Isotopically Labeled Compounds
Medchemexpress LLC Sphingosine-1-phosphate (d17:1) | 474923-27-8 | 99.0% | C17H36NO5P | 1 MG
Sphingosine-1-phosphate d17:1 is a ceramide derivative primarily used in cancer research.
- Derivative of ceramide
- Suitable for cancer research
- Purity of 99.0%
- Molecular weight of 365.45
- Chemical formula: C17H36NO5P
- Appears as a white to off-white solid
- Soluble in 0.3 M NaOH (4 mg/mL)
- Store powder at -20°C for 3 years
- Store in solvent at -80°C for 6 months or -20°C for 1 month
Medchemexpress LLC Dimethyl fumarate-d2 | 23057-98-9 | MFCD08704934 | 99.2% | 146.14 g/mol | C6H6D2O4 | 10 MG
Dimethyl fumarate-d2 is the deuterium-labeled isotopologue of dimethyl fumarate provided as a research reference standard. It is used in analytical, pharmacokinetic, and mechanistic studies where a mass-shifted tracer or internal standard is required, enabling precise detection and quantitation by mass spectrometry.
- Deuterium-labeled for mass spectrometry and tracer studies.
- Suitable as an internal standard in analytical and pharmacokinetic assays.
- High chemical purity: 99.2%.
- Available in small research quantities (10 mg) for analytical workflows.
- Molecular formula C6H6D2O4; molecular weight 146.14 g/mol.
Cayman Chemical Cytosn-d2 50mg
An internal standard for the quantification of cytosine by GC- or LC-MS
Cayman Chemical ThymIdIn-d4 1mg
An internal standard for the quantification of thymidine by GC- or LC-MS
Cayman Chemical FluvoxamIn-d4maleate 500ug
An internal standard for the quantification of fluvoxamine by GC- or LC-MS
Cayman Chemical Lyso-PAF C-16-d4 500ug
An internal standard for the quantification of PAF C-16 by GC- or LC-MS.
Sigma Aldrich Fine Chemicals Biosciences H20 18O NORMLIZED 99 ATOM
NC3681982 H20 18O NORMLIZED 99 ATOM
Medchemexpress LLC Cetirizine-d4 dihydrochloride | 83881-52-1 | ≥98.0% | 10 MG
Cetirizine-d4 dihydrochloride is a deuterium-labeled research standard of cetirizine, supplied for analytical and laboratory use. The compound is provided as the dihydrochloride salt and is intended for use as an internal standard or tracer in mass spectrometry and chromatographic assays.
- Deuterium-labeled for mass spectrometry and tracer studies.
- Dihydrochloride salt for consistent handling and stability.
- High chemical purity (≥98.0%).
- Supplied in small milligram quantities suitable for analytical standards.
- Suitable as an internal standard for HPLC-MS and quantitative assays.
Medchemexpress LLC Citric acid-2,4-13C2 | 121633-50-9 | MFCD00143997 | 98.0% | 194.11 g/mol | C6H8O7 | 1 MG
Citric acid-2,4-13C2 is a stable isotope-labeled form of citric acid with 13C at positions 2 and 4. Supplied as a white to off-white solid, it is designed for use as a tracer or internal standard in quantitative analyses such as NMR, GC-MS, and LC-MS.
- Stable isotope labeling at positions 2 and 4 for precise metabolic tracing.
- High purity (98.0%) suitable for analytical and quantitative work.
- White to off-white solid for straightforward handling and storage.
- High aqueous solubility (≈100 mg/mL) with ultrasonic assistance if needed.
- Storage recommendations provided to preserve stability in powder and solution.
- Available in small milligram pack sizes suitable for laboratory analyses.
Medchemexpress LLC Salbutamol-d9 | 1173021-73-2 | 98.0% | 1 MG
Salbutamol-d9 (Albuterol-d9) is a deuterium-labeled short-acting β2-adrenergic receptor agonist. It serves as a tracer and internal standard for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS. The unlabeled compound, Salbutamol, is known to promote tumorigenesis in gastric cancer cells via the β2-AR/ERK/EMT pathway and can relax bronchial smooth muscle, which is pertinent for studies concerning bronchospasm related to asthma and chronic obstructive pulmonary disease.
- Deuterium-labeled compound for research applications.
- Functions as a tracer for quantitative analysis.
- Can be used as an internal standard in analytical methods.
- Supports research in areas like asthma and chronic obstructive pulmonary disease.
- Relevant for studies on tumorigenesis in gastric cancer cells.
Medchemexpress LLC Betaine-d9 chloride | 285979-85-3 | 99.7% | 162.66 g·mol⁻¹ | C5H3D9ClNO2 | 10 MG
Betaine-d9 chloride is the deuterium-labeled analogue of betaine chloride used as a stable isotope research standard for quantitative mass spectrometry and tracer studies.
- Suitable as an internal standard for mass spectrometry.
- Deuterium-labeled tracer for isotope-labeling experiments.
- High chemical and isotopic purity for accurate quantitation.
- Supplied as a solid chloride salt for analytical workflows.
- Available in small mg-scale pack sizes for research use.
Medchemexpress LLC Glycerol-d5 | 62502-71-0 | 25 MG
Glycerol-d5 is a deuterium-labeled variant of Glycerol with a molecular formula of C3H3D5O3 and a molecular weight of 97.12. It targets endogenous metabolites and is involved in the metabolic enzyme/protease pathway. This product is utilized in sample preparation and gel formation for polyacrylamide gel electrophoresis. Deuterium labeling is commonly used as tracers for quantitation during drug development and can impact pharmacokinetic and metabolic profiles of drugs. It is soluble in DMSO and H2O at 100 mg/mL, both requiring ultrasonic treatment for dissolution.
- Deuterium-labeled glycerol
- Targets endogenous metabolites
- Involved in metabolic enzyme/protease pathway
- Used in sample preparation and gel formation for polyacrylamide gel electrophoresis
- Soluble in DMSO and H2O at 100 mg/mL (requires ultrasonic treatment)
Medchemexpress LLC Veratrole-d6 | 24658-24-0 | 98.7% | 25 MG
Veratrole-d6 | 24658-24-0 | 98.7% | 25 MG
Medchemexpress LLC DL-Norepinephrine-d6 hydrochloride | 1219803-04-9 | 10 MG
DL-Norepinephrine-d6 hydrochloride is a deuterium-labeled form of DL-Norepinephrine hydrochloride. DL-Norepinephrine hydrochloride is an external racemic catecholamine neurotransmitter, consisting of an equal mixture of left-handed (L-, active) and right-handed (D-, very low or inactive) stereoisomers. This compound can be used as a tracer for Parkinson's disease research when labeled with tritium. Deuteration, which involves incorporating stable heavy isotopes of hydrogen, carbon, and other elements into drug molecules, is utilized for quantitation during drug development and can influence the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer
- Used as an internal standard for quantitative analysis via NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes for quantitation during drug development
- May influence pharmacokinetic and metabolic profiles of drugs