Isotopically Labeled Compounds
Medchemexpress LLC D-Fructose-4-13C | 84270-09-7 | 10 MG
D-Fructose-4-13C is the 13C labeled D-Fructose, a naturally occurring monosaccharide found in many plants. This compound is intended for research use only.
- Used as a tracer for quantitative analysis
- Used as an internal standard for quantitative analysis
- Suitable for NMR analysis
- Suitable for GC-MS analysis
- Suitable for LC-MS analysis
Medchemexpress LLC n-Nonadecane-d40 | 39756-36-0 | 50 MG
n-Nonadecane-d40 is a deuterium-labeled nonadecane, exclusively for research purposes. It functions as a valuable tool for quantitative analysis and tracing.
- Can be used as a tracer
- Serves as an internal standard for quantitative analysis via NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes (hydrogen, carbon, etc.) into drug molecules for tracing
- Deuteration has potential to influence drug pharmacokinetic and metabolic profiles
Medchemexpress LLC Arachidic acid-d39 | 39756-32-6 | 351.77 | 10 MG
Arachidic acid-d39 is the deuterium labeled Arachidic acid (HY-W004260), also known as Eicosanoic acid. It is a long-chain saturated fatty acid found in plasma phospholipid, fish, cannabis, and other plant oils. This compound can be used for anti-cancer drug delivery research when conjugated with Chitosan oligosaccharide.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes are incorporated into drug molecules as tracers for quantitation.
- Deuteration affects pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Triptolide-d3 | 38748-32-2 | MFCD00210565 | 91.9% | 363.42 g·mol⁻¹ | C20H21D3O6 | 1 MG
Triptolide-d3 (d3) is the deuterium-labeled isotopologue of triptolide supplied as a stable isotope standard for analytical and research applications. It is intended for use as an internal standard or tracer in mass spectrometry and isotopic studies, and is provided in a 1 mg package.
- Deuterium-labeled (d3) isotopologue for internal standard use in mass spectrometry
- Purity 91.9% (>90%)
- Molecular formula C20H21D3O6
- Molecular weight 363.42 g·mol⁻¹
- Package size 1 mg
- Store at -20°C; protect from light; handle under inert atmosphere where indicated
Cambridge Isotope Laboratories L-Leucine (13C6, 99%), 61-90-5, MFCD00002617, 0.25G
Chemical Formula: (*CH3)2*CH*CH2*CH(NH2)*COOH, Molecular Weight: 137.13, Synonym: (S)-2-Amino-4-methylpentanoic acid-13C6, 13C Labeled L-leucine. For R&D use only. Not for drug, household, or other uses. Any other use is the sole responsibility of the end user.
Medchemexpress LLC Isoproturon-d3 | 352438-80-3 | 99.8% | 1 MG
Isoproturon-d3 is the deuterium labeled Isoproturon. Isoproturon belongs to the phenylurea herbicide family and is a systemic and selective herbicide. It is widely applied for killing weeds in farmland, specifically annual grasses and broad-leaved weeds in spring and winter wheat, winter rye, and spring and winter barley. This product is 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.
Cambridge Isotope Laboratories DL-ALANINE (3-13C, 99%), 0.5 G, 131157-42-1
DL-ALANINE (3-13C, 99%), 0.5 G, 131157-42-1
Medchemexpress LLC Uridine-1,3-15N2 | 92487-68-8 | 98% | 5 MG
Uridine-15N2 is the 15N labeled Uridine, utilized as a tracer and an internal standard for quantitative analysis using techniques like NMR, GC-MS, or LC-MS. The incorporation of stable heavy isotopes such as hydrogen, carbon, and other elements into drug molecules serves for quantitation during the drug development process. Deuteration has demonstrated the potential to influence 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.
- For research use only.
Medchemexpress LLC L-tyrosine-2,3,5,6-d4 | 62595-14-6 | MFCD00079605 | 98.0% | 185.21 | C9H7D4NO3 | 10 MG
Deuterium-labeled L-tyrosine (L-tyrosine-2,3,5,6-d4) supplied as a 10 mg solid for research use. It is intended for use as an internal standard and tracer in metabolic and isotope-labeling studies and has been reported to inhibit citrate synthase activity in the posterior cortex. Not for human or clinical use.
- Deuterium-labeled internal standard for mass spectrometry and NMR.
- Chemical formula C9H7D4NO3 and molecular weight 185.21 g/mol.
- Purity (NMR) 98.0%.
- Supplied as a 10 mg solid suitable for analytical and tracer studies.
- For research use only; not for human or clinical applications.
Medchemexpress LLC 4-Nonylphenol-d5 | 358730-95-7 | 99.2% | 1 MG
4-Nonylphenol-d5 is the deuterium labeled form of 4-Nonylphenol. This compound is a major degradation product of Nonylphenol ethoxylates (NPEOs), known as a persistent organic pollutant with endocrine-disrupting properties and estrogenic activity.
- Deuterium labeled compound
- Can be used as a tracer in various applications
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Incorporation of stable heavy isotopes aids in quantitation during drug development
- Deuteration may impact pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Sulbactam-d5 sodium | 1322625-44-4 | 99.9% | 500 UG
Sulbactam-d5 sodium is a deuterium-labeled form of Sulbactam sodium, a competitive, irreversible beta-lactamase inhibitor. It demonstrates antimicrobial activity against multidrug-resistant Acinetobacter calcoaceticus--Acinetobacter baumannii complex. Deuteration in drug molecules can impact pharmacokinetic and metabolic profiles, making this compound valuable for research.
- Functions as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Isotope-labeled compound
- Deuterium stable isotope-labeled inhibitor for in vivo cell experiments
- Applicable in therapeutic drug monitoring
Medchemexpress LLC Ethambutol-d4 | 1129526-19-7 | 98.1% | 1 MG
Ethambutol-d4 is a deuterium-labeled version of Ethambutol, a bacteriostatic antimycobacterial agent. It functions by inhibiting arabinosyl transferases, thereby obstructing the formation of bacterial cell walls. This compound can be utilized as a tracer and as an internal standard for quantitative analysis in various methods.
- Deuterium-labeled ethambutol
- Bacteriostatic antimycobacterial agent
- Inhibits arabinosyl transferases
- Obstructs bacterial cell wall formation
- Suitable for use as a tracer
- Internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC 4,4'-((Pentane-1,5-diyl-1,1,5,5-d4)bis(oxy))dibenzimidamide dihydrochloride | 1276197-32-0 | 98.0% | 1 MG
Pentamidine-d4 dihydrochloride is the deuterium labeled Pentamidine dihydrochloride. It is an antimicrobial agent that interferes with DNA biosynthetics. This product appears as a white to off-white solid with a purity of 98.0% and an isotopic enrichment of 99.2%.
- Deuterium labeled compound
- Antimicrobial agent
- Interferes with DNA biosynthetics
- White to off-white solid
- Purity 98.0%
- Isotopic enrichment 99.2%
- Recommended storage at 4°C, sealed, away from moisture
- Recommended storage in solvent: -80°C for 6 months; -20°C for 1 month
Medchemexpress LLC Rifampicin-d3 | 1262052-36-7 | 95.7% | 1 MG
Rifampicin-d3 is a deuterium labeled form of Rifampicin, a potent and broad-spectrum antibiotic. It exhibits activity against bacterial pathogens and anti-influenza virus activities. This compound is for research use only and not sold to patients.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Stable heavy isotopes incorporated into drug molecules for quantitation
- Deuteration can affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Acetylcholine-d9 chloride | 344298-95-9 | 99.0% | 1 MG
Acetylcholine-d9 chloride is a deuterium-labeled acetylcholine chloride, which is a potent, BBB-permeable cholinergic agonist. This neurotransmitter modulates the activity of dopaminergic neurons by stimulating nicotinic acetylcholine receptors and inhibits p53 mutant peptide aggregation in vitro. It can be utilized as a tracer or an internal standard for quantitative analysis through techniques like NMR, GC-MS, or LC-MS.
- Deuterium-labeled acetylcholine chloride
- Potent and BBB-permeable cholinergic agonist
- Modulates dopaminergic neuron activity
- Inhibits p53 mutant peptide aggregation in vitro
- Suitable as a tracer or internal standard for quantitative analysis