Isotopically Labeled Compounds
Medchemexpress LLC L-alanine-13C3, 15N | 202407-38-3 | MFCD19443802 | 98.0% | 93.06 g·mol⁻1 | 13C3H7 15NO2 | 10 MG
L-alanine-13C3,15N is an isotopically labeled form of the amino acid L-alanine in which three carbon atoms are 13C and the nitrogen is 15N. Supplied as a 10 mg vial for research use, it serves as a stable isotope internal standard, tracer, or reference material for analytical and biochemical workflows. Purity is 98.0% and molecular weight is 93.06 g·mol⁻1.
- Isotopically labeled standard for mass spectrometry and metabolomics.
- Supplied in a small, research-scale package suitable for analytical assays.
- High purity suitable for quantitative internal standard applications.
- Stable, non-radioactive tracer for metabolic and pathway studies.
- Provided with batch-specific datasheet and certificate of analysis for traceability.
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
Apexbio Technology LLC Deoxycholic acid 83-44-3 10mM (in 1mL DMSO)
Deoxycholic acid (CAS 83-44-3) is a secondary bile acid derived from cholic acid commonly extracted from animal bile sources such as pig bile It acts as a natural surfactant involved in the emulsification and absorption of dietary fats in the intestine by disrupting lipid membranes and facilitating micelle formation Owing to its amphipathic properties deoxycholic acid is widely utilized in studies investigating lipid metabolism cell membrane dynamics and bile acid signaling pathways The compound is soluble in ethanol ether methanol acetone acetic acid and alkaline solutions and is typically stored in a sealed cool and dry environment to maintain stability
Medchemexpress LLC Maprotiline-d3 (hydrochloride) | 1329496-63-0 | MFCD32672112 | 98.8% | 316.88 | C20H21D3ClN | 10 MG
Maprotiline-d3 (hydrochloride) is the deuterium-labeled analogue of maprotiline hydrochloride provided for research use as a stable isotope reference or tracer in analytical assays. It is supplied as a powder for method development and quantitative LC-MS/GC-MS workflows; not for human use. Follow the product datasheet and SDS for handling and storage.
Medchemexpress LLC Lidocaine-d6 hydrochloride | 2517378-96-8 | >95% | 1 MG
Lidocaine-d6 hydrochloride is a deuterium-labeled form of Lidocaine hydrochloride, primarily used in research. This compound acts as a sodium channel inhibitor and has shown potential in reducing the growth, migration, and invasion of gastric carcinoma cells by up-regulating miR-145 expression and inactivating MEK/ERK and NF-κB signaling pathways. It is also recognized as an effective agent for treating ventricular arrhythmia.
- Used as a tracer for research applications
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Inhibits sodium channels
- Decreases growth, migration, and invasion of gastric carcinoma cells
- Acts as an agent to treat ventricular arrhythmia
Cayman Chemical Artemether-d3 1mg
An internal standard for the quantification of artemether by GC- or LC-MS
Medchemexpress LLC 4-Butylphenol-d5 | 1219795-04-6 | 98.3% | 155.25 g/mol | C10H9D5O | 1 MG
4-Butylphenol-d5 is the deuterium-labeled analogue of 4-butylphenol provided as a characterized reference material for analytical chemistry. It is intended for use as an internal standard, tracer, or reference compound in mass spectrometry, quantitative assays, and method development, supporting accurate quantitation and identification in complex matrices.
- Deuterium-labeled internal standard for mass spectrometry and quantitative assays.
- CAS number 1219795-04-6 for unambiguous identification.
- Molecular weight 155.25 g/mol.
- High purity (≈98.3%) suitable for analytical use; confirm with certificate of analysis.
- Available in small packaged quantities (e.g., 1 mg) for analytical workflows.
Medchemexpress LLC Benzamide-15N | 31656-62-9 | MFCD00084200 | 25mg
Benzamide-15N is a 15N-labeled Benzamide Benzamide inhibits poly(ADP-ribose) polymerase (PARP)[1][2]
Medchemexpress LLC Cytidine-13C | 201996-57-8 | MFCD00209706 | >99.0% | 5 MG
Cytidine-13C is the 13C labeled Cytidine. It is a pyrimidine nucleoside and acts as a component of RNA. Cytidine is a precursor of uridine and controls neuronal-glial glutamate cycling, affecting cerebral phospholipid metabolism, and catecholamine. It can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Labeled with 13C for isotopic studies
- Functions as a pyrimidine nucleoside
- Essential component of RNA
- Precursor to uridine
- Regulates neuronal-glial glutamate cycling
- Affects cerebral phospholipid metabolism
- Influences catecholamine levels
- Suitable for use as a tracer in analytical techniques
- Can be used as an internal standard for quantitative analysis
Medchemexpress LLC Ercalcidiol-d3 (25-hydroxy vitamin D2-d3) | 1217467-39-4 | MFCD11656527 | 99.9% | 415.67 | C28H41D3O2 | 10 MG
Ercalcidiol-d3 is the deuterium-labeled isotopologue of ercalcidiol (25-hydroxy vitamin D2), provided as a high-purity stable isotope standard for analytical and research applications. It is intended for use as a tracer or internal standard to enable accurate quantitation in studies of vitamin D metabolism and in clinical or research assays using spectrometric methods.
- Deuterium-labeled (d3) isotopologue for isotope-dilution quantitation.
- High purity suitable for analytical standards and reference use.
- Compatible with NMR, GC-MS, and LC-MS workflows.
- Serves as a tracer or internal standard in quantitative assays.
- Available in multiple pack sizes, including 10 mg.
Medchemexpress LLC Cinnamic acid-13C3 (3-Phenylacrylic acid-13C3) | 2734410-01-4 | 151.14 | 1 MG
Cinnamic acid-13C3 (3-Phenylacrylic acid-13C3) is a 13C labeled Cinnamic acid, with potential use in cancer intervention. It has shown IC50s of 1-4.5 mM in glioblastoma, melanoma, prostate, and lung carcinoma cells.
- 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 of hydrogen, carbon, and other elements into drug molecules as tracers for quantitation during drug development.
- Deuteration has potential to affect pharmacokinetic and metabolic profiles of drugs.
![Revvity Health Sciences Inc SDF-1α (human, recombinant), [<sup>125</sup>I]-, 5µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812841.jpg-250.jpg)
Revvity Health Sciences Inc SDF-1α (human, recombinant), [125I]-, 5µCi
SDF-1α (human, recombinant), [125I]-, 5µCi
Medchemexpress LLC Spermine-d20 | 71-44-3 | MFCD00008215 | 98.5% | 222.46 | C10H6D20N4 | 10 MG
Spermine-d20 is a deuterium-labeled isotopologue of the polyamine spermine intended for research use as an internal standard and tracer in quantitative analytical methods such as NMR, GC-MS, and LC-MS.
- Isotopic labeling: d20.
- Intended use: internal standard and tracer for quantitative analysis.
- Physical form: white to off-white solid.
- Purity: 98.5%.
- Molecular weight: 222.46.
- Chemical formula: C10H6D20N4.
- Storage: powder -20°C (up to 3 years); in solvent -80°C (up to 6 months), -20°C (up to 1 month).
- Quantity: 10 MG.
Medchemexpress LLC 1,2-distearoyl-sn-glycero-3-phosphocholine-d83 | 326495-40-3 | 873.66 g/mol | C44H5D83NO8P | 10 MG
DSPC-d83 is the deuterium-labeled form of 1,2-distearoyl-sn-glycero-3-phosphocholine used as a labeled lipid for tracer, internal standard, and lipid formulation research. Supplied as a white to off-white powder for research use only, it is commonly used in liposome and lipid nanoparticle studies and analytical methods such as NMR, GC-MS, and LC-MS.
- Perdeuterated labeling enables isotopic tracing and quantitative analysis.
- Suitable for liposome and lipid nanoparticle formulation studies.
- Provided as a powder for convenient storage and handling.
- Used as an internal standard for NMR, GC-MS, and LC-MS methods.
- Intended for research use only; follow the safety data sheet for handling and storage.