Isotopically Labeled Compounds
Medchemexpress LLC Glycine-d5 | 4896-77-9 | MFCD00064427 | 98.0% | 80.10 | C2D5NO2 | 50mg
Glycine-d5 is the deuterium 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 Dl-dithiothreitol-d6 | 850153-85-4 | MFCD00042404 | 99.0% | 160.29 g·mol-1 | C4H4D6O2S2 | 10 MG
DL-dithiothreitol-d6 (DTT-d6) is the deuterated analogue of DL-dithiothreitol, used as a reducing agent to cleave disulfide bonds and as an isotopic internal standard in analytical and mass spectrometry applications.
- Deuterated (d6) analogue suitable for mass spectrometry and isotopic labeling applications.
- High chemical purity: 99.0%.
- Molecular formula C4H4D6O2S2 and molecular weight 160.29 g·mol-1.
- Used to reduce disulfide bonds in protein and sample preparation workflows.
- Available in 10 mg pack size for analytical use.
Medchemexpress LLC Estriol-d2 | 53866-32-3 | 98.5% | 1 MG
Estriol-d2 is the deuterium labeled form of Estriol. It acts as an antagonist of the G-protein coupled estrogen receptor in estrogen receptor-negative breast cancer cells. This compound is suitable for use as a tracer and as an internal standard for quantitative analysis by techniques such as NMR, GC-MS, or LC-MS.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis (NMR, GC-MS, LC-MS)
- Deuterium labeled Estriol
- Antagonist of G-protein coupled estrogen receptor
- Molecular formula: C18H22D2O3
- Molecular weight: 290.39
- Purity: 98.47%
- Appearance: Solid, white to off-white
Cambridge Isotope Laboratories DIMETHYL-D6-AMINE:HCL (D, 98%), 5 G, 53170-19-7
DIMETHYL-D6-AMINE:HCL (D, 98%), 5 G, 53170-19-7
Cambridge Isotope Laboratories Benzyl butyl phthalate (ring-D4 98%) 0 1 g
Benzyl butyl phthalate (ring-D4 98%) 0 1 g
Medchemexpress LLC (S)-rivastigmine-d6 tartrate | 194930-00-2 | 99.0% | 406.46 | C18H22D6N2O8 | 5 MG
(S)-Rivastigmine-d6 tartrate is the deuterium-labeled form of (S)-rivastigmine tartrate supplied as a solid research standard for use as an analytical tracer, internal standard, or in quantitative studies of cholinesterase inhibition. It is intended for laboratory research and includes recommended storage and solvent guidelines for reliable handling.
- Deuterium-labeled internal standard for quantitative analysis
- High isotopic and chemical purity (99.0%)
- Stable solid with recommended storage at -20°C; in solution store at -80°C for long-term stability
- Soluble in DMF, DMSO, and ethanol at specified concentrations
- Available in small milligram quantities for analytical workflows
Medchemexpress LLC 16:0-18:1 PS-d31 sodium | 327178-96-1 | MFCD02259271 | 99.1% | 815.18 g/mol | C40H44NO10PNaD31 | 5 MG
16:0-18:1 PS-d31 sodium is a deuterium-labeled phosphatidylserine (PS) lipid supplied as the sodium salt for research use. The d31 isotopic label enables sensitive mass spectrometry tracing and quantification in lipidomics and metabolic studies. Supplied in small research quantities, it is intended for laboratory applications only.
- Deuterium-labeled phosphatidylserine sodium salt for isotope tracing.
- High purity (99.08%) suitable for analytical applications.
- Optimized for mass spectrometry and lipidomics workflows.
- Useful as an internal standard or tracer in metabolic studies.
- Available in small research quantities for laboratory experiments.
Cambridge Isotope Laboratories Methylphosphonic acid (unlabeled) 100 ug/mL in methanol 1 2 mL
Methylphosphonic acid (unlabeled) 100 ug/mL in methanol 1 2 mL
Cambridge Isotope Laboratories Mono-(3-carboxypropyl)phthalate (ring-1 2-13C2 dicarboxyl-13C2 99%) 100 ug/mL in MTBE 1 2 mL
Mono-(3-carboxypropyl)phthalate (ring-1 2-13C2 dicarboxyl-13C2 99%) 100 ug/mL in MTBE 1 2 mL
Medchemexpress LLC Tristearin-d9 | 285979-76-2 | MFCD01075451 | >=98.0% | 900.54 g/mol | C57H101D9O6 | 5 MG
Tristearin-d9 is the deuterium-labeled form of tristearin, a triglyceride made from three stearic acid units. It is used as a stable isotope-labeled standard in analytical and metabolic research, supporting accurate quantitation and tracing in lipid studies.
- Deuterium-labeled triglyceride for use as an internal standard in analytical methods.
- High isotopic enrichment (≈99 atom % D) and ≥98% chemical purity for reliable quantitation.
- Appropriate for mass spectrometry and lipid metabolism tracing studies.
- Supplied in a research-scale quantity suitable for method development.
- Stable under typical storage conditions; follow provided handling instructions and documentation.
Medchemexpress LLC (S)-Lathosterol-d4 | 1182005-25-9 | 99.7% | 390.68 | 500 UG
(S)-Lathosterol-d4 is a deuterium-labeled derivative of (S)-Lathosterol. Lathosterol itself is a molecule similar to cholesterol. The concentration of serum lathosterol is used as an indicator for the synthesis of cholesterol in the whole body. This compound is intended for research use only and is not sold to patients.
- Deuterium labeled (S)-Lathosterol.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by techniques such as NMR, GC-MS, or LC-MS.
- Stable heavy isotopes of hydrogen, carbon, and other elements can be incorporated into drug molecules for use as tracers in drug development.
- Deuteration can potentially influence the pharmacokinetic and metabolic profiles of drugs.
Cayman Chemical Difloxacin-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 1173147-93-7, 1 mg
An internal standard for the quantification of difloxacin by GC- or LC-MS
Medchemexpress LLC DEHP-d4 (Bis(2-ethylhexyl) phthalate-d4) | 93951-87-2 | MFCD00143759 | 99.9% | 1 ML
DEHP-d4 is a deuterium-labeled variant of Bis(2-ethylhexyl) phthalate (DEHP), an endogenous metabolite. This compound is intended for research purposes, specifically as a tracer or an internal standard for quantitative analysis through methods such as NMR, GC-MS, or LC-MS. Deuterium substitution in drug molecules has been noted for its potential to alter pharmacokinetic and metabolic profiles.
Features and Benefits:
- Used as a tracer.
- Serves as an internal standard for quantitative analysis.
- Applicable in NMR, GC-MS, or LC-MS analysis.
- Deuterium labeling can impact pharmacokinetic and metabolic profiles.
- High purity of 99.9%.
Medchemexpress LLC D-Fructose-d4 | 478518-49-9 | 1 MG
D-Fructose-d4 is the deuterium-labeled form of D-Fructose, a naturally occurring monosaccharide found in many plants.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
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