Isotopically Labeled Compounds
Medchemexpress LLC Benzyl benzoate-d5 | 347840-01-1 | 99.8% | 100 MG
Benzyl benzoate-d5 is the deuterium labeled Benzyl benzoate. Benzyl benzoate (Benzoic acid benzyl ester) is a fragrance ingredient in cosmetic products. It can be used for the research of Scabies and Demodex-associated inflammatory skin conditions. 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
Cayman Chemical MelatonIn-d4 500ug
An internal standard for the quantification of melatonin by GC- or LC-MS
Cayman Chemical NoscapIn-13C-d3 1mg
An internal standard for the quantification of noscapine by GC- or LC-MS
Medchemexpress LLC Obeticholic acid-d4-1 | 459789-99-2 | 99.8% | 410.62 | 1 MG
Obeticholic Acid-d4 is the deuterium labeled Obeticholic acid. Obeticholic acid (INT-747) is a potent, selective and orally active FXR agonist with an EC50 of 99 nM. Obeticholic acid has anticholeretic and anti-inflammation effect. Obeticholic acid also induces autophagy.
- It is a deuterium labeled compound.
- It is a potent, selective, and orally active FXR agonist.
- It has an EC50 of 99 nM.
- It possesses anticholeretic effects.
- It exhibits anti-inflammation effects.
- It induces autophagy.
- It can be used as a tracer.
- It can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Fulvestrant-d5 (ICI 182780-d5) | 00-00-0 | 99.7% | 611.80 | C32H42D5F5O3S | 5 MG
Fulvestrant-d5 is a deuterium-labeled analogue of fulvestrant used as an internal standard in bioanalytical and mass spectrometry workflows. It retains the parent compound's structure while providing a distinct mass shift for selective detection and precise quantitation in pharmacokinetic, metabolic, and residue analysis.
- Deuterium-labeled internal standard for LC-MS/MS assays.
- Enables accurate quantitation and reduced matrix effects.
- Suitable for pharmacokinetic and metabolic studies.
- High chemical purity and defined storage stability.
Cayman Chemical PentadecnoIc AcId-d29 1mg
An internal standard for the quantification of pentadecanoic acid by GC- or LC-MS
Medchemexpress LLC Folinic acid-d4 calcium hydrate | 58-05-9 | 91.7% | 605.61 | 250 UG
Folinic acid-d4 calcium hydrate, also known as Leucovorin-d4 calcium hydrate, is a deuterated form of Folinic acid. It functions as a biological folic acid and is typically used as a rescue agent to reduce Methotrexate-induced toxicity. Stable heavy isotopes like deuterium are incorporated into drug molecules to serve as tracers for quantitation during drug development, which can also influence pharmacokinetic and metabolic profiles of drugs.
- Functions as a biological folic acid
- Reduces methotrexate-induced toxicity
- Can be used as a tracer
- Serves as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cayman Chemical CnaglIflozIn-d4 1mg
An internal standard for the quantification of canagliflozin by GC- or LC-MS
Medchemexpress LLC Adenosine-d13 | 58-61-7 | 96.6% | 1 MG
Adenosine-d13 is a deuterium-labeled version of Adenosine, a widely present endogenous autacoid. It functions by activating four G protein-coupled receptors (A1, A2A, A2B, and A3), influencing various cellular physiological processes including neuronal activity, vascular function, platelet aggregation, and blood cell regulation. This compound is intended for research use only.
- Can be used as a tracer or internal standard for quantitative analysis.
- Suitable for techniques like NMR, GC-MS, or LC-MS.
- Incorporation of stable heavy isotopes, such as deuterium, into drug molecules may impact pharmacokinetic and metabolic profiles.
Medchemexpress LLC Xanthurenic acid-d4 | 1329611-28-0 | MFCD27967185 | 99.1% | 209.19 | C10H3D4NO4 | 2.5 MG
Xanthurenic acid-d4 is the deuterium-labeled analogue of xanthurenic acid supplied as a solid for research use. It is formulated for use as an internal standard in analytical workflows, providing consistent isotopic shifts for accurate quantitation in mass spectrometry and chromatographic assays.
- Deuterium-labeled for isotope-dilution and mass spectrometry quantitation.
- High chemical purity suitable for analytical standards.
- Molecular weight 209.19 g/mol and formula C10H3D4NO4 provide exact mass reference.
- Compatible with LC-MS/MS and GC-MS workflows.
- Available in small, accurately weighed quantities for calibration and method validation.
- Supplied as a light yellow to yellow solid; intended for research use only.
Medchemexpress LLC Clozapine-d8 | 1040850-25-1 | MFCD00223707 | >98% | C18H11D8ClN4 | 1 MG
Clozapine-d8 is a deuterium-labeled clozapine. It is an antipsychotic used for the research of schizophrenia, exhibiting high affinity for various neuroreceptors.
- Antipsychotic used for schizophrenia research.
- High affinity for several neuroreceptors.
- Potent antagonist of dopamine D2.
- Inhibits muscarinic M1 receptor and serotonin 5HT2A receptor.
- Potent and selective agonist at muscarinic M4 receptor.
![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.
Medchemexpress LLC D-Fructose-d | 374089-83-5 | 100 MG
D-Fructose-d is a deuterium-labeled form of D-Fructose, a naturally occurring monosaccharide found in many plants. This stable heavy isotope of D-Fructose is primarily used in research and analytical applications where precise tracking and quantitation of metabolic processes are essential. Deuterium labeling offers advantages in studying drug metabolism and pharmacokinetics due to its potential to alter metabolic profiles.
- Deuterium labeled D-Fructose for metabolic research
- Suitable as a tracer in various biological studies
- Can be used as an internal standard for quantitative analysis
- Compatible with analytical techniques such as NMR, GC-MS, or LC-MS
Medchemexpress LLC Dopamine-d3 hydrochloride | 53587-30-7 | MFCD03428087 | 98.0% | 192.66 g/mol | C8H9D3ClNO2 | 10 MG
Dopamine-d3 hydrochloride is a deuterium-labeled analogue of dopamine supplied as the hydrochloride salt for use as an internal standard or tracer in analytical and research applications, including mass spectrometry and isotope-labeling studies.
- Deuterium-labeled (d3) form for accurate mass spectrometry quantification.
- Hydrochloride salt, stable solid suitable for analytical workflows.
- CAS number 53587-30-7 and molecular weight 192.66 g/mol.
- High isotopic enrichment and chemical purity for reliable internal standard performance.
- Suitable for preparation of calibration standards and method validation in bioanalysis.
Cambridge Isotope Laboratories Oxybenzone (phenyl-13C6 99%) 1 mg/mL in methanol 1 2 mL
Oxybenzone (phenyl-13C6 99%) 1 mg/mL in methanol 1 2 mL
