Isotopically Labeled Compounds
Medchemexpress LLC L-Serine1-13C,15N | 2483830-04-0 | 107.08 | 1 MG
L-Serine1-13C,15N is the 13C- and 15N-labeled L-Serine, a non-essential amino acid central to cellular proliferation. It serves as a crucial tool for research in various analytical methods.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC L-Tryptophan-α,β,β,2,4,5,6,7-d8 | 1233395-93-1 | 212.27 | 100 MG
L-Tryptophan-d8 is the deuterium-labeled L-Tryptophan. L-Tryptophan is an essential amino acid and a precursor of serotonin, melatonin, and vitamin B3.
- 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, largely as tracers for quantitation during the drug development process.
- Deuteration has potential to affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC D-ribose-d6 | 99.9% | 156.17 g/mol | C5H4D6O5 | 1 MG
D-Ribose-d6 is a deuterium-labeled form of D-ribose used as an isotopic standard and tracer in analytical and biochemical research. It provides a mass-shifted reference for accurate identification and quantitation in MS and NMR studies, and is suitable for metabolic labeling and tracer experiments requiring deuterium enrichment.
- Deuterium-labeled (d6) isotopic standard.
- High purity, suitable for analytical use.
- Molecular weight 156.17 g/mol; formula C5H4D6O5.
- Compatible with mass spectrometry and NMR applications.
- Packaged for small-scale laboratory research.
Medchemexpress LLC Norfluoxetine-d5 hydrochloride | 1188265-34-0 | 99.3% | 336.79 | 10 MG
Norfluoxetine-d5 hydrochloride is a deuterium labeled chemical compound. It is a stable heavy isotope of hydrogen, carbon, and other elements that have been incorporated into drug molecules primarily as tracers for quantitation during the drug development process. Deuteration has gained attention due to 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
- Stable heavy isotopes have potential to affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Triphenylamine-d15 | 880462-20-4 | 99.0% | 260.41 | 25 MG
This product is a stable isotope-labeled compound, specifically a deuterium-labeled version of Triphenylamine. These types of compounds are primarily used in research applications, particularly as tracers for quantitative analysis during drug development. The incorporation of stable heavy isotopes like deuterium can impact 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.
- Stable heavy isotope.
- Potential to affect pharmacokinetic and metabolic profiles of drugs.
- For research use only.
Cayman Chemical Tafluprostfree acId-d4 100UG
An internal standard for the quantification of tafluprost (free acid) by GC-or LC-MS
Medchemexpress LLC β-Carotene-d8 | 53163-44-3 | 544.92 | 1 MG
β-Carotene-d8 | 53163-44-3 | 544.92 | 1 MG
Medchemexpress LLC Cinnamic acid-13C3 (3-phenylacrylic acid-13C3) | 2734410-01-4 | 151.14 | 5 MG
Cinnamic acid-13C3 (3-Phenylacrylic acid-13C3) is the 13C labeled Cinnamic acid. Cinnamic acid has potential use in cancer intervention, with IC50s of 1-4.5 mM in glioblastoma, melanoma, prostate and lung carcinoma cells.
- 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 Oleoyl EthnolamIde-d4 1mg
An internal standard for the quantification of OEA by GC- or LC-MS
Cayman Chemical Iloprost-d4 25UG
An internal standard for the quantification of iloprost by GC- or LC-MS
Medchemexpress LLC Olaparib-d5 (AZD2281-d5) | 2143107-56-4 | MFCD34469897 | 99.4% | 439.49 | C24H18D5FN4O3 | 5 MG
Olaparib-d5 is the deuterium-labeled stable isotope of the PARP inhibitor olaparib, supplied as a high-purity analytical reference standard for method development, quantitative analysis, and use as an internal standard in mass spectrometry workflows. It is provided in small, accurately weighed packages suitable for LC-MS and other sensitive analytical techniques.
- High purity (99.37%) for reliable analytical results.
- Deuterium labeling produces a clear mass shift for internal standard use in MS.
- Suitable for LC-MS method development and quantitative assays.
- Soluble in DMSO, DMF, and ethanol for flexible sample preparation.
- Available in small mg packages for precise weighing and low consumption.
Medchemexpress LLC Bortezomib-d8 | 98.0% | 392.29 g/mol | C19H17D8BN4O4 | 100 UG
Bortezomib-d8 is a deuterium-labeled analogue of the proteasome inhibitor bortezomib supplied as an isotope-labeled reference standard for analytical and research use. It is intended for mass spectrometry, pharmacokinetic, and mechanism-of-action studies where a labeled internal standard is required. The compound has molecular formula C19H17D8BN4O4, molecular weight 392.29 g/mol, and is supplied with reported chemical purity of 98.0%.
- Deuterium-labeled internal standard for mass spectrometry applications.
- High chemical purity (98.0%) for reliable analytical results.
- Supplied in small research quantities suitable for analytical workflows.
- Soluble in DMSO and ethanol with reported concentrations useful for stock preparation.
- Stable when stored at -20°C (solid) and for defined periods at -80°C in solution.
Medchemexpress LLC Regorafenib-d3 (BAY 73-4506-d3) | 1255386-16-3 | MFCD22380808 | 98.0% | 485.83 g·mol⁻¹ | C21H12D3ClF4N4O3 | 10 MG
Regorafenib-d3 is a deuterium-labeled analog of regorafenib supplied for use as a tracer and internal standard in quantitative analytical methods including LC-MS, GC-MS, and NMR. It is provided as a powder designed for method development, isotope-dilution assays, and pharmacokinetic studies.
- Deuterium-labeled internal standard for quantitative analysis
- Suitable for LC-MS, GC-MS, and NMR applications
- Supplied as a 10 mg powder
- High chemical purity (98.0%)
- Molecular weight 485.83 g·mol⁻¹; molecular formula C21H12D3ClF4N4O3
- Recommended storage: powder -20°C; in solvent -80°C for 6 months or -20°C for 1 month
Cayman Chemical StearIc AcId-d5 1mg
An internal standard for the quantification of stearic acid by GC- or LC-MS