Isotopically Labeled Compounds
Cambridge Isotope Laboratories 1-Palmitoyl-2-oleoyl-SN-glycero-3-phosphocholine (fatty acids-D63 97% 50-60% Alpha vinyl carbons) 0 05 g
1-Palmitoyl-2-oleoyl-SN-glycero-3-phosphocholine (fatty acids-D63 97% 50-60% Alpha vinyl carbons) 0 05 g
Medchemexpress LLC 2-(methoxy-d3)-4-vinylphenol | 1335436-42-4 | ≥98.0% | 153.19 | C9H7D3O2 | 10mg
2-(Methoxy-d3)-4-vinylphenol is deuterated labeled 2-(Methoxy)-4-vinylphenol
Medchemexpress LLC Amitriptyline-d3 (hydrochloride) | 342611-00-1 | MFCD01073983 | 99.5% | C20H21D3ClN | 10MG
Amitriptyline-d3 (hydrochloride) is the deuterium-labeled hydrochloride salt of amitriptyline supplied as a high-purity analytical standard for use as a tracer and internal standard in quantitative analytical methods such as NMR, GC-MS, and LC-MS.
- Deuterium-labeled internal standard for quantitative analysis
- High chemical purity (99.5%) and isotopic labeling consistency
- Compatible with NMR, GC-MS, and LC-MS workflows
- Supplied as a hydrochloride salt for stable handling
- Available in small reference sizes suitable for method development
Medchemexpress LLC Oxaprozin-d4 | 2070015-11-9 | 99.1% | 1 MG
Oxaprozin-d4 is the deuterium labeled Oxaprozin, functioning as a non-steroidal anti-inflammatory agent (NSAID).
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Cambridge Isotope Laboratories L-PHENYLALANINE (13C9, 97-99%; D8, 97-99%; 15N, 97-99%), 0.25 G
L-PHENYLALANINE (13C9, 97-99%; D8, 97-99%; 15N, 97-99%), 0.25 G
Medchemexpress LLC Diphenhydramine-d6 hydrochloride | 1189986-72-8 | 99.3% | 5 MG
Diphenhydramine-d6 hydrochloride is the deuterium-labeled form of Diphenphenhydramine hydrochloride, a first-generation histamine H1-receptor antagonist with anti-cholinergic effects. It can cross the ovine blood-brain barrier (BBB). Stable heavy isotopes of hydrogen, carbon, and other elements are incorporated into drug molecules primarily as tracers for quantitation during drug development. Deuteration, specifically, has gained attention for its potential to impact the pharmacokinetic and metabolic profiles of drugs.
- 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 Minocycline-d7 | 10118-90-8 | 464.52 | C23H20D7N3O7 | 500 UG
Minocycline-d7 is a deuterium-labeled (d7) isotopologue of minocycline supplied as a reference standard for analytical and biochemical applications. It is intended for use as an internal standard in mass spectrometry and for tracer studies where isotopic labeling provides clear mass separation from the native compound.
- Deuterium-labeled (d7) isotopologue.
- Suitable as an internal standard for mass spectrometry.
- Useful for tracer and quantitative analytical studies.
- Chemical formula C23H20D7N3O7 and molecular weight 464.52.
- Available in a 500 UG package for analytical use.
Medchemexpress LLC Veratrole-d6 | 24658-24-0 | 50 MG
Veratrole-d6 is a deuterium-labeled Veratrole (1,2-Dimethoxybenzene), a key compound found in plants that attracts pollinators. Its release shows a circadian rhythm, playing a vital role in plant reproduction, species differentiation, and interactions with pollinators. This compound can also be demethylated by cytochrome P-450 in *Streptomyces setonii*.
- Stable heavy isotopes are incorporated into drug molecules for quantitation.
- Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Urea-13C,15N2 | 58069-83-3 | 99.9% | 63.03 | 5 MG
Urea-13C,15N2 is the 13C and 15N labeled Urea, which functions as a powerful protein denaturant through direct and indirect mechanisms. It also acts as a potent emollient and keratolytic agent, and is utilized as a diuretic. It is widely applied in fertilizers as a nitrogen source and serves as an important raw material for the chemical industry. Blood urea nitrogen (BUN) is used to evaluate renal function.
- 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 drug molecules for quantitation during drug development.
Cambridge Isotope Laboratories VITAMIN B3 (NICOTINIC ACID) (D4, 98%), 5 MG, 66148-15-0
VITAMIN B3 (NICOTINIC ACID) (D4, 98%), 5 MG, 66148-15-0
Cayman Chemical DamInozIde-d4 25mg
An internal standard for the quantification of daminozide by GC- or LC-MS
Medchemexpress LLC Lumacaftor-d4 | 2733561-44-7 | MFCD00143661 | 99.8% | C24H14D4F2N2O5 | 10MG
Lumacaftor-d4 is the deuterium-labeled analogue of lumacaftor used as a stable-isotope internal standard and tracer for analytical assays. It supports accurate LC-MS/MS quantitation by providing a consistent mass shift for reliable peak identification and improved precision in bioanalytical workflows.
- Deuterium-labeled stable isotope internal standard
- Compatible with LC-MS/MS methods
- High isotopic and chemical purity for reliable quantitation
- Available in small, pre-weighed quantities for analytical use
- Suitable as a tracer in pharmacokinetic and bioanalytical studies
Cambridge Isotope Laboratories Formic acid (formyl-D 98%) ( 5% H2O) 5 g
Formic acid (formyl-D 98%) ( 5% H2O) 5 g
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 DL-Aspartic acid-d3 | 14341-75-4 | MFCD00144167 | 99.6% | 136.12 g/mol | C4H4D3NO4 | 10 MG
DL-Aspartic acid-d3 is a deuterium-labeled form of DL-aspartic acid used as a stable isotope tracer in biochemical and pharmacological research. Supplied as a white to off-white solid in small research pack sizes, it supports studies of amino acid metabolism, prodrug design targeting colon tissues, and inflammatory condition research.
- Deuterium-labeled tracer suitable for metabolic and pharmacokinetic studies.
- High isotopic and chemical purity for accurate analytical results.
- Provided as a solid, white to off-white powder for convenient handling.
- Available in small research pack sizes for laboratory-scale experiments.
- Stable under recommended storage conditions for reliable long-term use.