Other Solvents
Medchemexpress LLC 1,3-diphenylurea-d10 | 108009-46-7 | 99.0% | 222.31 g·mol-1 | C13H2D10N2O | 10 MG
1,3-Diphenylurea-d10 is a deuterium-labeled analogue of 1,3-diphenylurea used as a stable isotope reagent and internal standard in analytical and tracer studies. Supplied in small research quantities, it is intended for use in mass spectrometry method development, quantitative analysis, and mechanistic experiments requiring isotopic labeling.
- Deuterium-labeled internal standard for mass spectrometry and tracer studies.
- High purity (99.0%) suitable for quantitative analysis.
- Molecular weight approximately 222.31 g·mol-1; formula C13H2D10N2O.
- Supplied in small research pack sizes for analytical workflows.
- Defined storage recommendations for neat and solvent conditions to preserve stability.
Revvity Health Sciences Inc Phosphorus-32 Radionuclide, 2mCi (74MBq), Specific Activity: 900-1100mCi (33.3-40.7GBq)/mmol, Monopotassium Phosphate In 1mL Water
Phosphorus-32 Radionuclide, 2mCi (74MBq), Specific Activity: 900-1100mCi (33.3-40.7GBq)/mmol, Monopotassium Phosphate In 1mL Water
Medchemexpress LLC Tristearin-d9 | 285979-76-2 | MFCD01075451 | >=98.0% | 900.54 g/mol | C57H101D9O6 | 5 MG
Tristearin-d9 is the deuterium-labeled form of tristearin, a triglyceride made from three stearic acid units. It is used as a stable isotope-labeled standard in analytical and metabolic research, supporting accurate quantitation and tracing in lipid studies.
- Deuterium-labeled triglyceride for use as an internal standard in analytical methods.
- High isotopic enrichment (≈99 atom % D) and ≥98% chemical purity for reliable quantitation.
- Appropriate for mass spectrometry and lipid metabolism tracing studies.
- Supplied in a research-scale quantity suitable for method development.
- Stable under typical storage conditions; follow provided handling instructions and documentation.
Cayman Chemical DIfloxacIn-d3 1mg
An internal standard for the quantification of difloxacin by GC- or LC-MS
Medchemexpress LLC (S)-Lathosterol-d4 | 1182005-25-9 | 99.7% | 390.68 | 500 UG
(S)-Lathosterol-d4 is a deuterium-labeled derivative of (S)-Lathosterol. Lathosterol itself is a molecule similar to cholesterol. The concentration of serum lathosterol is used as an indicator for the synthesis of cholesterol in the whole body. This compound is intended for research use only and is not sold to patients.
- Deuterium labeled (S)-Lathosterol.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by techniques such as NMR, GC-MS, or LC-MS.
- Stable heavy isotopes of hydrogen, carbon, and other elements can be incorporated into drug molecules for use as tracers in drug development.
- Deuteration can potentially influence the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC DEHP-d4 (Bis(2-ethylhexyl) phthalate-d4) | 93951-87-2 | MFCD00143759 | 99.9% | 1 ML
DEHP-d4 is a deuterium-labeled variant of Bis(2-ethylhexyl) phthalate (DEHP), an endogenous metabolite. This compound is intended for research purposes, specifically as a tracer or an internal standard for quantitative analysis through methods such as NMR, GC-MS, or LC-MS. Deuterium substitution in drug molecules has been noted for its potential to alter pharmacokinetic and metabolic profiles.
Features and Benefits:
- Used as a tracer.
- Serves as an internal standard for quantitative analysis.
- Applicable in NMR, GC-MS, or LC-MS analysis.
- Deuterium labeling can impact pharmacokinetic and metabolic profiles.
- High purity of 99.9%.
Medchemexpress LLC Salcaprozate-d4 sodium | 203787-91-1 | 99.7% | 305.34 | 2 MG
Salcaprozate-d4 (sodium) is a deuterated labeled Salcaprozate (sodium). Salcaprozate sodium (SNAC) is an oral absorption promoter and has potential as a delivery agent for oral forms of heparin and insulin. It can increase passive transcellular permeation across small intestinal epithelia due to increased lipophilicity arising from non-covalent macromolecule complexation.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Shows no toxicity to Caco-2 cells at certain concentrations.
- Improves apparent permeability coefficient of RA and SA-B.
- Improves oral absorption of R1 and SAs and enhances bioavailability in rats.
Medchemexpress LLC D-Fructose-d4 | 478518-49-9 | 1 MG
D-Fructose-d4 is the deuterium-labeled form of D-Fructose, a naturally occurring monosaccharide found in many plants.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
![Revvity Health Sciences Inc RTI-55, [<sup>125</sup>I]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812379.jpg-250.jpg)
Medchemexpress LLC Perphenazine-d4 | 155593-75-2 | 98.83% | C21H22D4ClN3OS | 1 MG
Perphenazine-d4 is the deuterium labeled Perphenazine, a typical antipsychotic agent that inhibits several receptors, including the 5-HT2A receptor, Alpha-1A adrenergic receptor, Dopamine receptor D2/D3, D2L receptor, and Histamine H1 receptor. Deuterium substitution in drug molecules, as seen in Perphenazine-d4, has garnered attention due to its potential to influence the pharmacokinetic and metabolic profiles of drugs. The product is a solid, ranging in color from white to off-white, with a molecular weight of 407.99. It dissolves in DMSO at 100 mg/mL, though ultrasonic treatment may be required.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Dexpramipexole-d3 dihydrochloride | 1432230-09-5 | 287.27 | 1 MG
Dexpramipexole-d3 dihydrochloride is a deuterium-labeled version of Dexpramipexole. It is a neuroprotective agent and a weak non-ergoline dopamine agonist.
- 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 are incorporated into the molecule.
- Potential to affect pharmacokinetic and metabolic profiles.
Medchemexpress LLC Pyrimethamine-d3 | 1189936-99-9 | 99.90% | 251.73 | 1 MG
Pyrimethamine-d3 is the deuterium labeled Pyrimethamine. Pyrimethamine is a medication used for protozoal infections; it interferes with tetrahydrofolic acid synthesis from folic acid by inhibiting the enzyme dihydrofolate reductase (DHFR).
- 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.
Medchemexpress LLC DL-tartaric acid-d2 | 181376-62-5 | MFCD06261252 | 98.0% | 152.10 | C4H4D2O6 | 1mg
DL-Tartaric acid-d2 is the deuterium labeled DL-Tartaric acid (HY-Y1315)[1]
Medchemexpress LLC N-acetyl dapsone-d4 | 2070015-08-4 | MFCD28900735 | 98.0% | 294.36 | C14H10D4N2O3S | 10 MG
N-Acetyl dapsone-d4 is the deuterium-labeled form of N-acetyl dapsone, the primary metabolite of dapsone. It is supplied as an isotope-labeled analytical standard for research and quantitative analytical applications.
- Deuterium-labeled internal standard for LC-MS and GC-MS.
- Suitable for quantitative and metabolic studies.
- Molecular formula C14H10D4N2O3S; molecular weight 294.36.
- Packaged as a 10 mg vial for laboratory use.
- Intended for research use only; not for human or veterinary use.