Isotopically Labeled Compounds
Medchemexpress LLC Maprotiline-d5 hydrochloride | 1794942-12-3 | 1 MG
Maprotiline-d5 hydrochloride is a deuterium-labeled version of Maprotiline hydrochloride, functioning as a selective noradrenalin re-uptake inhibitor and a tetracyclic antidepressant. This compound is suitable for various quantitative analyses due to its stable heavy isotopes.
- Used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Stable heavy isotopes for drug development tracing
- Potential to affect pharmacokinetic and metabolic profiles of drugs
Cayman Chemical Fluprostenol-d4 50ug
An internal standard for the quantification of fluprostenol by GC- or LC-MS
Medchemexpress LLC L-Tyrosine-d2-1 | 30811-19-9 | 183.20 | 100 MG
L-Tyrosine-d2-1 is the deuterium labeled L-Tyrosine, a non-essential amino acid that can inhibit citrate synthase activity in the posterior cortex.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Simvastatin-d3 | 1002347-61-6 | 98.6% | 421.58 | 1 MG
Simvastatin-d3 is the deuterium-labeled Simvastatin. Simvastatin (MK 733) is a competitive inhibitor of HMG-CoA reductase with a Ki of 0.2 nM. It is for research use only and not sold to patients.
- 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 of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process.
- Deuteration has the potential to affect the pharmacokinetic and metabolic profiles of drugs.
Cambridge Isotope Laboratories PYRUVIC ACID (1-13C, 99%), 5 G, 99124-30-8
PYRUVIC ACID (1-13C, 99%), 5 G, 99124-30-8
Cambridge Isotope Laboratories Pyruvic acid (1-13C 99% D4 98%) 0 25 g
Pyruvic acid (1-13C 99% D4 98%) 0 25 g
Medchemexpress LLC 1-hydroxypyrene-d9 | 132603-37-3 | MFCD04972163 | 100.0% | 227.31 g·mol⁻¹ | C16HD9O | 10 MG
Deuterium-labeled 1-hydroxypyrene (d9) is an isotopically labeled internal standard used for quantitative analysis of 1-hydroxypyrene in biological and environmental samples by GC-MS or LC-MS. Supplied as a high-purity white to off-white powder, it provides consistent response and traceability for analytical and metabolic studies.
- High isotopic and chemical purity for accurate quantification.
- Suitable as an internal standard for GC-MS and LC-MS methods.
- Solid powder form for convenient handling and spiking.
- Storage at -20°C preserves long-term stability.
- Available in small sizes tailored to analytical workflows.
Medchemexpress LLC 1-hexanol-d5 | 64118-18-9 | >98.0% | 107.21 g/mol | C6H9D5O | 5 MG
1-Hexanol-d5 is the deuterium-labeled analogue of 1-hexanol supplied as a liquid stable isotope reagent for analytical and tracer applications. It is commonly used as an internal standard in mass spectrometry, quantitative analyses, and metabolic tracing where deuterium labeling improves selectivity and detection.
- Deuterium-labeled internal standard for mass spectrometry.
- High isotopic enrichment for reliable tracer and quantitation.
- Liquid physical form suitable for solution preparation.
- Stable under recommended storage conditions for long-term use.
- Available in small, pre-weighed pack sizes for analytical workflows.
Medchemexpress LLC Ampicillin-d5 | 1426173-65-0 | 99.4% | 5 MG
Ampicillin-d5 is a deuterium-labeled form of Ampicillin, a broad-spectrum beta-lactam antibiotic. It is effective against various gram-positive and gram-negative bacteria. This compound is suitable for research applications.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration can affect pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Oleic acid-d9 | 2687960-84-3 | MFCD00133433 | 95.0% | 291.52 g/mol | C18H25D9O2 | 10 MG
Oleic acid-d9 is a deuterium-labeled oleic acid used as a stable isotope standard and tracer in biochemical and analytical workflows. It is a monounsaturated fatty acid that acts as a Na+/K+ ATPase activator and is supplied as a colorless to light yellow liquid for analytical applications.
- Deuterium-labeled for mass spectrometry and tracer studies.
- Molecular formula C18H25D9O2; molecular weight 291.52 g/mol.
- Typical purity 95.0%; batch-specific higher purities reported.
- Available in 10 MG, 50 MG, 100 MG sizes suitable for analytical use.
- Liquid, colorless to light yellow physical form.
- Store at -20 °C for long-term; in solvent store at -80 °C for extended stability.
![Medchemexpress LLC Trideuteriomethyl N-[(E)-quinoxalin-2-ylmethylideneamino]carbamate | 1448350-02-4 | 99.8% | C11H10N4O2 | 10MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000259221.png-250.jpg)
Medchemexpress LLC Trideuteriomethyl N-[(E)-quinoxalin-2-ylmethylideneamino]carbamate | 1448350-02-4 | 99.8% | C11H10N4O2 | 10MG
Desoxycarbadox-d3 is a deuterium-labeled analogue of desoxycarbadox, the primary metabolite of the veterinary antibiotic carbadox. Supplied as a high-purity isotopic standard, it is intended for use as an internal standard or tracer in quantitative mass spectrometry, method development, and pharmacokinetic studies.
- Deuterium-labeled internal standard for LC-MS quantitation.
- Contains three deuterium atoms for a clear mass shift.
- High purity (99.8%) for reliable analytical results.
- Stable white solid suitable for storage and handling.
- Suitable for tracer and pharmacokinetic studies in biological matrices.
Cambridge Isotope Laboratories CORTISOL (9,11,12,12-D4, 98%), 0.01 G, 73565-87-4
CORTISOL (9,11,12,12-D4, 98%), 0.01 G, 73565-87-4
Medchemexpress LLC Cyromazine-d4 | 1219804-19-9 | 99.0% | 1 MG
Cyromazine-d4 is a deuterium-labeled version of Cyromazine. Cyromazine is a triazine insect growth regulator that functions as an insecticide and acaricide. It is a cyclopropyl derivative of melamine and impacts the nervous system of immature larval stages of certain insects.
- Used as a tracer.
- 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 can be incorporated into drug molecules for quantitation during drug development.
- Deuteration has the potential to influence the pharmacokinetic and metabolic profiles of drugs.
Revvity Health Sciences Inc Sulfur-35 Radionuclide, 5mCi (185MBq), Specific Activity: 250-1000mCi (9.25-37.0GBq)/mmol
Sulfur-35 Radionuclide, 5mCi (185MBq), Specific Activity: 250-1000mCi (9.25-37.0GBq)/mmol
Cayman Chemical Acenocoumarol-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 2937878-24-3, 1 mg
An internal standard for the quantification of acenocoumarol by GC- or LC-MS