34676312 | 98.0% | 155.09 | C4[13C]H4N2[15N]2O2 | 10 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000299949.png-250.jpg)
Medchemexpress LLC Xanthine-13C,15N2 | 1262670-81-4 | MFCD34676312 | 98.0% | 155.09 | C4[13C]H4N2[15N]2O2 | 10 MG
Xanthine-13C,15N2 is a stable isotope-labeled form of xanthine (one 13C and two 15N labels) supplied as a 10 mg vial for research use. It is used as an internal standard and tracer for quantitative mass spectrometry, metabolite profiling, and metabolic pathway studies. Consult the product datasheet for lot-specific certificates and handling instructions.
- Stable isotope labeled for mass spectrometry internal standard use.
- Contains one 13C and two 15N labels for unambiguous isotopic tracking.
- Supplied as a 10 mg vial suitable for analytical applications.
- High purity consistent with analytical workflows.
- Intended for research use; not for human or clinical use.
Medchemexpress LLC Oxybutynin-d11 chloride | 1185151-95-4 | MFCD06658724 | 97.4% | 405.02 g·mol⁻¹ | C22H21D11ClNO3 | 10 MG
Oxybutynin-d11 chloride is a deuterium-labeled isotopologue of oxybutynin chloride intended as a stable-isotope reference standard for analytical, pharmacokinetic, and mass-spectrometry studies. Supplied as the chloride salt with defined molecular weight and high purity, it is suitable for use as an internal standard to improve quantitation and identification in LC-MS and GC-MS workflows.
- Deuterium-labeled internal standard for LC-MS and GC-MS.
- High chemical purity (97.4%) and isotopic labeling for reliable quantitation.
- Supplied as a chloride salt with known molecular formula and molecular weight for accurate calculations.
- Soluble in DMSO for convenient sample preparation.
Cambridge Isotope Laboratories 0.02% (W/V) Tmsp (2,2,3,3-D4, 98%) In D2O (D, 99.9%), 10 X 1 Ml
0.02% (W/V) Tmsp (2,2,3,3-D4, 98%) In D2O (D, 99.9%), 10 X 1 Ml
Cambridge Isotope Laboratories ACETONE-D6 (D, 99.9%), 25 ML, 666-52-4
ACETONE-D6 (D, 99.9%), 25 ML, 666-52-4
Medchemexpress LLC Trigonelline-d3 chloride | 6138-41-6 | 99.6% | 176.62 | C7H5D3ClNO2 | 10 MG
Trigonelline-d3 chloride is a deuterium-labeled analytical standard of trigonelline hydrochloride supplied as a white to off-white solid intended for research use. It provides a stable-isotope internal standard for quantitative GC- or LC-MS assays.
- Deuterium-labeled trigonelline chloride for use as an internal standard.
- High purity (99.6%) suitable for analytical applications.
- White to off-white solid; solid form for easy handling and storage.
- Soluble in DMSO (5 mg/mL) with warming or sonication recommended.
- Stable under sealed storage at 4°C; shorter-term storage guidance for solutions provided.
- Available in small pack sizes (including 10 mg) for standard laboratory use.