Isotopically Labeled Compounds
Cambridge Isotope Laboratories DEUTERIUM OXIDE (D, 99.9%), 50 G, 7789-20-0
DEUTERIUM OXIDE (D, 99.9%), 50 G, 7789-20-0
Cambridge Isotope Laboratories L-LYSINE:2HCL (4,4,5,5-D4, 96-98%), 0.25 G
L-LYSINE:2HCL (4,4,5,5-D4, 96-98%), 0.25 G
Cambridge Isotope Laboratories D-GLUCOSE (2-D, 98%), 1 G, 106032-60-4
D-GLUCOSE (2-D, 98%), 1 G, 106032-60-4
Cambridge Isotope Laboratories CARBON DISULFIDE (13C,97-99%), 0.5 G, 30860-31-2
CARBON DISULFIDE (13C,97-99%), 0.5 G, 30860-31-2
Medchemexpress LLC Indomethacin-d4 Methyl Ester | 1217064-61-3 | 98.4% | C20H14D4ClNO4 | 1 MG
Indomethacin-d4 Methyl Ester is a deuterium-labeled form of Indomethacin, a potent, blood-brain permeable, and nonselective inhibitor of both COX-1 and COX-2 enzymes. It demonstrates inhibitory activity with IC50s of 18 nM for human COX-1 and 26 nM for COX-2 in CHO cells. This compound has also been observed to disrupt autophagic flux by interfering with the normal function of lysosomes.
- Deuterium labeled derivative of indomethacin
- Potent and nonselective COX-1 and COX-2 inhibitor
- Blood-brain barrier permeable
- Disrupts autophagic flux through lysosomal interference
- Useful as a tracer or internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
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 1,6-anhydro-β-D-glucopyranose-d7 | 2483832-05-7 | 99.9% | 169.18 g/mol | C6H3D7O5 | 10 MG
Levoglucosan-d7 is a deuterium-labeled analogue of levoglucosan (1,6-anhydro-β-D-glucopyranose) used as a stable-isotope standard and tracer in analytical chemistry, particularly mass spectrometry and environmental analysis.
- Deuterium-labeled internal standard for mass spectrometry.
- High purity (99.9%) for accurate quantitation.
- Available in small analytical pack sizes, such as 10 mg.
- Solid powder format with defined storage conditions to preserve stability.
- Molecular formula C6H3D7O5, molecular weight 169.18 g/mol.
Cayman Chemical Irbesartn-d4 1mg
An internal standard for the quantification of irbesartan by GC- or LC-MS
Medchemexpress LLC D-(+)-glucose-d12-1 | 89798-27-6 | 99.4% | 192.23 g/mol | C6D12O6 | 10 MG
D-Glucose-d12-1 is a deuterium-labeled form of D-glucose (C6D12O6) intended for use as an isotopic tracer and as a quantitative internal standard in analytical methods. It is supplied as a high-purity crystalline powder for laboratory research and analytical workflows.
- Uniformly deuterated glucose (C6D12O6).
- High purity: 99.4%.
- Used as tracer and internal standard for NMR, GC-MS, and LC-MS.
- Supplied as a stable crystalline powder suitable for analytical preparation.
- Recommended storage: powder at -20°C for long-term stability.
Medchemexpress LLC Pirfenidone-d5 | 1020719-62-3 | MFCD07369537 | 98.9% | 190.25 g/mol | C12H6D5NO | 10 MG
Pirfenidone-d5 is the deuterium-labeled isotopologue of pirfenidone used as an analytical reference and internal standard in quantitative mass spectrometry and pharmacokinetic studies. It provides a chemically similar labeled compound for accurate quantitation of pirfenidone in biological and biochemical assays.
- Deuterium-labeled internal standard for LC-MS/MS assays
- High purity (~98.9%) suitable for analytical use
- Molecular weight 190.25 g/mol; formula C12H6D5NO
- Available as a 10 mg vial for laboratory use
- Suitable for pharmacokinetic and metabolic studies
Cayman Chemical DabIgatrn-13C-d3 1mg
An internal standard for the quantification of dabigatran by GC- or LC-MS
Medchemexpress LLC Dopamine-d3 (hydrochloride) | 53587-30-7 | 99.9% | 5 MG
Dopamine-d3 (hydrochloride) is the deuterium labeled Dopamine hydrochloride (ASL279)-. Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Diphenhydramine-d5 hydrochloride | 1219795-16-0 | 99.8% | 1 MG
Diphenhydramine-d5 hydrochloride is a deuterium-labeled form of Diphenhydramine hydrochloride. This compound acts as a first-generation histamine H1-receptor antagonist with anticholinergic effects and can cross the ovine blood-brain barrier (BBB). It is intended for research use only.
- Can be used as a tracer
- Serves as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuteration may affect pharmacokinetic and metabolic profiles of drugs
- Stable heavy isotopes are incorporated into drug molecules for quantitation during drug development
Medchemexpress LLC (S)-Ofloxacin-d3 | 2208780-63-4 | 98.0% | 1 MG
(S)-Ofloxacin-d3 is a deuterium-labeled version of Levofloxacin, a synthetic fluoroquinolone. It acts as an antibacterial agent by inhibiting bacterial DNA gyrase, which stops DNA replication.
- Used as a tracer
- Functions as an internal standard for quantitative analysis via NMR, GC-MS, or LC-MS
- Contains stable heavy isotopes for quantitation during drug development
- Potential to influence pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Pentoxifylline-d5 | 1185995-18-9 | 99.9% | 50 MG
Pentoxifylline-d5 is a deuterium-labeled version of Pentoxifylline. The unlabeled compound, Pentoxifylline (BL-191), acts as a haemorheological agent and is an orally active, non-selective phosphodiesterase (PDE) inhibitor. It demonstrates immune modulation, anti-inflammatory, hemorheological, anti-fibrinolytic, and anti-proliferation effects. This compound can be utilized in research concerning peripheral vascular disease, cerebrovascular disease, and other conditions involving impaired regional microcirculation.
- Used as a tracer.
- Functions as an internal standard for quantitative analysis through methods like NMR, GC-MS, or LC-MS.
- Stable heavy isotopes are incorporated into drug molecules for quantitation during drug development.
- Deuteration can influence the pharmacokinetic and metabolic profiles of compounds.