Isotopically Labeled Compounds
Medchemexpress LLC D-Glucose-13C,d | 83379-46-8 | 1 MG
D-Glucose-13C,d is the deuterium and 13C labeled D-Glucose. D-Glucose (Glucose) is a monosaccharide and an important carbohydrate in biology, serving as a critical component of general metabolism and a carbohydrate sweetener. This compound can be used as a tracer and as 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
- Stable heavy isotopes for drug development processes
Medchemexpress LLC Procymidox-d5 | 32809-16-8 | C13H6D5Cl2NO2 | 1 MG
Procymidox-d5 is the deuterium labeled Procymidox. 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
Medchemexpress LLC L-Glutamine-15N-1 | 59681-32-2 | 147.14 | 50 MG
L-Glutamine-15N-1 is the 15N-labeled L-Glutamine. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid found abundantly throughout the body and involved in many metabolic processes. It provides a source of carbons for oxidation in some cells.
- 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, primarily as tracers for quantitation during drug development.
Medchemexpress LLC Stearic acid-d5 | 211443-83-3 | 5 MG
Stearic acid-d5 is a deuterium labeled stearic acid, which is a long-chain dietary saturated fatty acid found in many animal and vegetable fats and oils. It is used as a tracer for quantitation in drug development, with deuteration potentially affecting pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled stearic acid
- Used as a tracer for quantitation in drug development
- Potential to affect pharmacokinetic and metabolic profiles of drugs
- Store powder at -20°C for 3 years, or 4°C for 2 years
- Store in solvent at -80°C for 6 months, or -20°C for 1 month
Cayman Chemical Acephate-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 2140327-70-2, 1 mg
An internal standard for the quantification of acephate by GC- or LC-MS
Medchemexpress LLC Ketoprofen-d3 | 159490-55-8 | 99.4% | 5 MG
Ketoprofen-d3 is the deuterium labeled Ketoprofen. Ketoprofen (RP-19583) is a non-steroidal antiinflammatory agent, acting as a potent inhibitor of COX, with IC50s of 2 nM and 26 nM for COX-1 and COX-2 in human blood monocytes, respectively. It is for research use only. This compound can be used as a tracer and as an internal standard for quantitative analysis.
- Deuterium labeled compound
- Non-steroidal anti-inflammatory agent
- Potent inhibitor of COX-1 and COX-2
- Used as a tracer for quantitation during drug development
- Internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cambridge Isotope Laboratories Metabolomics Amino Acid Mix Standard, 1.2 mL
Each mix contains a solution of 17 amino acids at 2.5 mmol/L concentration.
Cayman Chemical Nonadecanoyl-L-carnitine-d3 (chloride), Purity: ≥99% deuterated forms (d1-d3), 25 mg
An internal standard for the quantification of nonadecanoyl-L-carnitine
Cambridge Isotope Laboratories POTASSIUM CYANIDE (13C, 99%), 5 G, 25909-68-6
POTASSIUM CYANIDE (13C, 99%), 5 G, 25909-68-6
Medchemexpress LLC Flucytosine-13C,15N2 | 1216616-31-7 | 98.1% | 1 MG
Flucytosine-13C,15N2 is a 13C- and 15N-labeled derivative of Flucytosine, primarily for research use only. It serves as a tracer or an internal standard for quantitative analysis. The incorporation of stable heavy isotopes into drug molecules aids in quantitation during drug development, with deuteration specifically impacting pharmacokinetic and metabolic profiles.
- Used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes into drug molecules for quantitation
- Deuteration can affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Fluorene-d10 | 81103-79-9 | MFCD00144313 | 98.0% | 176.29 g/mol | C13D10 | 50 MG
Fluorene-d10 is the deuterium-labeled isotopologue of fluorene supplied as a research-grade analytical standard. It is used in mass spectrometry, tracer studies, and as a labeled precursor in synthetic chemistry. The material is a white to off-white solid with high isotopic enrichment and is intended for research use only.
- Deuterium-labeled fluorene for tracer and analytical work.
- High purity: 98.0% (HPLC).
- Molecular formula C13D10; molecular weight 176.29 g/mol.
- White to off-white solid; soluble in DMSO and ethanol.
- Store at -20°C and protect from light.
- Intended for research use only.
Medchemexpress LLC Pentoxifylline-d5 | 1185995-18-9 | 99.9% | 283.34 | C13H13D5N4O3 | 10 MG
Pentoxifylline-d5 is the deuterated analogue of pentoxifylline supplied for analytical and research use as an internal standard and tracer. It is intended for quantitative bioanalytical and pharmacokinetic studies and is compatible with NMR, GC-MS, and LC-MS methods.
- Deuterated internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS assays.
- High isotopic and chemical purity for accurate quantitation.
- Provided in milligram-scale quantities for analytical workflows.
- Useful in pharmacokinetic and tracer studies.
Cambridge Isotope Laboratories ADENOSINE 5'-TRIPHOSPHATE(ATP),AMMONIUM SALT (RIBOSE-3',4',5',5''-D4,98%)CHEM.PUR.>90%(IN SOLN), 20 UMOL
ADENOSINE 5'-TRIPHOSPHATE(ATP),AMMONIUM SALT (RIBOSE-3',4',5',5''-D4,98%)CHEM.PUR.>90%(IN SOLN), 20 UMOL
Cayman Chemical Apixaban-13C-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 1261393-15-0, 5 mg
An internal standard for the quantification of apixaban by GC- or LC-MS
Medchemexpress LLC Decanoic acid-d5 | 1219803-00-5 | 98.3% | 177.30 g/mol | C10H15D5O2 | 50 MG
Decanoic acid-d5 is the deuterium-labeled analogue of decanoic acid used as a stable isotope reagent for analytical and research applications. It is suited for tracer experiments, method development, and quantitative analyses requiring labeled internal standards.
- Deuterium-labeled analogue for tracer and mechanistic studies.
- High chemical purity (98.3%).
- Available in multiple small-scale sizes suitable for analytical workflows.
- Compatible with mass spectrometry and nuclear magnetic resonance methods.
- Useful as an internal standard for quantitative assays and metabolic studies.