Isotopically Labeled Compounds
Cambridge Isotope Laboratories L-SERINE (2,3,3-D3, 98%; 15N, 98%), 0.25 G
L-SERINE (2,3,3-D3, 98%; 15N, 98%), 0.25 G
Cambridge Isotope Laboratories 2 4 6-Trichloroanisole (unlabeled) 1 mg/mL in methanol 1 2 mL
2 4 6-Trichloroanisole (unlabeled) 1 mg/mL in methanol 1 2 mL
Cayman Chemical N-Arachidonoyl Taurine-d4, Purity: ≥99% deuterated forms (d1-d4), 1 mg
An internal standard for the quantification of N-arachidonoyl taurine by GC- or LC-MS
Medchemexpress LLC Benzene-2,3,4,5-d4-butanoic acid, α,6-diamino-γ-oxo-, (S)- (hydrochloride) | 00-00-0 | 99.6% | 248.70 | C10H9D4ClN2O3 | 1 MG
L-Kynurenine-d4-1 hydrochloride is a deuterium-labeled analog of L-kynurenine supplied as the hydrochloride salt for research use. It is intended as a tracer and a stable internal standard for quantitative method development and metabolite analysis in biological samples.
Medchemexpress LLC Difloxacin-d3 hydrochloride | 1173021-89-0 | 99.0% | 5 MG
Difloxacin-d3 hydrochloride is the deuterium-labeled hydrochloride salt of the fluoroquinolone antibiotic difloxacin. Supplied as a solid analytical standard for research use, it is used as a tracer or internal standard for quantitative NMR, GC-MS, and LC-MS analyses; deuterium substitution may alter pharmacokinetic and metabolic behavior relative to the unlabeled compound.
- Deuterium-labeled tracer for quantitative analysis
- High purity (99.0%) suitable for analytical standards
- Available in small mg quantities for method development
- Solid form simplifies storage and handling
- For research use only; not for human use
Medchemexpress LLC L-ornithine-d7 hydrochloride | 2483831-57-6 | 99.6% | 175.67 | C5H6D7ClN2O2 | 50 MG
L-Ornithine-d7 hydrochloride is the deuterium-labeled hydrochloride salt of L-ornithine supplied as a stable-isotope standard for analytical and metabolic research. It is intended for use as an internal standard in mass spectrometry, tracer studies, and other applications requiring isotopically labeled amino acids.
- Deuterium-labeled (d7) isotopologue for mass spectrometry and tracer experiments.
- Provided as the hydrochloride salt for improved stability and solubility.
- High purity suitable for analytical applications (reported ~99.6%).
- Available in multiple small-scale quantities for research use.
- Molecular formula C5H6D7ClN2O2; molecular weight 175.67.
Cambridge Isotope Laboratories WATER (17O, 35-40%), 1 G, 13768-40-6
WATER (17O, 35-40%), 1 G, 13768-40-6
Medchemexpress LLC Propanoic-13C sodium | 62601-06-3 | MFCD00002758 | 99.6% | 97.05 g/mol | 13C C3H5NaO2 | 10 MG
Sodium propionate labeled with 13C is the isotopically labeled sodium salt of propionic (propanoic) acid supplied for use as a tracer or internal standard in analytical chemistry (NMR, GC-MS, LC-MS). It is provided as a white solid for research use only and should be stored sealed, away from moisture and light.
Medchemexpress LLC Lactate-d3 sodium | 1219802-24-0 | 98% | 1 MG
Lactate-d3 sodium | 1219802-24-0 | 98% | 1 MG
Cambridge Isotope Laboratories 3-METHYLADENINE (METHYL-D3, 98%), 50 MG, 110953-39-4
3-METHYLADENINE (METHYL-D3, 98%), 50 MG, 110953-39-4
Medchemexpress LLC Methyl stearate-d35 | 29823-25-4 | 99.9% | 100 MG
Methyl stearate-d35 is the deuterium labeled Methyl stearate. Methyl stearate, isolated from Rheum palmatum L., is a component of soybean and rapeseed biodiesels. 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.
- Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process.
- Deuteration has the potential to affect the pharmacokinetic and metabolic profiles of drugs.
Cambridge Isotope Laboratories 3-CHLOROTYROSINE:HCL (13C9, 98%; 15N, 98%), CP: 95%, 1 MG
3-CHLOROTYROSINE:HCL (13C9, 98%; 15N, 98%), CP: 95%, 1 MG
Medchemexpress LLC Glycine-2-13C | 20220-62-6 | MFCD00037550 | 99.3% | 76.06 | C13CH5NO2 | 10mg
Glycine-2-13C is the 13C-labeled Glycine Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors
Medchemexpress LLC N-2-hydroxyethylpiperazine-N'-ethanesulfonic acid-d18 | 203805-87-2 | MFCD00006158 | 99.9% | 256.42 | C8D18N2O4S | 10 MG
Deuterium-labeled HEPES buffer provided as a high-purity solid for analytical and biochemical applications. It serves as a nonvolatile zwitterionic buffering agent effective at pH 6.8-8.2 and is intended for use as a tracer or internal standard in quantitative NMR, GC-MS, and LC-MS work.
- High isotopic enrichment suitable for NMR and mass spectrometry.
- High purity (99.9%) for analytical reliability.
- Effective buffering range pH 6.8-8.2 for biological assays.
- Available in small milligram quantities for tracer studies.
- Stable solid form with defined low-temperature storage recommendations.
Cambridge Isotope Laboratories ADENOSINE 5'-TRIPHOSPHATE (ATP), AMMONIUM SALT (RIBOSE-3',4',5',5''-D4,98%)CHEM.PUR.>90%(IN SOLN), 100 UMOL
ADENOSINE 5'-TRIPHOSPHATE (ATP), AMMONIUM SALT (RIBOSE-3',4',5',5''-D4,98%)CHEM.PUR.>90%(IN SOLN), 100 UMOL