Isotopically Labeled Compounds
Cayman Chemical LIgnocerIc AcId-d47 10mg
An internal standard for the quantification of lignoceric acid by GC- or LC-MS
Medchemexpress LLC Quinolinic acid-d3 | 138946-42-6 | MFCD13189065 | 99.9% | 170.14 | C7H2D3NO4 | 5 MG
Quinolinic acid-d3 is the deuterium-labeled analogue of quinolinic acid provided as a high-purity stable isotope reference for biochemical and analytical research. It is intended for use as an internal standard, tracer, or reference in LC-MS, metabolic studies, and method development; supplied as a powder with specified solubility and storage recommendations.
- High isotopic labeling for accurate quantitation.
- High purity suitable for analytical applications.
- Suitable as an internal standard and tracer in metabolic and LC-MS methods.
- Soluble in DMSO and water with ultrasonic assistance.
- Stable when stored under recommended powder and solvent conditions.
- For research use only; not for human or veterinary use.
Cayman Chemical OctnoIc AcId-d2 100mg
An internal standard for the quantification of octanoic acid by GC- or LC-MS
Medchemexpress LLC D-Fructose-d7 | 50 MG
D-Fructose-d7 is the deuterium-labeled form of D-Fructose, a naturally occurring monosaccharide found in many plants. Intended for research use only, this compound is not for sale to patients. It can be utilized as a tracer and as an internal standard for quantitative analysis. Deuteration, the incorporation of stable heavy isotopes, is used for quantitation during drug development and can influence pharmacokinetic and metabolic profiles.
- Deuterium-labeled form of D-Fructose
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes for quantitation during drug development
- Has potential to affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC DL-Norepinephrine-d6 (hydrochloride) | 1219803-04-9 | MFCD08705108 | 5 MG
DL-Norepinephrine-d6 hydrochloride is a deuterium labeled external racemic catecholamine neurotransmitter, identified as a marker for catecholamine-secreting tumors. It functions as an internal standard for quantitative analysis and can be used as a tracer in research, including for Parkinson's disease.
- Deuterium labeled compound
- Functions as an external racemic catecholamine neurotransmitter
- Suitable for use as a tracer in research
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Useful for monitoring norepinephrine levels in urine or plasma
- Modulates human dendritic cell activation by altering cytokine release
- Acts as an antagonist of dibutyryl cyclic AMP in narcosis regulation
Medchemexpress LLC 1,2-propylene-d6 carbonate | 202480-74-8 | MFCD00142486 | 98.7% | 108.13 | C4D6O3 | 50 MG
1,2-Propylene-d6 carbonate is the deuterium-labeled analogue of 1,2-propylene carbonate used as an analytical tracer and internal standard for quantitative NMR, GC-MS, and LC-MS. It is supplied as a high-purity, isotopically labeled small-molecule reagent for method development, calibration, and quantitation workflows.
- Deuterium-labeled (d6) isotopologue for mass and NMR differentiation.
- High purity (98.65%) suitable for analytical applications.
- Molecular weight 108.13 and chemical formula C4D6O3.
- Intended use as a tracer and internal standard for NMR, GC-MS, and LC-MS.
- Available in small package sizes for analytical and method development.
- Compatible with quantitative workflows and calibration procedures.
Medchemexpress LLC Spermine-d8 tetrahydrochloride | 1173022-85-9 | 95% | 1 MG
Spermine-d8 tetrahydrochloride | 1173022-85-9 | 95% | 1 MG
Medchemexpress LLC D-glucose-13C | 101615-88-7 | 99.7% | 181.15 | C₅¹³CH₁₂O₆ | 10 MG
D-Glucose-13C is a stable isotope-labeled form of D-glucose used as a metabolic tracer for studies of glucose utilization and metabolic flux. It is suitable for mass spectrometry and NMR applications where 13C labeling enables tracing of carbon flow through biochemical pathways.
- High isotopic labeling (13C) for metabolic tracing.
- High purity: 99.7%.
- Molecular weight: 181.15 g/mol.
- Available in small research pack sizes, including 10 mg.
- Suitable for MS and NMR-based metabolic studies.
Medchemexpress LLC Aripiprazole-d8 | 1089115-06-9 | MFCD08460937 | 98.4% | 456.43 g/mol | C23H19D8Cl2N3O2 | 5 MG
Aripiprazole-d8 is the deuterium-labeled analogue of aripiprazole supplied for research use as a stable isotope reference standard. It is provided as a high-purity, small-mass sample intended for use as an internal standard in mass spectrometry and for analytical method development and pharmacokinetic studies.
- Stable isotope-labeled internal standard for LC-MS/MS.
- High purity suitable for analytical applications.
- Small 5 mg sample size for solution preparation and method development.
- Supports pharmacokinetic and metabolite studies.
- Suitable for quantitative and qualitative mass spectrometry assays.
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 Sodium monofluoroacetate (13C2 99% 2 2-D2 98%) 1 mg/mL in water 1 2 mL
Sodium monofluoroacetate (13C2 99% 2 2-D2 98%) 1 mg/mL in water 1 2 mL
Medchemexpress LLC Glycine-13C2,15N | 211057-02-2 | MFCD00083979 | 99.9% | 78.05 g/mol | 13C2H515NO2 | 50mg
Glycine-13C2 15N is the 13C- and 15N-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
Cambridge Isotope Laboratories D-FRUCTOSE (2-13C, 99%), 1 G, 117013-19-1
D-FRUCTOSE (2-13C, 99%), 1 G, 117013-19-1
Cambridge Isotope Laboratories AMMONIA (D3, 99%), 25 L, 13550-49-7
AMMONIA (D3, 99%), 25 L, 13550-49-7