Isotopically Labeled Compounds
Medchemexpress LLC Isavuconazole-d4 | 1346598-58-0 | 99.9% | C22H13D4F2N5OS | 1 ML
Isavuconazole-d4 is a deuterium-labeled Isavuconazole, a triazole proagent with antifungal activity against yeasts, molds, and dimorphic fungi. Deuteration, the incorporation of stable heavy isotopes like hydrogen and carbon into drug molecules, is used for quantitation during drug development and has the potential to influence the pharmacokinetic and metabolic profiles of drugs. The product appears as a solid with a color ranging from light yellow to yellow.
- 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 Succinimide-15N | 32807-36-6 | MFCD00084242 | 99.0% | 100.08 | C4H5(15)NO2 | 10 MG
Succinimide-15N is the 15N-labeled form of succinimide supplied as a powder for use as an isotope-labeled reagent in mass spectrometry, tracer studies, and biochemical analyses. It provides high isotopic enrichment and is intended for analytical workflows requiring stable nitrogen labeling.
- 15N-labeled succinimide for tracer and mass spectrometry applications.
- High isotopic and chemical purity (≥99.0%).
- Available in small research sizes such as 5 mg, 10 mg, and 25 mg.
- Powder form with recommended frozen or cold storage to maintain stability.
- CAS number: 32807-36-6.
Medchemexpress LLC D-glucose-13C-1 | 84270-10-0 | 99.9% | 181.15 | C5(13C)H12O6 | 10 MG
D-Glucose-13C-1 is D-(+)-glucose labeled with 13C at the C-1 position and supplied as a high-purity isotopic tracer for metabolic and biochemical studies in preweighed laboratory quantities.
- 13C label at the C-1 position for tracing metabolic pathways.
- High isotopic and chemical purity (99.9%).
- Provided in small preweighed quantities suitable for analytical experiments.
- Molecular weight 181.15 and CAS number 84270-10-0 for unambiguous identification.
- Stable solid form for routine laboratory storage and handling.
Medchemexpress LLC Cholan-24-oic-24-13C acid, 3,12-dihydroxy-, (3α,5β,12α)- | 52886-37-0 | MFCD00190301 | 98.0% | 393.56 | C24H40O4 | 10 MG
Deoxycholic acid-13C is the 13C-stable isotope labeled form of deoxycholic acid used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, and LC-MS. It also activates the G protein-coupled bile acid receptor TGR5 and is used in studies of bile acid signaling and brown adipose tissue activity.
- 13C-stable isotope labeled deoxycholic acid for tracer studies and quantitation.
- Suitable as an internal standard for NMR, GC-MS, and LC-MS methods.
- Purity approximately 98.0% as supplied.
- Available in small analytical quantities (for example, 10 mg).
- Store powder at -20 °C for long-term stability; follow SDS for handling.
Medchemexpress LLC D-Fructose-4-13C | 84270-09-7 | 100 MG
D-Fructose-4-13C is the 13C labeled D-Fructose, a naturally occurring monosaccharide found in many plants. It is intended for research use only. This compound can be used as a tracer and as an internal standard for quantitative analysis by 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
Medchemexpress LLC Isoproturon-d3 | 352438-80-3 | 99.8% | 209.30 | C12H15D3N2O | 10 MG
Isoproturon-d3 is the deuterium-labeled analogue of the phenylurea herbicide isoproturon, supplied as a stable isotope reference standard for analytical and research use. It is designed for use as an internal standard or tracer in quantitative analytical methods, particularly LC-MS, to support environmental fate, residue analysis, and metabolic studies. Supplied in a 10 mg vial with documentation for batch verification.
- Stable deuterium label for accurate quantification in mass spectrometry
- Suitable as an internal standard for environmental residue and metabolism studies
- High reported purity for trace-level analysis
- Provided with supporting documentation such as COA and chromatographic data
- Compact research-grade quantity compatible with routine analytical workflows
Medchemexpress LLC 5'-Guanylic acid-15N5 dilithium | 85-32-5 | 1 MG
5'-Guanylic acid-15N5 dilithium is a 15N labeled 5'-Guanylic acid. It is involved in several metabolic disorders, such as the AICA-ribosiduria pathway, adenosine deaminase deficiency, adenine phosphoribosyltransferase deficiency (APRT), and the 2-hydroxyglutric aciduria pathway. It is intended for research use only.
- 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 quantitation during drug development
Medchemexpress LLC (±)12(13)Epoxy-9Z-octadecenoic-9,10,12,13-d4 acid | 17966-13-1 | 99.0% | 300.47 | 25 UG
(±)12(13)-EpOME-d4 is a deuterium labeled compound designed for research use. It can serve as a tracer and an internal standard in quantitative analysis methods such as NMR, GC-MS, or LC-MS. Deuteration may influence the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer
- Functions as an internal standard for quantitative analysis
- Applicable in NMR, GC-MS, or LC-MS
- Deuterium labeled compound
Medchemexpress LLC Citric acid-13C2 | 224054-26-6 | 194.11 | 5 MG
Citric acid-13C2 is the 13C-labeled Citric acid (HY-N1428). Citric acid acts as a natural preservative and food tartness enhancer. It induces apoptosis and cell cycle arrest at G2/M phase and S phase in HaCaT cells. It can also cause oxidative damage of the liver by decreasing antioxidative enzyme activities. Citric acid is utilized as an acidulant, emulsifier, sequestrant, and buffering agent across various industries. 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 Clenbuterol-d9 | 129138-58-5 | 99.9% | 1 MG
Clenbuterol-d9 is the deuterium labeled Clenbuterol, acting as a β2-adrenergic receptor agonist. This compound is suitable for use as a tracer and an internal standard in quantitative analysis methods such as NMR, GC-MS, or LC-MS.
- Deuterium labeled compound
- β2-adrenergic receptor agonist
- Useful as a tracer in analytical techniques
- Functions as an internal standard for quantitative analysis
Medchemexpress LLC Taurocholic acid-d4 | 252030-90-3 | 99.5% | 100 UG
Taurocholic acid-d4 is deuterium labeled Taurocholic acid, a bile acid involved in the emulsification of fats. It can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuterium labeled for use as a tracer
- Involved in fat emulsification
- Suitable for quantitative analysis
- Potential to affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Stearic acid-d5 | 211443-83-3 | ≥99% | 100 MG
Stearic acid-d5 is a deuterium labeled stearic acid, a long-chain dietary saturated fatty acid found in various animal and vegetable fats and oils. It is commonly used as an internal standard for the quantification of stearic acid by GC- or LC-MS. Deuterium labeling incorporates stable heavy isotopes into molecules, which can serve as tracers for quantitation during drug development and may impact pharmacokinetic and metabolic profiles of drugs.
- Used as an internal standard for quantification.
- Deuterium labeled.
- Functions as a tracer for quantitation during drug development.
- May affect pharmacokinetic and metabolic profiles.
- Long-chain saturated fatty acid.