Isotopically Labeled Compounds
Cambridge Isotope Laboratories D-FRUCTOSE (U-13C6, 99%), 1 G, 201595-65-5
D-FRUCTOSE (U-13C6, 99%), 1 G, 201595-65-5
Medchemexpress LLC Cetirizine-d4 dihydrochloride | 83881-52-1 | 465.83 | 5 MG
Cetirizine-d4 dihydrochloride is a deuterium-labeled variant of Cetirizine, which is a second-generation antihistamine. It functions as a specific, orally active, and long-acting antagonist of the histamine H1-receptor. This compound exhibits antiallergic properties and can inhibit eosinophil chemotaxis during allergic responses. It is intended for research purposes only, particularly as a tracer or an internal standard for quantitative analysis.
- 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 ApIxabn-13C-d3 500ug
An internal standard for the quantification of apixaban by GC- or LC-MS
Medchemexpress LLC DL-methyldopa-d3 | 99.1% | 214.23 g/mol | C10H10D3NO4 | 5 MG
DL-methyldopa-d3 is a deuterium-labeled analogue of DL-methyldopa intended for use as a tracer and as an internal standard for quantitative analytical methods, including NMR, GC-MS, and LC-MS. It is supplied as a solid with high purity and storage stability suitable for research and analytical workflows.
- Deuterium-labeled internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- High purity (99.14%) appropriate for analytical applications.
- Solid, white to off-white appearance for easy handling and weighing.
- Stable under recommended storage conditions for reliable long-term use.
- Suitable as a tracer in pharmacokinetic and metabolic studies.
Medchemexpress LLC 3-methoxytyramine-d4 hydrochloride | 1216788-76-9 | MFCD06658564 | 99.0% | 207.69 g/mol | C9H10D4ClNO2 | 5 MG
3-Methoxytyramine-d4 hydrochloride is the deuterium-labeled analogue of 3-methoxytyramine supplied as a high-purity solid for research and analytical use. It is intended for laboratory applications as a tracer or internal standard in quantitative analytical workflows such as LC-MS, GC-MS, and NMR.
- Purity: 99.0%.
- Molecular weight: 207.69 g/mol.
- Appearance: white to off-white solid.
- CAS number: 1216788-76-9.
- Deuterated (d4) label for use as an internal standard or tracer.
- Available in small pack sizes for analytical work, including a 5 MG pack.
Revvity Health Sciences Inc OptiScint 14C Quench Standards, 20 mL Vial
OptiScint 14C Quench Standards, 20 mL Vial
Cayman Chemical OctnoIc AcId-d2 5mg
An internal standard for the quantification of octanoic acid by GC- or LC-MS
Revvity Health Sciences Inc Iodine-125 Radionuclide, 2mCi, Specific Activity: ~17Ci/mg, 10-5M NaOH (pH 8-11)
Iodine-125 Radionuclide, 2mCi, Specific Activity: ~17Ci/mg, 10-5M NaOH (pH 8-11)
Medchemexpress LLC Alosetron-d3 hydrochloride | 1189919-71-8 | 99.0% | 333.83 g/mol | C17H16D3ClN4O | 10 MG
Alosetron-d3 hydrochloride is a deuterium-labeled analogue of alosetron supplied as the hydrochloride salt. It is intended for use as an internal standard or tracer in quantitative analytical methods, including LC-MS, GC-MS, and NMR, for research applications.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for LC-MS, GC-MS, and NMR methods.
- High purity for analytical consistency.
- Supplied as a hydrochloride salt for improved stability and solubility.
- Provided in milligram quantities appropriate for analytical workflows.
Cayman Chemical W-MurIcholIc AcId-d4 5mg
An internal standard for the quantification of ω-MCA by GC- or LC-MS
Cayman Chemical ThIacloprId-d4 5mg
An internal standard for the quantification of thiacloprid by GC- or LC-MS
Medchemexpress LLC 4H-Pyrido[1,2-a]pyrimidin-4-one, 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl-... | 1020719-76-9 | 99.4% | 414.51 | 50 MG
Risperidone-d4 is the deuterium-labeled version of Risperidone. Risperidone functions as a serotonin 5-HT2 receptor blocker, a P-Glycoprotein inhibitor, and a potent dopamine D2 receptor antagonist. It exhibits Ki values of 4.8 nM for the 5-HT2A receptor and 5.9 nM for the dopamine D2 receptor. This product is intended for research use only and is not sold to patients.
- Can be utilized as a tracer.
- Serves as an internal standard for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS.
- Incorporates stable heavy isotopes of hydrogen, carbon, and other elements into drug molecules, primarily for quantitation as tracers during drug development.
- Deuteration has the potential to influence the pharmacokinetic and metabolic profiles of drugs.