Isotopically Labeled Compounds
Medchemexpress LLC Trametinib-d4 | 00-00-0 | 99.9% | 619.42 | C26H19D4FIN5O4 | 5 MG
Trametinib-d4 is the deuterium-labeled analogue of trametinib supplied as a high-purity, research-grade isotopic standard. It is used as an internal standard or reference in analytical, pharmacokinetic, and mechanistic studies of MEK inhibition and MAPK/ERK pathway modulation. The compound is provided for research use only and should be handled per laboratory safety guidance.
- Deuterium-labeled internal standard for analytical assays.
- High purity (~99.9%) suitable for quantitative mass spectrometry.
- Molecular formula and weight defined for accurate calibration and identification.
- Soluble in DMSO for convenient preparation of stock solutions.
- Intended for research use only; not for clinical or human use.
Cambridge Isotope Laboratories Quinic acid (1 2-13C2 carboxyl-13C 98%) CP 95% 1 mg
Quinic acid (1 2-13C2 carboxyl-13C 98%) CP 95% 1 mg
Medchemexpress LLC Ethyl octanoate-d15 | 1219798-38-5 | MFCD12022204 | 98.5% | 187.36 g/mol | C10H5D15O2 | 10 MG
Ethyl octanoate-d15 is the deuterium-labeled analogue of ethyl octanoate provided as a high-purity isotopically labeled standard for analytical and research use. It is intended for use as an internal standard or tracer in mass spectrometry and chromatographic methods to support accurate quantitation and reliable peak identification.
- High isotopic enrichment for clear mass shifts in MS analyses.
- Purity 98.5% supports reproducible analytical results.
- Available in small mg-scale packages for method development.
- Liquid form facilitates solution preparation and sample spiking.
- Suitable for GC-MS and LC-MS internal standard applications.
Medchemexpress LLC Uridine-d2 | 82740-98-5 | 99.0% | 5 MG
Uridine-d2 is the deuterium labeled Uridine. It is for research use only and can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Deuteration has gained attention due to its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis
- Suitable for NMR, GC-MS, or LC-MS applications
- Deuteration may affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Dimethylamine-d6 hydrochloride | 53170-19-7 | MFCD00064544 | 98.0% | 1g
Dimethylamine-d6 hydrochloride is a deuterium labeled Dimethylamine hydrochloride Dimethylamine hydrochloride is the immediate precursor of dimethylnitrosamine a known potent carcinogen in a wide variety of animal species[1]
Medchemexpress LLC Devimistat-d10 | 2586055-61-8 | C22H18D10O2S2 | 50 MG
Devimistat-d10 is the deuterium-labeled version of Devimistat, intended for research use only and not sold to patients. This compound can be utilized as a tracer and as an internal standard for quantitative analysis through techniques such as 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.
Cayman Chemical Istradefylline-13C-d3, Purity: ≥99% deuterated forms (d1-d3), 1 mg
An internal standard for the quantification of istradefylline by GC- or LC-MS
Medchemexpress LLC β-Carotene-d8 | 53163-44-3 | 544.92 | 1 MG
β-Carotene-d8 | 53163-44-3 | 544.92 | 1 MG
Medchemexpress LLC 7-hydroxywarfarin-d5 | 94820-65-2 | 98.1% | C19H11D5O5 | 10MG
7-Hydroxywarfarin-d5 is a deuterium-labeled analogue of 7-hydroxywarfarin used as an internal standard and tracer for analytical and pharmacokinetic studies. It provides a mass-shifted reference compound to support accurate LC-MS/MS quantification of warfarin metabolites.
- Deuterium-labeled internal standard for LC-MS/MS assays.
- Mass-shifted analogue minimizes interference with analyte signals.
- High purity (98.1%).
- Soluble in DMSO at 100 mg/mL; ultrasonic assistance recommended.
- Stable when stored sealed at -20°C; in solvent: -80°C up to 6 months.
- Supplied as a white to off-white solid suitable for reference use.
American Radiolabeled Chemicals Inc CREATININE-2-14C 50UC
Creatinine-2-14C 50uCi in 0.01N HCl, 0.1 mCi/ml, S.A. 50-60 mCi/mmol, M.W. 113.12
Medchemexpress LLC Metoprolol-d5 | 959786-79-9 | 96.9% | 272.39 | 1 MG
Metoprolol-d5 is the deuterium labeled Metoprolol, an orally active, selective β1-adrenoceptor antagonist. It exhibits anti-inflammation, antitumor, and anti-angiogenic properties. Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules for quantitation during drug development, with deuteration specifically impacting 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.
Cayman Chemical Perphenazine-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 155593-75-2, 5 mg
An internal standard for the quantification of perphenazine by GC- or LC-MS
Cambridge Isotope Laboratories L-Asparagine H2O (2 3 3-D3 94%) 0 1 g
L-Asparagine H2O (2 3 3-D3 94%) 0 1 g