Isotopically Labeled Compounds
Medchemexpress LLC 4-butylphenol-d5 | 1219795-04-6 | 98.0% | 155.25 g·mol^-1 | C10H9D5O | 10 MG
4-Butylphenol-d5 is a deuterium-labeled analogue of 4-butylphenol used as an isotopically labeled standard or tracer in analytical and research applications. It is supplied in small, research-scale quantities for laboratory use and intended for scientific research only.
- Deuterium-labeled compound suitable as an internal standard in mass spectrometry.
- High reported purity for reliable analytical performance.
- Molecular formula provided to support quantitation and identification.
- Available in small, convenient pack sizes for research workflows.
Medchemexpress LLC Vildagliptin-d3 | 1217546-82-1 | C17H22D3N3O2 | 500 UG
Vildagliptin-d3 is a deuterium labeled Vildagliptin. It is a potent, stable, selective dipeptidyl peptidase IV (DPP-IV) inhibitor with an IC50 of 3.5 nM in human Caco-2 cells. It possesses excellent oral bioavailability and potent antihyperglycemic activity. Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely 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.
- 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 Bromocyclohexane-d11 | 35558-49-7 | MFCD00190385 | 98.1% | 174.12 | C6D11Br | 5 MG
Bromocyclohexane-d11 is a deuterium-labeled bromocyclohexane used as a tracer and internal standard in analytical chemistry. It has molecular formula C6D11Br, molecular weight 174.12, and is supplied as a colorless to light yellow liquid with reported purity ~98.1%. Typical applications include quantitative NMR, GC-MS, and LC-MS analyses.
- Deuterium-labeled tracer for isotope dilution and tracing studies.
- Suitable as an internal standard for quantitative NMR, GC-MS, and LC-MS.
- High purity for reliable quantitative results.
- Stable liquid form with defined density for accurate handling.
- Available in small, preweighed quantities for analytical workflows.
![Medchemexpress LLC Benzo[e]pyrene-d12 | 205440-82-0 | MFCD00143670 | 98.0% | 264.38 g/mol | C20D12 | 5 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000262268.png-250.jpg)
Medchemexpress LLC Benzo[e]pyrene-d12 | 205440-82-0 | MFCD00143670 | 98.0% | 264.38 g/mol | C20D12 | 5 MG
Benzo[e]pyrene-d12 is the deuterium-labeled isotopologue of benzo[e]pyrene used as an internal standard and tracer in analytical chemistry. It provides a mass-shifted reference for accurate quantitation and method development by mass spectrometry.
- Isotopically labeled (D12) for clear mass separation.
- Molecular formula C20D12; molecular weight 264.38 g/mol.
- CAS number 205440-82-0.
- 98.0% chemical purity and 98 atom % deuterium enrichment.
- Supplied in small milligram quantities for analytical use.
- Suitable as an internal standard for quantitative mass spectrometry workflows.
Cayman Chemical RemdesIvIr-d4 500ug
An internal standard for the quantification of remdesivir by GC- or LC-MS
Cayman Chemical RufInamIde-15N-d2 1mg
An internal standard for the quantification of rufinamide by GC- or LC-MS
Cambridge Isotope Laboratories D-FRUCTOSE (2-13C, 99%), 0.25 G, 117013-19-1
D-FRUCTOSE (2-13C, 99%), 0.25 G, 117013-19-1
Medchemexpress LLC Isavuconazole-d4 | 1346598-58-0 | 99.9% | C22H13D4F2N5OS | 1 ML
Isavuconazole-d4 is a deuterium-labeled Isavuconazole, a triazole proagent with antifungal activity against yeasts, molds, and dimorphic fungi. Deuteration, the incorporation of stable heavy isotopes like hydrogen and carbon into drug molecules, is used for quantitation during drug development and has the potential to influence the pharmacokinetic and metabolic profiles of drugs. The product appears as a solid with a color ranging from light yellow to yellow.
- 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 2-pyrrolidinone, 1-methyl-5-(3-pyridinyl-2,4,5,6-d4) | 350818-68-7 | 99.6% | 25 MG
(Rac)-Cotinine-d4 is the deuterium labeled (Rac)-Cotinine. It is for research use only and not sold to patients. This compound is used as a tracer and as an internal standard for quantitative analysis. Deuteration, which incorporates stable heavy isotopes into drug molecules, can affect the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuteration can impact the pharmacokinetic and metabolic profiles of pharmaceuticals
Medchemexpress LLC Nonanal-d18 | 1466552-36-2 | 1 MG
Nonanal-d18 is a deuterium labeled nonanal, a saturated fatty aldehyde with antidiarrhoeal activity.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes of hydrogen and carbon into drug molecules as tracers for quantitation
- Potential to affect pharmacokinetic and metabolic profiles of drugs due to deuteration
Medchemexpress LLC 1-methylimidazole-d6 | 285978-27-0 | MFCD00190485 | 98.8% | 88.14 | C4D6N2 | 10 MG
1-Methylimidazole-d6 is the deuterium-labeled isotopologue of 1-methylimidazole supplied for use as an isotopic reference and internal standard in analytical laboratories. It is intended for tracer and quantitative applications in NMR, GC-MS, and LC-MS workflows.
- Deuterium-labeled internal standard for quantitative analysis by NMR, GC-MS, and LC-MS.
- High chemical purity (≈98.8%) and consistent isotopic enrichment for reliable results.
- Molecular weight 88.14 and molecular formula C4D6N2 for precise mass calculations.
- Available in small, laboratory-scale quantities suitable for standard analytical protocols.
Medchemexpress LLC Terephthalic acid-d4 | 60088-54-2 | 98.0% | 170.16 | 50 MG
Terephthalic acid-d4 is the deuterium-labeled form of Terephthalic acid, an isomer and a precursor to polyester PET, a material used in clothing and plastics. It can also be utilized to construct skin tumor models.
- Can be used as a tracer.
- Can serve as an internal standard for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS.
- Deuteration, the incorporation of stable heavy isotopes like deuterium into drug molecules, has shown potential in influencing the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Isovaleric acid-13C | 87994-84-1 | 99.0% | 103.12 | 100 MG
Isovaleric acid-13C is the 13C labeled Isovaleric acid. Isovaleric acid is a natural fatty acid known to affect neonatal death and possible Jamaican vomiting sickness in humans. It is for research use only and not sold to patients.
- 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 incorporated into drug molecules for quantitation during drug development.
Cayman Chemical SulfadIazIn-d4 5mg
An internal standard for the quantification of sulfadiazine by GC- or LC-MS