Isotopically Labeled Compounds
![Revvity Health Sciences Inc Adenosine 5'-Triphosphate, Tetrasodium Salt, [2,8-<sup>3</sup>H]-, 250 µCi (9.25 MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/509051166.jpg-250.jpg)
Revvity Health Sciences Inc Adenosine 5'-Triphosphate, Tetrasodium Salt, [2,8-3H]-, 250 µCi (9.25 MBq)
Adenosine 5'-Triphosphate, Tetrasodium Salt, [2,8-3H]-, 250 µCi (9.25 MBq)
![Revvity Health Sciences Inc Hydroxytryptamine Creatinine Sulfate (Serotonin), 5-[1,2-<sup>3</sup>H(N)]-, 1mCi (37MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812367.jpg-250.jpg)
Revvity Health Sciences Inc Hydroxytryptamine Creatinine Sulfate (Serotonin), 5-[1,2-3H(N)]-, 1mCi (37MBq)
Hydroxytryptamine Creatinine Sulfate (Serotonin), 5-[1,2-3H(N)]-, 1mCi (37MBq)
Medchemexpress LLC Propofol-d17 β-D-glucuronide | 1683581-05-6 | 98.0% | 371.50 | C18H9D17O7 | 10 MG
Propofol-d17 β-D-glucuronide is a deuterium-labeled analytical standard of propofol β-D-glucuronide intended as a tracer or internal standard for quantitative methods including NMR, GC-MS, and LC-MS. It is supplied as a high-purity solid with defined solubility and storage conditions to support reliable analytical workflows.
- Deuterium-labeled internal standard for quantitative analysis.
- High purity (98.0%) suitable for reference and calibration.
- Supplied as a white to off-white solid powder.
- Soluble in ethanol, DMF, and DMSO at ≥ 30 mg/mL.
- Recommended storage: powder at -20°C; solutions at -80°C (6 months) or -20°C (1 month).
- Available in small pack sizes appropriate for analytical use.
Medchemexpress LLC L-Methionine-methyl-d3, N-[(9H-fluoren-9-ylmethoxy)carbonyl]- | 502692-58-2 | 374.47 | 25 MG
Fmoc-Met-OH-d3 is a deuterium labeled form of Fmoc-Met-OH. This compound is valuable as a tracer and an internal standard for quantitative analysis in various analytical methods. The deuteration of molecules can impact the pharmacokinetic and metabolic profiles of drugs, making this compound significant in pharmaceutical research and development.
- Deuterium labeled compound
- Can be used as a tracer
- Internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Influences pharmacokinetic and metabolic profiles of drugs
Cayman Chemical GlImepIrIde-d4 1mg
An internal standard for the quantification of glimepiride by GC- or LC-MS
Medchemexpress LLC DL-Aspartic acid-d3 | 14341-75-4 | MFCD00144167 | 136.12 | 5 MG
DL-Aspartic acid-d3 is a deuterium labeled L-Aspartic acid. L-Aspartic acid is an amino acid capable of penetrating the blood-brain barrier. It is often utilized in the preparation of prodrugs designed to target colon and cecal tissues, and is commonly used in studies of inflammatory conditions.
- 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 5-Fluorouracil-15N2 | 68941-95-7 | 99.0% | C4H3F15N2O2 | 1 MG
5-Fluorouracil-15N2 is the 15N-labeled 5-Fluorouracil. 5-Fluorouracil (5-FU) is an analogue of uracil and a potent antitumor agent. It affects pyrimidine synthesis by inhibiting thymidylate synthetase, thus depleting intracellular dTTP pools. 5-Fluorouracil induces apoptosis and can be used as a chemical sensitizer, and it also inhibits HIV.
- 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 Decanoic acid-d3 | 102611-15-4 | MFCD00144050 | ≥99.0% | 175.28 g/mol | C10H17D3O2 | 100 MG
Decanoic acid-d3 is a deuterium-labeled analogue of decanoic (capric) acid used as an isotopically labeled internal standard and tracer in analytical workflows. It supports accurate quantitation in NMR, GC-MS, and LC-MS and is supplied as a white to off-white solid.
- CAS number: 102611-15-4.
- Purity: ≥99.0%.
- Molecular formula: C10H17D3O2; molecular weight: 175.28 g/mol.
- Application: internal standard and tracer for NMR, GC-MS, or LC-MS quantitative analysis.
- Appearance: white to off-white solid.
- Storage: sealed, away from moisture and light; in solvent, -80°C for 6 months or -20°C for 1 month.
- Solubility: ethanol and DMF ≥25 mg/mL; DMSO ≥10 mg/mL.
American Radiolabeled Chemicals Inc AC ACID-1-14C NA SALT A 1LC
Acetic acid-1-14C sodium salt 1mCi in ethanol, 1 mCi/ml, S.A. 50-60 mCi/mmol, M.W. 82.0
Medchemexpress LLC Suberylglycine-d4 | 2469259-73-0 | 99.0% | 235.27 | 1 MG
Suberylglycine-d4 is a deuterium-labeled form of Suberylglycine, which is an acyl glycine and a minor metabolite of fatty acid. This compound is intended for research use only and is not sold to patients.
- Deuterium 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.
- Potential to affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Carbendazim-d4 (deuterium-labeled carbendazim) | 291765-95-2 | MFCD04112602 | 99.6% | 195.21 | C9H5D4N3O2 | 5 MG
Carbendazim-d4 is a deuterium-labeled stable-isotope reference standard used for analytical and mass spectrometry applications, providing a reliable internal standard for quantitative analysis, method validation, and metabolite identification.
- Isotopically labeled (d4) internal standard for mass spectrometry.
- High chemical purity and isotopic enrichment for accurate quantitation.
- Available in small milligram quantities ideal for reference standards.
- Stable powder form with recommended cold storage for long-term retention of quality.
- Suitable for method development, validation, and metabolite studies.
Medchemexpress LLC Zidovudine-d4 (Azidothymidine-d4) | 30516-87-1 | 271.27 | C10H9D4N5O4 | 10 MG
Zidovudine-d4 (Azidothymidine-d4) is a deuterium-labeled analogue of zidovudine supplied for research and analytical applications. It is intended as an internal standard or tracer for mass spectrometry, quantitative assays, and method development in HIV-related studies. The labeled compound enables clear mass differentiation from the native drug during analysis.
- Deuterium-labeled internal standard for mass spectrometry.
- Suitable for analytical quantitation and method development.
- Provided as a 10 mg research-grade solid for laboratory use.
- Molecular formula C10H9D4N5O4 and molecular weight 271.27 for accurate calculations.
- Certificate of analysis available from the manufacturer for purity and quality control.
Medchemexpress LLC (Rac)-Rivastigmine-d6 | 194930-04-6 | 256.37 | 1 MG
(Rac)-Rivastigmine-d6 is a labelled racemic Rivastigmine. Rivastigmine (ENA 713 free base) is an orally active and potent cholinesterase (ChE) inhibitor, inhibiting butyrylcholinesterase (BChE) and acetylcholinesterase (AChE). It can cross the blood-brain barrier and is a parasympathomimetic or cholinergic agent used in research for mild to moderate Alzheimer's type dementia and Parkinson's disease dementia. Stable heavy isotopes, such as deuterium, incorporated into drug molecules are used as tracers for quantitation during drug development and can influence 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