Isotopically Labeled Compounds
Medchemexpress LLC ZLN005-d4 | 2410443-42-2 | 99.5% | 254.36 g·mol⁻1 | C17H14D4N2 | 10 MG
ZLN005-d4 is the deuterium-labeled analogue of ZLN005, a small-molecule activator of PGC-1α (peroxisome proliferator-activated receptor-γ coactivator-1α). Supplied as a white to off-white solid with high analytical purity, it is intended for use as a tracer and as an internal standard in quantitative NMR, GC-MS, and LC-MS workflows.
- Deuterium-labeled internal standard for quantitative analysis.
- High purity (99.5%) suitable for analytical and tracer applications.
- Molecular formula C17H14D4N2; molecular weight 254.36 g·mol⁻1.
- Solid, white to off-white appearance for straightforward handling.
- Recommended storage: powder -20 °C (long term) or 4 °C (intermediate); in solvent -80 °C (short term).
- Useful as a tracer or internal standard for NMR, GC-MS, and LC-MS quantitation.
Medchemexpress LLC Mebeverine acid-d5 hydrochloride | 475203-77-1 | 99.0% | 10 MG
Mebeverine acid-d5 hydrochloride is a deuterium-labeled form of Mebeverine acid hydrochloride, a secondary metabolite of the intestinal antispasmodic agent Mebeverine. This metabolite is formed in the body through hydrolysis and serves as a key circulating marker for oral Mebeverine.
- Deuterium-labeled compound
- Secondary metabolite of mebeverine
- Key circulating metabolite for oral mebeverine
- Used as a tracer and internal standard
- Suitable for quantitative analysis methods
- Purity of 99.0%
Medchemexpress LLC Alpha-D-glucose-13C | 287100-64-5 | 99.4% | 100 MG
Alpha-D-glucose-13C is a 13C labeled alpha-D-glucose, which is an endogenous metabolite. It is intended for research use only, not for medical applications.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes as tracers for quantitation during drug development
Medchemexpress LLC Tempone-15N,d16 (4-oxo-Tempo-15N,d16) | 80404-14-4 | 1 MG
Tempone-15N,d16 is the deuterium and 15N labeled Tempone, serving as a tracer and an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Stable heavy isotopes of hydrogen, carbon, and other elements are incorporated into drug molecules, primarily as tracers for quantitation during drug development. Deuteration can impact the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer and internal standard
- Suitable for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuterium and 15N labeled compound
- Solid appearance, light yellow to yellow color
- Soluble in DMSO (requires ultrasonic and warming)
Medchemexpress LLC Betaine-d9 chloride | 285979-85-3 | 99.7% | 162.66 g·mol⁻¹ | C5H3D9ClNO2 | 10 MG
Betaine-d9 chloride is the deuterium-labeled analogue of betaine chloride used as a stable isotope research standard for quantitative mass spectrometry and tracer studies.
- Suitable as an internal standard for mass spectrometry.
- Deuterium-labeled tracer for isotope-labeling experiments.
- High chemical and isotopic purity for accurate quantitation.
- Supplied as a solid chloride salt for analytical workflows.
- Available in small mg-scale pack sizes for research use.
Medchemexpress LLC Cephalexin-d5 | 2101505-56-8 | 98.96% | 5 MG
Cephalexin-d5 is deuterium labeled Cephalexin. Cephalexin is a potent, orally active, first-generation cephalosporin antibiotic. It kills gram-positive and some gram-negative bacteria by disrupting the growth of the bacterial cell wall. Cephalexin monohydrate is used for the research of pneumonia, strep throat, and bacterial endocarditis, among other conditions. Deuterium substitution can 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 Dopamine-13C,15N hydrochloride | 369656-74-6 | 99.0% | 5 MG
Dopamine-13C,15N (hydrochloride) is the 13C and 15N labeled Dopamine hydrochloride. It is intended for research use only and not for sale to patients. This compound can be used as a tracer and 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 the drug development process. Deuteration has also garnered attention due to its potential impact on the pharmacokinetic and metabolic profiles of drugs.
- Dopamine-13C,15N (hydrochloride) is the 13C and 15N labeled Dopamine hydrochloride.
- 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 Ezetimibe-d4-1 | 1093659-89-2 | MFCD08063570 | 99.3% | 413.45 | C24H17D4F2NO3 | 10 MG
Ezetimibe-d4-1 is a deuterium-labeled analogue of ezetimibe used as an analytical internal standard for quantitative mass spectrometry and method development. It provides a defined mass shift for accurate quantitation and is supplied with high reported purity suitable for bioanalytical applications.
- Deuterium-labeled internal standard for LC-MS/MS.
- High purity (99.3%) for reliable analytical results.
- Molecular weight 413.45 for precise mass calibration.
- Powder formulation with storage recommended at -20°C for long-term stability.
- Suitable for method validation and pharmacokinetic studies.
- Available in small pack sizes for laboratory use.
Medchemexpress LLC L-alanine-13C3, 15N | 202407-38-3 | MFCD19443802 | 98.0% | 93.06 g·mol⁻1 | 13C3H7 15NO2 | 10 MG
L-alanine-13C3,15N is an isotopically labeled form of the amino acid L-alanine in which three carbon atoms are 13C and the nitrogen is 15N. Supplied as a 10 mg vial for research use, it serves as a stable isotope internal standard, tracer, or reference material for analytical and biochemical workflows. Purity is 98.0% and molecular weight is 93.06 g·mol⁻1.
- Isotopically labeled standard for mass spectrometry and metabolomics.
- Supplied in a small, research-scale package suitable for analytical assays.
- High purity suitable for quantitative internal standard applications.
- Stable, non-radioactive tracer for metabolic and pathway studies.
- Provided with batch-specific datasheet and certificate of analysis for traceability.
Medchemexpress LLC 4H-Pyrido[1,2-a]pyrimidin-4-one, 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl-... | 1020719-76-9 | 99.4% | 414.51 | 50 MG
Risperidone-d4 is the deuterium-labeled version of Risperidone. Risperidone functions as a serotonin 5-HT2 receptor blocker, a P-Glycoprotein inhibitor, and a potent dopamine D2 receptor antagonist. It exhibits Ki values of 4.8 nM for the 5-HT2A receptor and 5.9 nM for the dopamine D2 receptor. This product is intended for research use only and is not sold to patients.
- Can be utilized as a tracer.
- Serves as an internal standard for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS.
- Incorporates stable heavy isotopes of hydrogen, carbon, and other elements into drug molecules, primarily for quantitation as tracers during drug development.
- Deuteration has the potential to influence the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Phenytoin-15N2,13C | 78213-26-0 | 99.8% | 120 UG
Phenytoin-15N2,13C is a 13C and 15N labeled derivative of Phenytoin (5,5-Diphenylhydantoin), known for its potent action as a Voltage-gated Na+ channels (VGSCs) blocker. It demonstrates antiepileptic activity and has been observed to reduce breast tumor growth and metastasis in mice. This compound incorporates stable heavy isotopes, making it suitable for use as a tracer in drug development for quantitative analysis.
- Can be utilized as a tracer
- Serves as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Exhibits antiepileptic activity
- Reduces breast tumor growth and metastasis
- Potential to influence pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Daunorubicin-13C,d3 | 20830-81-3 | MFCD00866340 | 98.0% | 531.53 | C2613CH26D3NO10 | 250 UG
Isotopically labeled daunorubicin (13C and d3) supplied as a low-quantity analytical standard for research use. It is intended for use as an internal standard and tracer in mass spectrometry, pharmacokinetic, metabolic, and mechanistic studies involving topoisomerase II inhibitors.
- Isotopically labeled with 13C and d3 for unambiguous mass-spectrometry detection.
- Suitable as an internal standard for LC-MS quantitation and method development.
- Appropriate for pharmacokinetic and metabolic tracing studies.
- Provided in a small 250 μg amount to support high-sensitivity assays.
- Documentation available; certificate of analysis provides purity and handling information.
Medchemexpress LLC 2,4-dimethylaniline-d6 | 1071170-27-8 | MFCD22565800 | 127.22 | C8H5D6N | 10 MG
2,4-Xylidine-d6 is a deuterium-labeled isotopologue of 2,4-xylidine (2,4-dimethylaniline) supplied in small quantities for laboratory research. It is used primarily as an internal standard or tracer for analytical methods, including mass spectrometry and chromatographic assays.
- Deuterium-labeled internal standard for analytical methods.
- High isotopic labeling for clear mass shifts in MS analyses.
- Available in small vial quantities suitable for method development.
- Molecular formula C8H5D6N; molecular weight 127.22.
- For research use only; not for human or clinical use.
Medchemexpress LLC DL-glutamic acid-d5 | 14341-79-8 | MFCD01074021 | 99.7% | 152.16 g/mol | C5H4D5NO4 | 5 MG
DL-glutamic acid-d5 is the deuterium-labeled analogue of DL-glutamic acid used as an isotope-labeled standard in mass spectrometry and metabolite analysis. It is supplied as a pre-weighed solid for analytical applications.
- deuterium-labeled internal standard for mass spectrometry.
- high purity (99.7%).
- molecular weight 152.16 g/mol.
- molecular formula C5H4D5NO4.
- available as pre-weighed vials (e.g., 5 MG).