Isotopically Labeled Compounds
Sigma Aldrich Fine Chemicals Biosciences Benzoyl chloride-alpha-13C 99 atom % 13C | 52947-05-4 | MFCD00000654 | 1G
Benzoyl chloride-alpha-13C 99 atom % 13C | Mol Wt: 141.56 | 52947-05-4 | MFCD00000654 | 1G
Medchemexpress LLC L-Tryptophan-d5 | 62595-11-3 | 209.26 | 50 MG
L-Tryptophan-d5 is a deuterium labeled form of L-Tryptophan, an essential amino acid and a precursor to serotonin, melatonin, and vitamin B3. This stable isotope can be utilized as a tracer in various studies or as an internal standard for quantitative analysis methods like NMR, GC-MS, or LC-MS. Deuteration may influence the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis
- Deuteration has the potential to affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Umbelliferone-d5 | 1215373-23-1 | 167.17 | 2.5 MG
Umbelliferone-d5 (7-Hydroxycoumarin-d5) is a deuterium-labeled coumarin derivative, a natural and orally active compound. It is a fluorescing agent and has shown diverse biological activities including anticancer, anti-inflammatory, and neuroprotective effects. This compound serves as a valuable tool for quantitative analysis in research.
- Deuterium-labeled for quantitative analysis
- Can be used as a tracer in drug development
- Acts as an internal standard for techniques like NMR, GC-MS, or LC-MS
- Exhibits anticancer effects by inducing cell cycle arrest and apoptosis
- Attenuates allergic airway inflammation
- Displays neuroprotective, anti-inflammatory, and antioxidant properties
Cambridge Isotope Laboratories Oxydemeton-methyl (di-o-methyl-D6 98%) 100 ug/mL in acetonitrile 1 2 mL
Oxydemeton-methyl (di-o-methyl-D6 98%) 100 ug/mL in acetonitrile 1 2 mL
Cambridge Isotope Laboratories 1 2 4 5-Tetrachlorobenzene (unlabeled) 100 ug/mL in isooctane 1 2 mL
1 2 4 5-Tetrachlorobenzene (unlabeled) 100 ug/mL in isooctane 1 2 mL
![Cambridge Isotope Laboratories Benzo[c]phenanthrene (unlabeled) 100 ug/mL in nonane 1 2 mL](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000166918.jpg-250.jpg)
Cambridge Isotope Laboratories Benzo[c]phenanthrene (unlabeled) 100 ug/mL in nonane 1 2 mL
Benzo[c]phenanthrene (unlabeled) 100 ug/mL in nonane 1 2 mL
Cayman Chemical NIfuroxazIde-d4 5mg
An internal standard for the quantification of nifuroxazide by GC- or LC-MS
Medchemexpress LLC Daidzein-d6 | 291759-05-2 | 96.1% | 260.27 | 1 MG
Daidzein-d6 is a deuterium labeled Daidzein, a soy isoflavone that acts as a PPAR activator. It can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Stable heavy isotopes have been incorporated into drug molecules largely as tracers for quantitation during drug development. Deuteration has potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Acts as a PPAR activator
- Suitable for use as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Features stable heavy isotopes incorporated into the molecule
- Potential to affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC D-ribose-d2 | 478506-32-0 | MFCD08459971 | 98.0% | 152.14 g/mol | C5H8D2O5 | 10 MG
D-Ribose-d2 is the deuterium-labeled form of D-ribose used as a stable isotope standard and tracer in metabolic and biochemical research. It is supplied as a solid with high stated purity and is available in multiple pre-weighed sizes for analytical and preparative workflows.
- Deuterium-labeled standard for metabolic tracing.
- High purity suitable for analytical applications.
- Available in multiple pre-weighed sizes, including 10 mg.
- Solid form with long-term stability when stored frozen.
- Provided with datasheet, certificate of analysis, and safety data sheet.
Medchemexpress LLC Fumaric acid-d4 | 194160-45-7 | MFCD00190450 | 98.0% | 120.10 | C4D4O4 | 5 MG
Deuterium-labeled fumaric acid (fumaric acid-d4) is an isotopically labeled reference material for use in metabolomics, tracer experiments, and analytical method development. It provides a characterized standard for quantitation and pathway studies involving fumaric acid and related metabolites.
- HPLC purity 98%.
- Molecular formula C4D4O4; molecular weight 120.10.
- Suitable for metabolomics and tracer studies.
- Supplied as a small-mass solid for analytical use.
- Certificate of analysis available for batch-specific validation.
Medchemexpress LLC L-Lactate-13C sodium | 201595-69-9 | 98.0% | 113.05 | 5 MG
L-Lactate-13C sodium is the 13C-labeled version of L-Lactic acid sodium. It serves as a building block and can be utilized as a precursor for the production of the bioplastic polymer poly-lactic acid. L-Lactic acid sodium also exhibits antiproliferative activity. This compound can be used as a tracer and an internal standard for quantitative analysis. Stable heavy isotopes, including carbon-13, are incorporated into drug molecules as tracers in drug development, with deuteration noted for its potential impact on pharmacokinetic and metabolic profiles.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Potential to affect pharmacokinetic and metabolic profiles of drugs (in vitro)
Medchemexpress LLC Benzothioamide-d5 | 1219804-59-7 | >98.0% | 142.23 g/mol | C7H2D5NS | 10 MG
Benzothioamide-d5 is a deuterium-labeled benzothioamide supplied as a solid powder for research use. It is intended as a tracer or internal standard to improve quantitation in analytical workflows and may be used to investigate pharmacokinetic or metabolic differences introduced by deuteration.
- Deuterium-labeled (d5) for use as tracer or internal standard.
- Suitable for NMR, GC-MS, and LC-MS quantitative analysis.
- Solid powder form for ease of handling and storage.
- Available in multiple small-mass sizes for analytical applications.
- Stable when stored at -20 °C; in solvent stability at -80 °C for short-term storage.
Medchemexpress LLC Creatine-d5 monohydrate | 99.9% | 154.18 g/mol | C4H6D5N3O3 | 5 MG
Creatine-d5 monohydrate is a deuterium-labeled form of creatine monohydrate used as a stable-isotope internal standard and analytical reference for quantitative LC-MS/MS and tracer studies. It separates from unlabeled creatine, enabling accurate quantitation in biological, food, and analytical matrices.
- Stable-isotope labeled for use as an internal standard.
- High purity (99.93%) for reliable analytical performance.
- Suitable for LC-MS/MS quantitation and tracer studies.
- Small package sizes support method development and validation.
- Provides a clear mass shift from unlabeled analyte for peak identification.