Isotopically Labeled Compounds
Medchemexpress LLC Phenol, 5-chloro-2-(4,6-dichlorophenoxy-2,3,5-d3)- | 1020719-98-5 | 98.2% | 1 MG
Triclosan-d3 is the deuterium labeled Triclosan. Triclosan is an antibacterial and antifungal agent found in consumer products, including soaps, detergents, toys, and surgical cleaning treatments.
- 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.
- Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, primarily as tracers for quantitation during the drug development process.
- Deuteration has garnered attention due to its potential to influence the pharmacokinetic and metabolic profiles of drugs.
![Medchemexpress LLC Benzenemethanol, 4-amino-3,5-dichloro-α-[[[1,1-di(methyl-d3)ethyl-2,2,2-d3]amino]methyl]- | 129138-58-5 | ≥99.0% | 5 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000411662-logo.png-250.jpg){kind=logo}
Medchemexpress LLC Benzenemethanol, 4-amino-3,5-dichloro-α-[[[1,1-di(methyl-d3)ethyl-2,2,2-d3]amino]methyl]- | 129138-58-5 | ≥99.0% | 5 MG
Clenbuterol-d9 is a deuterium labeled form of Clenbuterol. Clenbuterol (NAB-365) is a β2-adrenergic receptor agonist with an EC50 of 31.9 nM. This compound is intended for research use only.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Sudan III-d6 | 1014689-17-8 | 93.0% | 5 MG
Sudan III-d6 is a deuterium-labeled Sudan III. Sudan III is a hydrophobic bisazo dye. It is intended for research use only and not for sale to patients.
- 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 can be used as tracers for quantitation during drug development.
- Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC p-Toluic acid-d7 | 1219798-76-1 | MFCD06658857 | 99.7% | 10 MG
p-Toluic acid-d7 is the deuterium-labeled form of p-toluic acid (4-methylbenzoic acid), provided as a stable-isotope reference standard for analytical chemistry, metabolite tracing, and mass spectrometry applications. CAS 1219798-76-1; molecular weight 143.19 g/mol. Certificate of analysis reports high chemical purity and isotopic enrichment.
- High isotopic enrichment for accurate mass spectrometry.
- High chemical purity (~99.7% as reported by COA).
- Small 10 mg size suitable for method development and standards.
- Supplied with certificate of analysis and safety data sheet for traceability.
- Stable solid form, convenient for storage and handling.
Medchemexpress LLC (±)12(13)-DiHOME-d4 | 59981-84-9 | 99.0% | C18H30D4O4 | 25 UG
(±)12(13)-DiHOME-d4 is a deuterium labeled form of (±)12(13)-DiHOME. It is used as a stable heavy isotope tracer in drug development to study pharmacokinetic and metabolic profiles, and for quantitative analysis.
- Serves as an internal standard for quantitative analysis
- Compatible with techniques such as NMR, GC-MS, or LC-MS
- Incorporation of stable heavy isotopes can affect pharmacokinetic and metabolic profiles
Sigma Aldrich Fine Chemicals Biosciences Ammonium 15N chloride 98 a50G
Ammonium 15N chloride 98 a50G
Medchemexpress LLC Fumaric acid-d4 | 194160-45-7 | MFCD00190450 | 98.0% | 120.10 g·mol^-1 | C4D4O4 | 50 MG
Fumaric acid-d4 is the deuterium-labeled analogue of fumaric acid supplied as a stable isotope standard for analytical and research use. It is intended for metabolomics, tracer studies, and mass spectrometry assays requiring isotopically labeled internal standards, and supports investigations into fumarase deficiency and oncometabolite pathways.
- Deuterium-labeled internal standard for analytical assays.
- Molecular formula C4D4O4, molecular weight 120.10 g·mol^-1.
- High isotopic enrichment suitable for mass spectrometry.
- Available in small pack sizes appropriate for research workflows.
- Used in metabolomics, tracer, and biochemical pathway studies.
Medchemexpress LLC DL-Aspartic acid-d3 | 14341-75-4 | MFCD00144167 | 99.6% | 136.12 g/mol | C4H4D3NO4 | 10 MG
DL-Aspartic acid-d3 is a deuterium-labeled form of DL-aspartic acid used as a stable isotope tracer in biochemical and pharmacological research. Supplied as a white to off-white solid in small research pack sizes, it supports studies of amino acid metabolism, prodrug design targeting colon tissues, and inflammatory condition research.
- Deuterium-labeled tracer suitable for metabolic and pharmacokinetic studies.
- High isotopic and chemical purity for accurate analytical results.
- Provided as a solid, white to off-white powder for convenient handling.
- Available in small research pack sizes for laboratory-scale experiments.
- Stable under recommended storage conditions for reliable long-term use.
Medchemexpress LLC Levosulpiride-d3 | 124020-27-5 | 99.8% | 1 MG
Levosulpiride-d3 is the deuterium labeled Levosulpiride, an (S)-enantiomer of sulpiride that acts as a D2 receptor antagonist and atypical antipsychotic agent of the benzamide class. This compound is for research use only.
- 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 been incorporated into drug molecules for quantitation during drug development.
![Cambridge Isotope Laboratories GLYCAN-N34-13C-GAL6,6',6'' ([GALACTOSE-13C6, 99%]3)*, 500 PMOL](https://assets.fishersci.com/TFS-Assets/CCG/product-images/VN00015402-CIL-LOGO.JPG-250.jpg){kind=logo}
Cambridge Isotope Laboratories GLYCAN-N34-13C-GAL6,6',6'' ([GALACTOSE-13C6, 99%]3)*, 500 PMOL
GLYCAN-N34-13C-GAL6,6',6'' ([GALACTOSE-13C6, 99%]3)*, 500 PMOL
Medchemexpress LLC Raloxifene-d4 hydrochloride | 1188263-47-9 | 98.6% | 514.07 | 500 UG
Raloxifene-d4 hydrochloride is the deuterium labeled form of Raloxifene, a benzothiophene-derived selective estrogen receptor modulator (SERM). It exhibits estrogen-agonistic effects on bone and lipids, and estrogen-antagonistic effects on the breast and uterus. This compound is utilized in breast cancer and osteoporosis research.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Exhibits estrogen-agonistic effects on bone and lipids
- Shows estrogen-antagonistic effects on the breast and uterus
- Valuable for breast cancer and osteoporosis research
Medchemexpress LLC Deruxtecan-d5 | 98.4% | 1039.08 | 25 MG
Deruxtecan-d5 is a deuterium-labeled version of Deruxtecan, an ADC (Antibody-Drug Conjugate) drug-linker conjugate. It consists of a DX-8951 derivative and a maleimide-GGFG peptide linker, and is utilized in the synthesis of DS-8201 and U3-1402. This compound is intended for research use, specifically as a tracer or an internal standard for quantitative analysis methods like NMR, GC-MS, or LC-MS.
- Deuterium labeled compound
- Can be used as a tracer
- Internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Used for synthesizing DS-8201 and U3-1402
- Off-white to light yellow solid
- For research use only
- Store at -20°C, sealed, away from moisture and light. In solvent, store at -80°C for 6 months or -20°C for 1 month.
Medchemexpress LLC Glycine-1-13C,15N | 112898-03-0 | MFCD00064425 | 99.5% | 77.05 g·mol⁻¹ | C13CH515NO2 | 25mg
Glycine-1-13C 15N is the 13C- and 15N-labeled Glycine Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors