Isotopically Labeled Compounds
Medchemexpress LLC Dimethyl adipate-d8 | 52089-64-2 | MFCD12022192 | 98.0% | 182.24 | C8H6D8O4 | 100 MG
Dimethyl adipate-d8 is a deuterium-labeled analogue of dimethyl adipate used as an isotopically labeled reference standard for analytical chemistry. It is intended for use as an internal standard in mass spectrometry and chromatographic assays, offering predictable chromatographic behavior with a distinct mass shift.
- Deuterated analogue with eight deuterium atoms, providing clear mass separation.
- High isotopic enrichment for reliable internal standard performance.
- High chemical purity suitable for analytical workflows.
- Multiple small package sizes available for laboratory-scale use.
- Stable under recommended storage conditions for consistent results.
Medchemexpress LLC Pefloxacin-d3 | 2733455-58-6 | 99.4% | 336.38 g/mol | C17H17D3FN3O3 | 10 MG
Pefloxacin-d3 is the deuterium-labeled analogue of the fluoroquinolone antibiotic pefloxacin. It inhibits DNA gyrase and interferes with topoisomerase I-mediated DNA relaxation, and is supplied as a high-purity stable isotope for analytical and research use.
- Deuterium-labeled internal standard for quantitative analysis.
- High purity to support analytical accuracy.
- Suitable as a tracer in infection and pharmacokinetic studies.
- Provided as a laboratory-grade powder for analytical workflows.
Cambridge Isotope Laboratories ESTRONE (2,3,4-13C3,99%) 100 UG/ML IN METHANOL, 1 ML, 1241684-29-6
ESTRONE (2,3,4-13C3,99%) 100 UG/ML IN METHANOL, 1 ML, 1241684-29-6
Medchemexpress LLC Alogliptin-13C,d3 benzoate | 1246817-18-4 | 98.8% | 1 MG
Alogliptin-13C,d3 benzoate is a stable isotope-labeled compound, primarily used as a tracer or an internal standard for quantitative analysis using techniques like NMR, GC-MS, or LC-MS. It is a PEG-based PROTAC linker that can be utilized in the synthesis of PROTACs, which are molecules designed to exploit the intracellular ubiquitin-proteasome system for selective degradation of target proteins.
- Application as a tracer: Can be used in studies to track metabolic pathways or drug distribution.
- Internal standard for quantitative analysis: Ideal for precise measurement in analytical methods such as NMR, GC-MS, or LC-MS due to its isotope labeling.
- PROTAC linker: Serves as a linker in the construction of PROTACs, which are bifunctional molecules that induce targeted protein degradation.
- Research use only: This product is intended for research and development purposes and not for sale to patients.
Medchemexpress LLC Pirfenidone-d5 | 1020719-62-3 | 98.88% | 190.25 | 1 MG
Pirfenidone-d5 (AMR69-d5) is a deuterium labeled Pirfenidone, an antifibrotic agent. It attenuates CCL2 and CCL12 production in fibrocyte cells and reduces TGF-β2 protein levels in human glioma cell lines. It also exhibits anti-inflammatory activities and can be used as a tracer or an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuterium labeled compound
- Acts as an antifibrotic agent
- Attenuates CCL2 and CCL12 production in fibrocyte cells
- Reduces TGF-β2 protein levels in human glioma cell lines
- Exhibits anti-inflammatory activities
- Can be used as a tracer for quantitative analysis
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Stable heavy isotopes may affect pharmacokinetic and metabolic profiles
Medchemexpress LLC Indole-13C | 85597-55-3 | 118.14 | 100 MG
Indole-13C is the 13C labeled Indole. Indole is an endogenous metabolite.
- 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 Lauric acid-d23 | 59154-43-7 | MFCD00144567 | 98.4% | 223.46 | C12HD23O2 | 50mg
Lauric acid-d233 is the deuterium labeled Lauric acid Lauric acid is a middle chain-free fatty acid with strong bactericidal properties The EC50s for P acnes S aureus S epidermidis are 2 6 4 g/mL respectively
Cayman Chemical HypoxnthIn-d4 25mg
An internal standard for the quantification of hypoxanthine by GC- or LC-MS
Medchemexpress LLC Dimethyl adipate-d4-1 | 55724-08-8 | 99.4% | 178.22 | C8H10D4O4 | 100 MG
Dimethyl adipate-d4-1 is the deuterium-labeled analogue of dimethyl adipate supplied as a stable isotope reference standard for analytical and tracer applications. It is provided as a high-purity material intended for mass spectrometry, quantitative analysis, and method development.
- Deuterium-labeled standard for mass spectrometry and tracer studies.
- High purity, 99.4%.
- Chemical formula C8H10D4O4; molecular weight 178.22.
- Packaged as a 100 mg vial for analytical use.
- Accompanied by certificate of analysis and safety data sheet.
Cayman Chemical BIBF 1120-13C-d3 1mg
An internal standard for the quantification of BIBF 1120 by GC- or LC-MS
Cambridge Isotope Laboratories OXALIC ACID, DISODIUM SALT (1,2-13C2, 99%), 1 G, 260429-91-2
OXALIC ACID, DISODIUM SALT (1,2-13C2, 99%), 1 G, 260429-91-2
Medchemexpress LLC Amantadine-d6 | 1219805-53-4 | MFCD19704894 | 98.1% | 157.29 | C10H11D6N | 10 MG
Amantadine-d6 is a deuterium-labeled analogue of amantadine supplied as a stable isotope standard for research and analytical applications, including mass spectrometry, metabolic, and pharmacokinetic studies.
- Deuterium-labeled (d6) amantadine for stable isotope applications.
- High chemical and isotopic purity (98.1%).
- Molecular formula C10H11D6N; molecular weight 157.29.
- Suitable as an internal standard for LC-MS/MS and other analytical methods.
- Available in small-mass packaging for analytical workflows (e.g., 10 MG).