Isotopically Labeled Compounds
Medchemexpress LLC Tridecane-d28 | 121578-12-9 | MFCD00145015 | 98.1% | 212.53 g/mol | C13D28 | 10 MG
Tridecane-d28 is the deuterium-labeled form of tridecane used as an isotopic reference standard for analytical and research applications. It is fully deuterated (C13D28), with high isotopic enrichment and is supplied in small pack sizes suitable for analytical use.
- fully deuterated alkane, useful as an internal standard for mass spectrometry
- reported purity about 98.05%
- molecular weight 212.53 g/mol and formula C13D28
- available in small research pack sizes for analytical workflows
- volatility similar to tridecane, suitable for GC applications
Medchemexpress LLC 1-Methylxanthine-d3 | 1216430-61-3 | 169.16 | 1 MG
1-Methylxanthine-d3 is a deuterated labeled form of 1-Methylxanthine, a caffeine derivative and an essential human urinary metabolite of caffeine and theophylline. It has been shown to enhance the radiosensitivity of tumor cells. This compound is intended for research use only and can serve as a tracer or an internal standard for quantitative analysis methods like NMR, GC-MS, or LC-MS.
- Used as a tracer
- Used as an internal standard for quantitative analysis
- Enhances the radiosensitivity of tumor cells
- Stable heavy isotopes incorporated for drug development quantitation
Cambridge Isotope Laboratories L-ALANINE (13C3, 97-99%; D4, 97-99%; 15N, 97-99%), 0.25 G
L-ALANINE (13C3, 97-99%; D4, 97-99%; 15N, 97-99%), 0.25 G
![Revvity Health Sciences Inc Methionine, L-[<sup>35</sup>S]-, 500µCi (18.5MBq), 50mM Tricine, 10mM BME](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502809042.jpg-250.jpg)
Revvity Health Sciences Inc Methionine, L-[35S]-, 500µCi (18.5MBq), 50mM Tricine, 10mM BME
Methionine, L-[35S]-, 500µCi (18.5MBq), 50mM Tricine, 10mM BME
Cayman Chemical Moclobemide-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 2929883-33-8, 5 mg
An internal standard for the quantification of moclobemide by GC- or LC-MS
Cayman Chemical Methotrexate-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 432545-63-6, 5 mg
An internal standard for the quantification of methotrexate by GC- or LC-MS
eMolecules 566-76-7 | Medchem Express | 16-Hydroxyestrone | 1mg | 713705683 | HY-113344 | MFCD00870436 | 286.371 | C18H22O3
Medchem Express | 16-Hydroxyestrone | 1mg | 713705683 | HY-113344 | 566-76-7 | MFCD00870436 | 286.371 | C18H22O3
![Revvity Health Sciences Inc L-[<sup>14</sup>C(U)]-Leucine, 1mCi (37MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810390.jpg-250.jpg)
Medchemexpress LLC Norethindrone-d6 | 2376036-05-2 | 99.9% | 5 MG
Norethindrone-d6 is the deuterium-labeled version of Norethindrone, a female progestin approved by the FDA for treating endometriosis, uterine bleeding due to abnormal hormone levels, and secondary amenorrhea. It functions as a click chemistry reagent, containing an Alkyne group that can participate in copper-catalyzed azide-alkyne cycloaddition (CuAAc) reactions with molecules possessing Azide groups.
- Can be used as a tracer and as an internal standard for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS.
- Incorporation of stable heavy isotopes like deuterium into drug molecules is primarily for quantitation as tracers during drug development.
- Deuteration can potentially influence the pharmacokinetic and metabolic profiles of drugs.
- Its Alkyne group enables participation in copper-catalyzed azide-alkyne cycloaddition (CuAAc) reactions.
Medchemexpress LLC 5Z,8Z,11Z,14Z-Eicosatetraenoic-16,16,17,17,18,18,19,19,20,20,20-d11 acid | 2692624-11-4 | 98.0% | 315.53 | 100 MG
Arachidonic acid-d11 is the deuterium labeled Arachidonic acid, an essential fatty acid and a major constituent of biomembranes. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs. This product has been tested and complies with the given specifications. Solution, -20°C, 2 years.
- Target: Endogenous Metabolite; Isotope-Labeled Compounds
- Pathway: Metabolic Enzyme/Protease; Others
- Appearance: Colorless to light yellow (Liquid)
Medchemexpress LLC Glycerol tristearate-d105 | 125941-88-0 | 99.6% | 997.13 g·mol⁻¹ | C57H5D105O6 | 5 MG
Tristearin-d105 is the deuterium-labeled form of tristearin, a triglyceride composed of three stearic acid units. Supplied as a high-purity, isotope-labeled standard, it is intended for research use as a tracer or internal standard in quantitative analyses and for formulation studies involving lipid-based delivery systems.
- Deuterium-labeled triglyceride for tracing studies.
- High purity suitable for quantitative NMR, GC-MS, and LC-MS.
- Suitable as an internal standard for mass spectrometry assays.
- Applicable to solid-lipid nanoparticle formulation research.
- Supplied in small, weighed quantities optimized for analytical workflows.
Medchemexpress LLC HEPES-d18 | 203805-87-2 | 99.9% | 25 MG
HEPES-d18 is the deuterium labeled HEPES. It is a nonvolatile zwitterionic chemical buffering agent widely used in cell culture, effective at pH 6.8 to 8.2, and also a potent inducer of lysosome biogenesis. This compound can be used as a tracer or as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration has the potential to affect pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Arachidic acid-d3 | 202480-70-4 | 315.55 | 5 MG
Arachidic acid-d3 is a deuterium-labeled version of Arachidic acid. Arachidic acid, also known as Eicosanoic acid, is a long-chain saturated fatty acid found in the human body within plasma phospholipids, fish, cannabis, and other plant oils. When conjugated with Chitosan oligosaccharide, Arachidic acid can be used in anti-cancer drug delivery research.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis through NMR, GC-MS, or LC-MS.
- Deuterium substitution has the potential to influence the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Pemafibrate-d4 | 2924193-31-5 | 99.8% | 494.57 | 1 MG
Pemafibrate-d4 is deuterated labeled Pemafibrate (HY-17618). Pemafibrate is a highly selective PPARα agonist, with an EC50 of 1 nM. It is for research use only.
- 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.
- Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Levofloxacin-d8 | 1217716-71-6 | 99.8% | 5 MG
Levofloxacin-d8 is the deuterium-labeled version of Levofloxacin. Levofloxacin is a synthetic fluoroquinolone and an antibacterial agent that inhibits the supercoiling activity of bacterial DNA gyrase, thereby halting DNA replication. It 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