Isotopically Labeled Compounds
Cambridge Isotope Laboratories SPECTRA 9 (13C, 98%; D, 97%+; 15N, 98%), 0.5 L
SPECTRA 9 (13C, 98%; D, 97%+; 15N, 98%), 0.5 L
Medchemexpress LLC Levosulpiride-d3 | 124020-27-5 | 99.8% | 5 MG
Levosulpiride-d3 is the deuterium labeled Levosulpiride. Levosulpiride (RV-12309) is the (S)-enantiomer of sulpiride, which is a D2 receptor antagonist, an atypical antipsychotic agent of the benzamide class.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- D3 receptor antagonist
- Used in neurological, eye or ear, metabolic or endocrine diseases
Medchemexpress LLC D-Fructose-13C | 108311-21-3 | 50 MG
D-Fructose-13C is the 13C labeled D-Fructose. D-Fructose (D(-)-Fructose) is a naturally occurring monosaccharide found in many plants. This product is for research use only and is not sold to patients. The incorporation of stable heavy isotopes like hydrogen, carbon, and other elements into drug molecules serves primarily for quantitation as tracers during drug development. Deuteration, specifically, has gained recognition for its potential influence on 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
Cambridge Isotope Laboratories 3-EPI-25-HYDROXYVITAMIN D3 UNLABELED 50 UG/ML IN ETHANOL, 1 ML
3-EPI-25-HYDROXYVITAMIN D3 UNLABELED 50 UG/ML IN ETHANOL, 1 ML
Medchemexpress LLC Thymidine-15N2 | 50-89-5 | 244.22 | 5 MG
Thymidine-15N2 is the 15N labeled Thymidine, a specific precursor of deoxyribonucleic acid. It is used as a cell synchronizing agent and functions as a DNA synthesis inhibitor, capable of arresting cells at the G1/S boundary prior to DNA replication. Stable heavy isotopes, such as 15N, are incorporated into drug molecules to serve as tracers for quantitation during drug development.
- Used as a tracer and an internal standard for quantitative analysis.
- Can be analyzed by NMR, GC-MS, or LC-MS techniques.
- Functions as a DNA synthesis inhibitor.
- Arrests cells at the G1/S boundary.
- Suitable for metabolic flux analysis.
- Applied in various research areas, including cancer, cell cycle, and anti-infection studies.
Medchemexpress LLC (±)-Naproxen-d3 | 958293-79-3 | MFCD22572922 | 99.8% | 233.28 g/mol | C14H11D3O3 | 10 MG
(±)-Naproxen-d3 is the deuterium-labeled form of naproxen used as an analytical reference standard and tracer. It is intended as an internal standard for quantitative and metabolic studies and supports accurate method development and validation in spectrometric and chromatographic workflows.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS applications.
- High chemical and isotopic purity for reliable quantitation.
- Supplied in small, accurately weighed quantities for analytical work.
- Molecular formula C14H11D3O3 and molecular weight 233.28 g/mol.
Medchemexpress LLC Minocycline-d7 | 10118-90-8 | 464.52 | C23H20D7N3O7 | 500 UG
Minocycline-d7 is a deuterium-labeled (d7) isotopologue of minocycline supplied as a reference standard for analytical and biochemical applications. It is intended for use as an internal standard in mass spectrometry and for tracer studies where isotopic labeling provides clear mass separation from the native compound.
- Deuterium-labeled (d7) isotopologue.
- Suitable as an internal standard for mass spectrometry.
- Useful for tracer and quantitative analytical studies.
- Chemical formula C23H20D7N3O7 and molecular weight 464.52.
- Available in a 500 UG package for analytical use.
Medchemexpress LLC L-homocysteine-d4 | 331665-12-4 | MFCD01317494 | 94.9% | 139.21 | C4H5D4NO2S | 1 MG
L-Homocysteine-d4 is the deuterium-labeled form of L-homocysteine provided as a neat solid for use as an internal standard and tracer in quantitative analytical methods. It is intended for research and analytical applications such as LC-MS, GC-MS, and NMR, enabling isotope-dilution quantitation and method calibration.
- Deuterium-labeled L-homocysteine for isotope-dilution quantitation.
- High purity suitable for analytical standards and reference materials.
- Supplied as a white to off-white solid stable under sealed storage at 4°C.
- Soluble in water and DMSO with ultrasonic assistance for sample preparation.
- Known chemical formula and molecular weight facilitate accurate mass confirmation during analysis.
Cambridge Isotope Laboratories SPECTRA 9 (13C, 98%; 15N, 98%), 0.5 L
SPECTRA 9 (13C, 98%; 15N, 98%), 0.5 L
Cambridge Isotope Laboratories GLYCAN-O25-13C-GAL6 (GALACTOSE-13C6, 99%), 500 PMOL
GLYCAN-O25-13C-GAL6 (GALACTOSE-13C6, 99%), 500 PMOL
Cambridge Isotope Laboratories SPECTRA 9 (D, 97%+; 15N, 98%+), 1 L
SPECTRA 9 (D, 97%+; 15N, 98%+), 1 L
Cambridge Isotope Laboratories DL-2-HYDROXYGLUTARIC ACID, DISODIUM SALT (13C5, 99%), 0.01 G
DL-2-HYDROXYGLUTARIC ACID, DISODIUM SALT (13C5, 99%), 0.01 G
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.
Medchemexpress LLC Choline-d13 chloride | 352438-97-2 | 99.90% | 1 MG
Choline-d13 (chloride) is a deuterium-labeled form of Choline chloride, which is an organic compound and a quaternary ammonium salt. It serves as an acyl group acceptor and a choline acetyltransferase substrate. Choline chloride is also utilized as an important feed additive, particularly for chickens, where it promotes growth.
- 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 have been incorporated into drug molecules for quantitation during drug development
- Deuteration has potential to affect pharmacokinetic and metabolic profiles of drugs