Isotopically Labeled Compounds
Medchemexpress LLC Ethyl cinnamate-d5 | 856765-68-9 | 181.24 g·mol⁻1 | C11H7D5O2 | 5mg
Ethyl cinnamate-d5 is the deuterium labeled Ethyl cinnamate[1] Ethyl cinnamate is a fragrance ingredient used in many fragrance compounds Ethyl cinnamate is a food flavor and additive for cosmetic products Ethyl cinnamate is also an excellent clearing reagent for mammalian tissues[2][3]
Medchemexpress LLC 2-mercaptoethanol-d6 | 203645-37-8 | 99.7% | 84.17 | C2D6OS | 50mg
2-Mercaptoethanol-d6 is deuterium labeled 2-Mercaptoethanol[1]
Medchemexpress LLC Etoxazole-d5 | 153233-91-1 | 98.0% | 364.44 g/mol | C21H18D5F2NO2 | 5 MG
Etoxazole-d5 is a deuterium-labeled research standard used as a tracer and as an internal standard for quantitative analyses by NMR, GC-MS, or LC-MS.
- Deuterium-labeled isotopologue used as a tracer or internal standard.
- Purity 98.0%.
- Molecular formula C21H18D5F2NO2; molecular weight 364.44 g/mol.
- White to off-white solid appearance.
- Storage: powder -20 °C (3 years) or 4 °C (2 years); in solvent -80 °C (6 months) or -20 °C (1 month).
- Available in small research sizes, including 5 mg.
Medchemexpress LLC Benzotriazole BT-d10 | 457.63 | C30H19D10N3O | 1mg
Benzotriazole BT-d10 is the deuterium labeled UV-234 (HY-137030)
Medchemexpress LLC Ethylene glycol-d4 (1,2-ethanediol-d4) | 2219-51-4 | MFCD00144289 | 99.8% | 66.09 g/mol | C2H2D4O2 | 500mg
Ethylene glycol-d4 is the deuterium labeled Ethylene glycol[1]
Medchemexpress LLC (R,S)-cotinine-d3 N-oxide | 1215561-37-7 | MFCD07369259 | >98.0% | 195.23 g·mol⁻1 | C10H9D3N2O2 | 5mg
(R S)-Cotinine-d3 N-Oxide is the deuterium labeled (R S)-Cotinine N-Oxide
Medchemexpress LLC 4-Butylaniline-d9 | 1219794-78-1 | 97.2% | 158.29 g/mol | C10H6D9N | 25mg
4-Butylaniline-d9 is the deuterium labeled 4-Butylaniline[1]
Medchemexpress LLC Sucrose-13C | 99.5% | 343.29 g·mol⁻1 | C1113CH22O11 | 1mg
Sucrose-13C is 13C labeled Sucrose Sucrose (D-( )-Saccharose) is a disaccharide which is composed of two monosaccharides glucose and fructose Sucrose can be applied in some animal models including metabolic disease obesity diet on preference and diabetes et al[1]
Medchemexpress LLC D-leucine-d10 | 271247-12-2 | MFCD01321412 | 99.8% | 141.23 | C6H3D10NO2 | 10mg
D-Leucine-d10 is the deuterium labeled D-Leucine D-Leucine is a more potent anti-seizure agent than L-leucine D-leucine potently terminates seizures even after the onset of seizure activity D-leucine but not L-leucine reduces long-term potentiation but had no effect on basal synaptic transmission in vitro[1]
![Medchemexpress LLC Thymidine-1',2',3',4',5'-13C5 | 156968-81-9 | MFCD08459922 | 99.9% | 247.19 | C10H14N2O5 ([13C]5) | 1mg](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000270222.png-250.jpg)
Medchemexpress LLC Thymidine-1',2',3',4',5'-13C5 | 156968-81-9 | MFCD08459922 | 99.9% | 247.19 | C10H14N2O5 ([13C]5) | 1mg
Thymidine-13C5 (DThyd-13C5 NSC 21548-13C5) is 13C-labeled Thymidine (HY-N1150)[1]
Medchemexpress LLC Acetic acid-1-13C | 1563-79-7 | MFCD00037366 | 100.0% | 61.04 | CH313CO2H | 5g
Acetic acid-1-13C is 13C labeled Acetic acid-1
Medchemexpress LLC (R)-praziquantel-d11 | 1399880-38-6 | MFCD00005008 | 99.6% | 322.45 g/mol | C19H13D11N2O2 | 10MG
(R)-Praziquantel-d11 is the deuterium-labeled active enantiomer of praziquantel supplied as a white to off-white solid for research use only. It is intended as an internal standard and tracer for analytical, pharmacokinetic, and metabolic studies, especially in mass spectrometry workflows. Store as a powder at -20°C and handle according to laboratory safety protocols.
- Deuterium-labeled active enantiomer for tracer and internal standard use.
- High chemical purity (>99.5%).
- Suitable for mass spectrometry and pharmacokinetic studies.
- Provided as a solid with specified storage conditions (powder: -20°C).
- Available in small research quantities (1 mg, 5 mg, 10 mg).
Medchemexpress LLC 2-mercaptoethanol-d6 | 203645-37-8 | 99.7% | 84.17 g/mol | C2D6OS | 5mg
2-Mercaptoethanol-d6 is deuterium labeled 2-Mercaptoethanol[1]
Medchemexpress LLC Nicardipine-d3 hydrochloride | 1432061-50-1 | MFCD30747912 | 99.7% | 519.00 | C26H27D3ClN3O6 | 1MG
Nicardipine-d3 hydrochloride is the trideuterated hydrochloride salt of nicardipine provided as a research-grade isotopically labeled reference standard for analytical chemistry and mass spectrometry applications. It is intended for use as an internal standard in LC-MS method development, quantitation, and related laboratory studies. For research use only.
- Deuterium-labeled analogue suitable as an internal standard.
- High isotopic enrichment to improve mass-spectrometry accuracy.
- High chemical purity appropriate for analytical workflows.
- Hydrochloride salt form for improved stability and handling.
- Available in milligram quantities for trace-level standard preparation.
Apexbio Technology LLC Deoxycholic acid sodium salt 302-95-4 100mg
Deoxycholic acid sodium salt (CAS 302-95-4) is a bile acid derivative that functions as an endogenous ligand for the G protein-coupled bile acid receptor TGR5 Through activation of TGR5 it modulates intracellular signaling pathways and enzymatic activities thereby influencing diverse cellular processes This compound is widely utilized in biomedical research to investigate bile acid-mediated signaling mechanisms and their involvement in physiological and pathological conditions particularly those related to metabolic regulation and gastrointestinal diseases