Isotopically Labeled Compounds
Medchemexpress LLC Nizatidine-d3 | 1246833-99-7 | MFCD32641299 | 98.8% | 334.48 | C12H18D3N5O2S2 | 10 MG
Nizatidine-d3 is the deuterium-labeled form of nizatidine supplied as an isotope-labeled reference standard for research applications, including mass spectrometry, pharmacokinetic, and metabolic studies. It is intended for use as a labeled internal standard to support quantitative analytical workflows.
- Deuterium-labeled internal standard for mass spectrometry assays.
- High chemical purity: 98.8%.
- CAS number 1246833-99-7 for unambiguous identification.
- Available in small-mass packaged quantities suitable for analytical use.
- Useful for ADME, PK/PD, and quantitative analytical studies.
Cayman Chemical LIthocholIc AcId-d4 1mg
An internal standard for the quantification of lithocholic acid by GC- or LC-MS
Cayman Chemical 3-oxo DeoxycholIc AcId 10mg
A secondary bile acid; a metabolite of deoxycholic acid in C. perfringens
Medchemexpress LLC L-Isoleucine-¹⁵N,d10 | 73-32-5 | 142.23 | 5 MG
L-Isoleucine-15N,d10 is an isotopically labeled form of L-Isoleucine, an essential amino acid. This compound is enriched with both deuterium (d10) and nitrogen-15 (15N) isotopes, making it highly valuable for various research applications. It is commonly employed in studies involving protein structure and dynamics, metabolic pathways, and nuclear magnetic resonance (NMR) spectroscopy, where isotopic labeling helps in tracing and identifying specific molecules and their interactions.
- Isotopically labeled for research applications.
- Enriched with deuterium and nitrogen-15 isotopes.
- Useful for tracing metabolic pathways.
- Ideal for NMR spectroscopy studies.
- Supports research in protein structure and dynamics.
Medchemexpress LLC Nonanoic acid-d2 | 62689-94-5 | 100 MG
Nonanoic acid-d2 is a deuterium-labeled, naturally occurring saturated fatty acid with nine carbon atoms. It reduces bacterial translocation, enhances antibacterial activity, and increases the secretion of porcine β-defensins 1 (pBD-1) and pBD-2. This compound serves as a tracer or internal standard for quantitative analysis methods such as NMR, GC-MS, or LC-MS. Deuterium incorporation in drug molecules allows for tracer applications in drug development, potentially influencing pharmacokinetic and metabolic profiles.
- Deuterium-labeled nonanoic acid
- Reduces bacterial translocation
- Enhances antibacterial activity
- Increases secretion of porcine β-defensins 1 (pBD-1) and pBD-2
- Functions as a tracer in drug development
- Serves as an internal standard for quantitative analysis (NMR, GC-MS, LC-MS)
- May affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Pomalidomide-d4 | 1416575-78-4 | 96.4% | 277.27 | 100 MG
Pomalidomide-d4 is the deuterium labeled Pomalidomide. Pomalidomide, the third-generation immunomodulatory agent, acts as molecular glue. Pomalidomide interacts with the E3 ligase cereblon and induces degradation of essential Ikaros transcription factors.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Amantadine-d6 | 1219805-53-4 | MFCD19704894 | 98.1% | 157.29 | C10H11D6N | 10 MG
Amantadine-d6 is a deuterium-labeled analogue of amantadine supplied as a stable isotope standard for research and analytical applications, including mass spectrometry, metabolic, and pharmacokinetic studies.
- Deuterium-labeled (d6) amantadine for stable isotope applications.
- High chemical and isotopic purity (98.1%).
- Molecular formula C10H11D6N; molecular weight 157.29.
- Suitable as an internal standard for LC-MS/MS and other analytical methods.
- Available in small-mass packaging for analytical workflows (e.g., 10 MG).
Medchemexpress LLC Pirfenidone-d5 | 1020719-62-3 | MFCD07369537 | 98.9% | 190.25 g/mol | C12H6D5NO | 10 MG
Pirfenidone-d5 is the deuterium-labeled isotopologue of pirfenidone used as an analytical reference and internal standard in quantitative mass spectrometry and pharmacokinetic studies. It provides a chemically similar labeled compound for accurate quantitation of pirfenidone in biological and biochemical assays.
- Deuterium-labeled internal standard for LC-MS/MS assays
- High purity (~98.9%) suitable for analytical use
- Molecular weight 190.25 g/mol; formula C12H6D5NO
- Available as a 10 mg vial for laboratory use
- Suitable for pharmacokinetic and metabolic studies
Medchemexpress LLC 5'-Guanylic acid-15N5 dilithium | 85-32-5 | 5 MG
5'-Guanylic acid-15N5 dilithium is the 15N labeled version of 5'-Guanylic acid. 5'-Guanylic acid (5'-GMP) plays a role in several metabolic disorders, including the AICA-ribosiduria pathway, adenosine deaminase deficiency, adenine phosphoribosyltransferase deficiency (aprt), and the 2-hydroxyglutric aciduria pathway. It is intended for research use only and not for sale to patients.
- Utilized as a tracer.
- Serves as an internal standard for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS.
- Stable heavy isotope.
- Involved in metabolic pathways.
- Intended for research use only.
Medchemexpress LLC Atovaquone-d4 | 2070015-14-2 | 99.8% | 370.86 | 500 UG
Atovaquone-d4 is a deuterium-labeled Atovaquone, used as a medication to treat or prevent pneumocystis pneumonia, toxoplasmosis, malaria, and babesia. This compound can be utilized as a tracer and an internal standard for quantitative analysis. Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules for quantitation during drug development. Deuteration 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