Isotopically Labeled Compounds
Medchemexpress LLC Ketotifen-d3 fumarate | 1795138-23-6 | 428.52 | C23H20D3NO5S | 10 MG
Ketotifen-d3 fumarate is the deuterium-labeled fumarate salt of ketotifen, provided as a research reagent and stable isotope for analytical applications. It functions as a noncompetitive H1-antihistamine and mast cell stabilizer and is intended for laboratory use only.
- Deuterium-labeled internal standard for LC-MS quantification.
- Fumarate salt form suitable for method development and tracer studies.
- Available in small, precise pack sizes for analytical workflows.
- Intended for research use only; not for clinical or diagnostic use.
Cayman Chemical GalIc AcId-d2 50mg
An internal standard for the quantification of gallic acid by GC- or LC-MS
Medchemexpress LLC NSC 10281-d4 | 1219802-01-3 | 10mg
NSC 10281-d4 is the deuterium labeled NSC 10281[1]
Medchemexpress LLC ZLN005-d4 | 2410443-42-2 | 99.5% | 254.36 g·mol⁻1 | C17H14D4N2 | 10 MG
ZLN005-d4 is the deuterium-labeled analogue of ZLN005, a small-molecule activator of PGC-1α (peroxisome proliferator-activated receptor-γ coactivator-1α). Supplied as a white to off-white solid with high analytical purity, it is intended for use as a tracer and as an internal standard in quantitative NMR, GC-MS, and LC-MS workflows.
- Deuterium-labeled internal standard for quantitative analysis.
- High purity (99.5%) suitable for analytical and tracer applications.
- Molecular formula C17H14D4N2; molecular weight 254.36 g·mol⁻1.
- Solid, white to off-white appearance for straightforward handling.
- Recommended storage: powder -20 °C (long term) or 4 °C (intermediate); in solvent -80 °C (short term).
- Useful as a tracer or internal standard for NMR, GC-MS, and LC-MS quantitation.
Cayman Chemical BrImonIdIn-d4 5mg
An internal standard for the quantification of brimonidine by GC- or LC-MS
Medchemexpress LLC Ethylmalonic acid-d3 | 70907-93-6 | 98.0% | 135.13 | C5H5D3O4 | 10 MG
Ethylmalonic acid-d3 is the deuterium-labeled analogue of ethylmalonic acid used as an analytical standard and stable isotope tracer in metabolic research and mass spectrometry. Supplied as a white to off-white solid in milligram quantities, it is intended for research use only.
- Deuterium-labeled internal standard for mass spectrometry and quantification.
- High chemical purity: 98.0%.
- Molecular weight: 135.13 g/mol.
- Chemical formula: C5H5D3O4, d3 isotopologue suitable for tracer studies.
- Supplied in small milligram pack sizes for analytical applications.
Medchemexpress LLC Ezetimibe-d4 (SCH 58235-d4) | 1093659-90-5 | 98.84% | 413.45 | 1 MG
Ezetimibe-d4 (SCH 58235-d4) is the deuterium labeled Ezetimibe (HY-17376). Ezetimibe (SCH 58235) is a potent cholesterol absorption inhibitor, a Niemann-Pick C1-like1 (NPC1L1) inhibitor, and a potent Nrf2 activator.
- 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.
- Deuteration has potential to affect pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Valsartan-d3 | 1331908-02-1 | 94.4% | 438.54 | 1 MG
Valsartan-d3 is the deuterium labeled Valsartan. Valsartan is an angiotensin II receptor antagonist and has the potential for high blood pressure and heart failure research. This compound can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled compound
- Angiotensin II receptor antagonist
- Potential for high blood pressure and heart failure research
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuteration may affect pharmacokinetic and metabolic profiles
Medchemexpress LLC L-glutamine-15N2 | 204451-48-9 | MFCD00084216 | 99.1% | 148.13 | C5H10(15N)2O3 | 10 MG
L-Glutamine-15N2 is the 15N2 isotopically labeled form of the amino acid L-glutamine, supplied as a solid powder for tracer and analytical work. It is intended for use in metabolic flux analysis, NMR, and LC-MS/MS experiments that require 15N labeling.
- Stable isotope labeled amino acid for tracer and isotope-labeling studies.
- High chemical purity and isotopic enrichment suitable for LC-MS and NMR workflows.
- Available in small research pack sizes, including a 10 mg vial.
- Soluble in water and DMSO with specified solubility and handling instructions.
- Store powder at -20°C for long-term stability; follow solvent storage recommendations.
Medchemexpress LLC Phenylbutyrate-d11 sodium | 1392208-11-5 | MFCD30742904 | 98.0% | 197.2 g/mol | C10D11NaO2 | 10 MG
Phenylbutyrate-d11 sodium is the deuterium-labeled sodium salt of 4-phenylbutyrate supplied as a small research reagent for use as a stable-isotope standard, tracer, or analytical reference in mass spectrometry and pharmacokinetic studies.
- High isotopic labeling (d11) suitable for tracer and quantitation studies.
- Provided as the sodium salt for improved aqueous handling.
- Small 10 mg pack convenient for analytical standards and method development.
- Suitable as an internal standard in LC-MS/MS and other analytical workflows.
- Accompanied by safety and product documentation for traceability and safe handling.
Cayman Chemical AmlodIpIn-d4maleate 1mg
An internal standard for the quantification of amlodipine by GC- or LC-MS