Isotopically Labeled Compounds
Medchemexpress LLC L-methionine-d4 | 67866-75-5 | 97.0% | 10 MG
Deuterium-labeled L-methionine (L-methionine-3,3,4,4-d4) is a stable isotope standard used as an internal standard or tracer in mass spectrometry, metabolomics, and biochemical assays. It enables accurate quantitation of methionine and related metabolites in labeling and flux experiments.
- Used as an internal standard for LC-MS and GC-MS quantitation.
- Deuterated at positions 3,3,4,4 to allow isotopic distinction from endogenous methionine.
- Molecular formula C5H7D4NO2S; molecular weight 153.24 g/mol.
- Purity 97.0% as supplied.
- Recommended storage: powder -20°C for long term, 4°C for short term; in solvent -80°C for medium term.
- Packaged as 10 mg powder suitable for analytical workflows.
Medchemexpress LLC Cholan-24-oic-24-13C acid, 3,7,12-trihydroxy-, (3α,5β,7α,12α)- | 52886-36-9 | 99.2% | 409.56 | C23(13C)H40O5 | 10 MG
Cholic acid-13C is the 13C-stable isotope labeled form of cholic acid, provided as a high-purity analytical standard for metabolic and lipid research. Supplied as a small quantity powder for laboratory use; not for human consumption.
- 13C-stable isotope labeling for use in mass spectrometry and tracer studies.
- High reported purity, suitable for analytical applications.
- Supplied in a 10 mg quantity for standards and small-scale experiments.
- Datasheet, certificate of analysis, and SDS available for quality and safety verification.
- For research use only; not for human or therapeutic use.
Medchemexpress LLC L-methionine-13C,d5 | 2483824-33-3 | 98.0% | 155.23 | C413CH6D5NO2S | 10 MG
L-Methionine-13C,d5 is the 13C- and deuterium-labeled form of the essential amino acid L-methionine, supplied as a research reagent for tracer experiments, quantitative mass spectrometry, and metabolic studies. For research use only; not for human therapeutic use.
- Stable isotope labeled with 13C and five deuterium atoms.
- Molecular weight 155.23 for accurate mass-based quantitation.
- High purity (98%) suitable for analytical and tracer applications.
- Available in small, measured quantities for tracer dosing (1 mg, 5 mg, 10 mg).
- Store sealed, away from moisture and light; in solvent: -80°C up to 6 months, -20°C up to 1 month.
Medchemexpress LLC L-glutamine-13C5,15N2,d5 | 2123439-02-9 | 99.9% | 158.13 | 13C5H5D515N2O3 | 10 MG
L-Glutamine-13C5,15N2,d5 is an isotopically labeled form of the amino acid L-glutamine containing five 13C atoms, two 15N atoms, and five deuterium atoms. Supplied as a 10 mg research pack, it is suitable for analytical and tracer applications such as mass spectrometry and NMR.
- Isotopically labeled with 13C, 15N, and deuterium for tracer studies.
- High isotopic and chemical purity for analytical workflows.
- Small 10 mg pack convenient for method development and limited-sample work.
- Solid form for accurate weighing and sample preparation.
- Compatible with mass spectrometry and NMR applications.
Medchemexpress LLC Bisphenol A-d16 | 96210-87-6 | MFCD29073707 | 100.0% | 244.38 g/mol | C15D16O2 | 10 MG
Bisphenol A-d16 is a deuterium-labeled isotopologue of bisphenol A intended for research and analytical applications. It is used as a stable isotope internal standard and tracer in quantitative mass spectrometry and toxicology studies, providing consistent, traceable results for analytical workflows.
- Deuterium-labeled internal standard for quantitative assays.
- High isotopic enrichment for accurate mass spectrometry measurements.
- High chemical purity suitable for analytical use.
- Supplied in a small vial for trace-level standard preparation.
- Useful for isotope dilution and tracer studies.
Medchemexpress LLC Mavacamten-d7 | 1642288-47-8 | 99.7% | 280.37 | 50 MG
Mavacamten-d7 (MYK461-d7) is a deuterium labeled variant of Mavacamten. Mavacamten is an orally active modulator of cardiac myosin, with IC50s of 490 nM and 711 nM for bovine cardiac and human cardiac, respectively.
- Deuterium labeled compound
- Modulator of cardiac myosin
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Potential to affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC L-Valine-13C5,15N | 202407-30-5 | 123.10 | 100 MG
L-Valine-13C5,15N is the 13C- and 15N-labeled form of L-Valine. It has been shown to cause lipid peroxidation and accumulation of malondialdehyde (MDA), and exhibits inhibitory activity against cyanobacteria. It also inhibits multidrug-resistant bacteria through activation of the PI3K/Akt signaling pathway and inhibition of arginase. This compound is intended for research use only.
- Can be used as a tracer
- Can serve as an internal standard for quantitative analysis using techniques like NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes of carbon (13C) and nitrogen (15N), useful for quantitation during drug development processes
Medchemexpress LLC 5Z,8Z,11Z,14Z-Eicosatetraenoic-16,16,17,17,18,18,19,19,20,20,20-d11 acid | 2692624-11-4 | 98.0% | 315.53 | 50 MG
Arachidonic acid-d11 is the deuterium labeled Arachidonic acid. It is an essential fatty acid and a major constituent of biomembranes. This product is provided as a colorless to light yellow liquid solution.
- Deuterium labeled
- Essential fatty acid
- Major constituent of biomembranes
- Colorless to light yellow liquid
- Purity of 98.0%
- Store at -20°C for up to 2 years
Medchemexpress LLC Maribavir-d6 | 176161-24-3 | 99.8% | 382.27 | C15H13D6Cl2N3O4 | 10 MG
Maribavir-d6 is a deuterium-labeled isotopologue of maribavir supplied as a high-purity reference material for analytical and mechanistic research. It inhibits histone phosphorylation catalyzed by wild-type pUL97 (IC50 3 nM) and is provided as a stable, solid reagent suitable for laboratory use.
- Deuterium-labeled reference standard for analytical studies
- High purity (99.8%) suitable for research applications
- Defined molecular weight (382.27) and formula for accurate mass work
- White to off-white solid appearance for easy handling
- Recommended storage conditions to maintain stability
Medchemexpress LLC Palmitic acid-d31 | 39756-30-4 | 287.62 | 50 MG
Palmitic acid-d31 is the deuterium-labeled Palmitic acid. Palmitic acid is a long-chain saturated fatty acid commonly found in both animals and plants. It can induce the expression of glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in mouse granulosa cells.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Genscript Corporation 25-OH Vitamin D3 BSA Conjugat
Vitamin D plays an important role in calcium homeostasis and metabolism Vitamin D3 and vitamin D2 are two forms of vitamin D in human body both of which only a few foods contain The deficiency of vitamin D in human body can cause a threat of diseases such as osteomalacia rickets and diabetes 25-OH Vitamin D2 and 25-OH Vitamin D3 as vitamin D metabolites are measured in human serum to evaluate vitamin D level Vitamin D supplements are considered as an effective way to treat or to prevent the diseases
Cambridge Isotope Laboratories GFL PEPTIDE STANDARD (13C, 98%+; 15N, 96-99%) 1 mM PEPTIDE IN DMSO-D6, 1 STANDARD
GFL PEPTIDE STANDARD (13C, 98%+; 15N, 96-99%) 1 mM PEPTIDE IN DMSO-D6, 1 STANDARD