Isotopically Labeled Compounds
Medchemexpress LLC n-Heptyl Alcohol-d15 10mg
n-Heptyl Alcohol-d15 is the deuterium labeled 1-Heptanol[1]
Medchemexpress LLC 9H-fluoren-9-one-d8 | 137219-34-2 | 98.9% | 10 MG
9H-Fluoren-9-one-d8 is the deuterium-labeled analogue of fluorenone supplied as a solid isotopically labeled standard for analytical workflows. It functions as a tracer and internal standard to support accurate quantitation and method validation in research, environmental, and drug-development applications.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS applications.
- High isotopic enrichment with reported purity of 98.87%.
- Solid form for straightforward handling and storage.
- Available in small-mass pack sizes for analytical use.
Cambridge Isotope Laboratories SODIUM PYRUVATE (3-13C, 99%), 0.25 G, 124052-04-6
SODIUM PYRUVATE (3-13C, 99%), 0.25 G, 124052-04-6
Medchemexpress LLC L-aspartic acid-13C4,15N | 202468-27-7 | MFCD00144566 | 98.0% | 138.07 | 13C4H7 15NO4 | 10 MG
L-Aspartic acid-13C4,15N is a stable isotope-labeled form of the amino acid L-aspartic acid used as a reference standard and tracer in analytical, metabolic, and mass spectrometry applications.
- Stable isotope-labeled (13C4, 15N) suitable as an internal standard for LC-MS/MS and quantitative assays.
- High purity; ≥98.0%.
- Molecular weight 138.07 provides consistent mass spectrometric behavior.
- Chemical formula 13C4H7 15NO4 reflects isotopic labeling.
- Supplied in small laboratory quantities for analytical workflows.
Cambridge Isotope Laboratories TRIPALMITIN (2,2,2-13C3, 99%), 0.1 G
TRIPALMITIN (2,2,2-13C3, 99%), 0.1 G
Medchemexpress LLC Fumaric acid-d4 | 194160-45-7 | MFCD00190450 | 98.0% | 120.10 g·mol^-1 | C4D4O4 | 50 MG
Fumaric acid-d4 is the deuterium-labeled analogue of fumaric acid supplied as a stable isotope standard for analytical and research use. It is intended for metabolomics, tracer studies, and mass spectrometry assays requiring isotopically labeled internal standards, and supports investigations into fumarase deficiency and oncometabolite pathways.
- Deuterium-labeled internal standard for analytical assays.
- Molecular formula C4D4O4, molecular weight 120.10 g·mol^-1.
- High isotopic enrichment suitable for mass spectrometry.
- Available in small pack sizes appropriate for research workflows.
- Used in metabolomics, tracer, and biochemical pathway studies.
Cambridge Isotope Laboratories RESVERATROL (4-HYDROXYPHENYL-13C6, 99%), 10 MG, 1185247-70-4
RESVERATROL (4-HYDROXYPHENYL-13C6, 99%), 10 MG, 1185247-70-4
Medchemexpress LLC Propan-2-amine-d6 h 25mg
Propan-2-amine-d6 hydrochloride is the deuterium labeled Propan-2-amine[1]
Medchemexpress LLC L-cystine-d4 | 1192736-38-1 | 98.0% | 244.33 | C6H8D4N2O4S2 | 10 MG
L-Cystine-d4 is the deuterium-labeled form of the amino acid L-cystine, provided as a high-purity stable isotope reagent for analytical and metabolic studies involving cystine metabolism and redox biology.
- Deuterium-labeled for isotope tracing and internal standard use.
- High purity (98.0%) suitable for analytical applications.
- Molecular weight 244.33 g/mol; molecular formula C6H8D4N2O4S2.
- Supplied as a 10 mg quantity for small-scale analytical workflows.
- Applicable to metabolomics, proteomics, and NMR studies.
Medchemexpress LLC D-sorbitol-d8 | 287962-59-8 | MFCD02683970 | 98.0% | 190.22 | C6H6D8O6 | 10 MG
D-Sorbitol-d8 is the deuterium-labeled form of D-sorbitol supplied as a small-mass research standard for use in analytical and metabolic studies. It is intended for use as a stable-isotope internal standard, tracer, or labeled reagent in techniques such as mass spectrometry and metabolite profiling.
- Deuterium-labeled (d8) D-sorbitol for isotope-labeled analyses.
- Suitable as a stable-isotope internal standard for mass spectrometry.
- Provided as a powder in small milligram pack sizes for analytical workflows.
- Chemical formula C6H6D8O6; molecular weight 190.22.
Cambridge Isotope Laboratories ADENINE (8-13C, 95%+), 0.5 G, 86967-48-8
ADENINE (8-13C, 95%+), 0.5 G, 86967-48-8
Medchemexpress LLC Bis(2-ethylhexyl) phthalate (deuterated) | 352431-42-6 | 428.79 | C24D38O4 | 10 MG
DEHP-d38 is the deuterium-labeled form of bis(2-ethylhexyl) phthalate used as an analytical standard and tracer in mass spectrometry and quantitative studies. Supplied in a small research-scale package, it facilitates accurate quantification and recovery experiments where isotopic labeling improves analytical precision.
- Deuterium-labeled internal standard for mass spectrometry.
- Molecular formula C24D38O4, molecular weight 428.79, CAS 352431-42-6.
- Liquid, colorless to light yellow appearance.
- Stable under recommended storage: -20°C for long-term; -80°C in solvent for short-term.
- Available in small research quantities, including 10 mg packages.
Medchemexpress LLC 1-methylimidazole-d6 | 285978-27-0 | MFCD00190485 | 98.8% | 88.14 | C4D6N2 | 10 MG
1-Methylimidazole-d6 is the deuterium-labeled isotopologue of 1-methylimidazole supplied for use as an isotopic reference and internal standard in analytical laboratories. It is intended for tracer and quantitative applications in NMR, GC-MS, and LC-MS workflows.
- Deuterium-labeled internal standard for quantitative analysis by NMR, GC-MS, and LC-MS.
- High chemical purity (≈98.8%) and consistent isotopic enrichment for reliable results.
- Molecular weight 88.14 and molecular formula C4D6N2 for precise mass calculations.
- Available in small, laboratory-scale quantities suitable for standard analytical protocols.
Medchemexpress LLC Dopamine-d3 hydrochloride | 53587-30-7 | MFCD03428087 | 98.0% | 192.66 g/mol | C8H9D3ClNO2 | 10 MG
Dopamine-d3 hydrochloride is a deuterium-labeled analogue of dopamine supplied as the hydrochloride salt for use as an internal standard or tracer in analytical and research applications, including mass spectrometry and isotope-labeling studies.
- Deuterium-labeled (d3) form for accurate mass spectrometry quantification.
- Hydrochloride salt, stable solid suitable for analytical workflows.
- CAS number 53587-30-7 and molecular weight 192.66 g/mol.
- High isotopic enrichment and chemical purity for reliable internal standard performance.
- Suitable for preparation of calibration standards and method validation in bioanalysis.