Isotopically Labeled Compounds
Medchemexpress LLC Pyridoxamine-d3 dihydrochloride | 1173023-45-4 | 99.3% | C8H11D3Cl2N2O2 | 1 MG
Pyridoxamine-d3 (dihydrochloride) is the deuterium labeled Pyridoxamine dihydrochloride. It 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.
- Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules for quantitation during the drug development process.
- Deuteration has the potential to affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Melamine (13C3,15N3) | 1246816-14-7 | 96.1% | 132.08 | 13C3H6N315N3 | 1mg
Melamine-15N3 13C3 is a 13C- and 15N-labeled Melamine (HY-Y1117) Melamine is a metabolite of cyromazine Melamine is a intermediate for the synthesis of melamine resin and plastic materials[1][2]
Cayman Chemical PerphenazIn-d4 5mg
An internal standard for the quantification of perphenazine by GC- or LC-MS
Medchemexpress LLC Perindopril-d4 | 1356929-58-2 | 99.3% | C19H28D4N2O5 | 1 MG
Perindopril-d4 is a deuterium-labeled version of Perindopril, an angiotensin-converting enzyme (ACE) inhibitor. Deuterium-labeled compounds are used in research as tracers for quantitation during drug development due to their potential to influence the pharmacokinetic and metabolic profiles of drugs. This stable isotope is suitable for research applications.
- Stable isotope-labeled compound
- Can be used as a tracer
- Suitable as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
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 REVERSE 3,3',5-TRIIODO-L-THYRO (DIIODOPHENYL-RING-13C6,99%)10, 1 ML, 1217676-14-6
REVERSE 3,3',5-TRIIODO-L-THYRO (DIIODOPHENYL-RING-13C6,99%)10, 1 ML, 1217676-14-6
Medchemexpress LLC Tetracosanoic-12,12,13,13-d4 acid | 1219794-59-8 | 99.8% | 50MG
Tetracosanoic-12,12,13,13-d4 acid | 1219794-59-8 | 99.8% | 50MG
Medchemexpress LLC 3,3,3-trideuterio-2-(3-fluoro-4-phenylphenyl)propanoic acid | 1185133-81-6 | MFCD09840635 | 99.9% | 247.28 g/mol | C15H10D3FO2 | 1 MG
Flurbiprofen-d3 is a deuterium-labeled analogue of flurbiprofen supplied as an isotopically labeled reference standard for analytical and research use. It is used primarily as an internal standard to enable accurate quantitation in mass spectrometry-based assays and bioanalytical method development.
- Isotopically labeled internal standard for quantitative mass spectrometry.
- High chemical and isotopic purity for reliable assay performance.
- Suitable for LC-MS/MS and GC-MS bioanalytical workflows.
- Applicable to pharmacokinetic and metabolic studies.
- Provided as a stable solid with batch-specific documentation.
![Revvity Health Sciences Inc CTP, [α-<sup>32</sup>P]- 3000Ci/mmol 10mCi/ml , 250 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810136.jpg-250.jpg)
Revvity Health Sciences Inc CTP, [α-32P]- 3000Ci/mmol 10mCi/ml , 250 µCi
CTP, [α-32P]- 3000Ci/mmol 10mCi/ml , 250 µCi
Medchemexpress LLC Methionine-d4 | 00-00-0 | 98.0% | 153.24 g/mol | C5H7D4NO2S | 5 MG
Methionine-d4 is a deuterium-labeled analogue of methionine used as an internal standard and tracer in analytical and biochemical workflows. It is intended for quantitative mass spectrometry, metabolic tracing, and experiments that require isotopically labeled amino acids. Supplied in small pack sizes with high stated purity.
Medchemexpress LLC D-Fructose-d4 | 478518-49-9 | 25 MG
D-Fructose-d4 is the deuterium labeled D-Fructose, a naturally occurring monosaccharide found in many plants. Stable heavy isotopes have been incorporated as tracers for quantitation during the drug development process. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Functions as a tracer.
- Serves as an internal standard for quantitative analysis (NMR, GC-MS, or LC-MS).
- Contains stable heavy isotopes for quantitation in drug development.
- May influence pharmacokinetic and metabolic profiles of drugs.
Cambridge Isotope Laboratories CHLOROMETHANE-D3 (D, 99%), 1 L, 1111-89-3
CHLOROMETHANE-D3 (D, 99%), 1 L, 1111-89-3. **This item is shipped in a Code M lecture bottle. The fee for the bottle will need added to the order as a separate charge. Please include part# NC1539013 to the order.
Medchemexpress LLC Ponesimod-d7 | 00-00-0 | MFCD18207776 | 468.02 g·mol⁻1 | C23H18D7ClN2O4S | 5 MG
Ponesimod-d7 is the deuterium-labeled analogue of ponesimod provided for research use as an isotopic tracer. It retains the parent compound's pharmacological profile while introducing a mass shift that enables unambiguous detection in mass-spectrometry assays. Typical properties include molecular formula C23H18D7ClN2O4S and molecular weight 468.02 g·mol⁻1.
- Deuterium-labeled analogue suitable for tracer studies.
- Enables mass-shift detection in LC-MS assays.
- Useful for metabolic and pharmacokinetic investigations.
- Provided as a stable powder for analytical workflows.
- Storage recommendations: powder at -20°C or 4°C; in solvent at -80°C or -20°C.
American Radiolabeled Chemicals Inc CHOLIC ACID-CARB-14C 50UC
Cholic acid-carboxyl-14C 50uCi in ethanol, 0.1 mCi/ml, S.A. 50-60 mCi/mmol, M.W. 408.6
Medchemexpress LLC Bromocyclohexane-d11 | 35558-49-7 | MFCD00190385 | >98.0% | 174.12 | C6D11Br | 100 MG
Bromocyclohexane-d11 is the deuterium-labeled analogue of bromocyclohexane provided for research use as a stable isotope reagent and internal standard. It is intended for mechanistic studies, tracer experiments, and mass spectrometry applications where deuterium labeling improves compound tracking and quantitation. Not for human or clinical use.
- Deuterium-labeled tracer for mechanistic studies.
- Suitable as an internal standard for GC-MS quantitation.
- High isotopic enrichment (>98 atom % D) for reliable detection.
- Available in mg-scale packages for analytical workflows.
- For research use only; not for patient or clinical use.