Isotopically Labeled Compounds
Cambridge Isotope Laboratories 0.02% (W/V) Tmsp (2,2,3,3-D4, 98%) In D2O (D, 99.9%), 10 X 1 Ml
This item has a minimum order quantity of 3 per supplier requirements
0.02% (W/V) Tmsp (2,2,3,3-D4, 98%) In D2O (D, 99.9%), 10 X 1 Ml
Cayman Chemical Irbesartn-d4 500ug
An internal standard for the quantification of irbesartan by GC- or LC-MS
Medchemexpress LLC L-asparagine-15N2 monohydrate | 287484-32-6 | MFCD01073515 | 98.0% | 152.12 | C4H10(15N)2O4 | 10 MG
L-Asparagine-15N2 monohydrate is the 15N2-isotope labeled form of the amino acid L-asparagine supplied as a monohydrate. It is intended for use as an internal standard or labeled reagent in mass spectrometry, metabolomics, and tracer studies; reported molecular weight is 152.12 and CAS number is 287484-32-6.
- Isotope-labeled (15N2) amino acid for internal standard use.
- Monohydrate form, supplied as a solid suitable for dissolution or storage under inert atmosphere.
- High purity (98.0% by NMR) for analytical applications.
- Suitable for mass spectrometry, metabolomics, and tracer studies.
- Store solid at 4°C, protect from light, and store under nitrogen.
Medchemexpress LLC Chlorhexidine-d8 dihydrochloride | 2012598-75-1 | 95.7% | 1 MG
Chlorhexidine-d8 dihydrochloride is a deuterium labeled form of Chlorhexidine dihydrochloride, an orally active cationic antimicrobial agent. It targets microbial cell membranes, binding to phospholipids non-specifically to destroy membrane structure and induce leakage of cell contents. It exhibits broad-spectrum bactericidal activity against both Gram-positive and Gram-negative bacteria by interfering with membrane permeability, causing protein precipitation, and disrupting energy metabolism. This leads to rapid inhibition of microbial growth and induction of cell death.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Adenosine-d-1 (adenine riboside-d1) | 119540-53-3 | 99.5% | 268.25 g/mol | C10H12DN5O4 | 10 MG
Adenosine-d-1 is a deuterium-labeled analog of adenosine used as a stable isotope tracer in biochemical and pharmacological research. It is supplied as a high-purity solid suitable for analytical applications, including mass spectrometry, metabolic tracing, and method validation.
- High isotopic purity for accurate tracer studies.
- Suitable for mass spectrometry and analytical workflows.
- Supplied as a quantified small-scale solid for controlled experiments.
- Stable under recommended storage conditions.
- Applicable to metabolic tracing and pharmacokinetic studies.
Medchemexpress LLC Glyphosate-d2-1 | 1071-83-6 | MFCD00055350 | 99.9% | 171.09 | C3H6D2NO5P | 10 MG
Glyphosate-d2-1 is a deuterium-labeled analytical standard of glyphosate supplied in milligram quantities for use in analytical and research applications. It is intended as an isotopically labeled internal standard to improve quantitation and identification in mass spectrometry and other analytical methods.
- Deuterium-labeled glyphosate for use as an internal standard.
- Supplied in milligram-scale quantity suitable for analytical workflows.
- High listed purity for trace-level quantitation.
- Accompanied by datasheet, certificate of analysis, and spectral reports.
- Suitable for LC-MS/MS method development and validation.
Medchemexpress LLC Acetylcholine-d4 (bromide) | 93449-31-1 | 98.0% | 10 MG
Acetylcholine-d4 (bromide) is the deuterium-labeled analogue of acetylcholine bromide supplied for research and analytical use. It serves as an isotopically labeled tracer and internal standard for quantitative assays and is provided as a high-purity solid suitable for spectroscopic and mass-spectrometric workflows.
- isotopically labeled internal standard for quantitative analysis
- compatible with NMR, GC-MS, and LC-MS workflows
- high chemical purity (98.0%) for reliable quantitation
- solid, white to off-white appearance for ease of handling
- stable when stored sealed and protected from moisture; in solvent: -80°C (up to 6 months) or -20°C (up to 1 month)
- intended for research use only
Medchemexpress LLC Ranolazine-d3 | 1054624-77-9 | MFCD00864690 | 99.5% | 430.56 | C24H30D3N3O4 | 10 MG
Deuterium-labeled ranolazine (d3) for research use as an analytical tracer and internal standard. The compound inhibits the late inward sodium current (INa) and the rapid delayed rectifier potassium current (IKr), and acts as a partial fatty acid oxidation inhibitor; it is intended for method development and quantitative analysis by NMR, GC-MS, and LC-MS.
- Deuterium-labeled tracer suitable for quantitation and metabolic studies.
- Purity 99.5%.
- Molecular formula C24H30D3N3O4; molecular weight 430.56.
- Soluble ≥100 mg/mL in DMSO for in vitro applications.
- Recommended storage: powder at -20°C (3 years) or 4°C (2 years); in solvent at -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC Adenosine-d2 | 82741-17-1 | 99.6% | 1 ML
Adenosine-d2 is the deuterium labeled Adenosine. Adenosine, a ubiquitous endogenous autacoid, acts through the enrollment of four G protein-coupled receptors (A1, A2A, A2B, A3) and affects almost all aspects of cellular physiology.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Isotope-labeled compound
- Deuterium stable isotope-labeled inhibitor for in vivo cell experiments
- Relevant for therapeutic drug monitoring (TDM)
Medchemexpress LLC Riluzole-13C,15N2 | 1215552-03-6 | 99.9% | 1 MG
Riluzole-13C,15N2 is the 13C and 15N labeled Riluzole. It is an anticonvulsant agent and belongs to the family of use-dependent Na+ channel blockers, inhibiting GABA uptake with an IC50 of 43 μM. This product is for research use only.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Orlistat-d3 | 1356930-46-5 | 1 MG
Orlistat-d3 is a deuterated form of Orlistat, an irreversible inhibitor of pancreatic and gastric lipases and fatty acid synthase (FASN). It is employed in long-term research for obesity due to its anti-atherosclerotic effects, and can also be used as a tracer and internal standard for quantitative analysis.
- Used as a tracer in drug development.
- Functions as an internal standard for quantitative analysis, including by NMR, GC-MS, or LC-MS.
- Deuteration can influence pharmacokinetic and metabolic profiles of drugs.
- Demonstrates anti-atherosclerotic effects.
- Shown to downregulate a repair protein in specific human cell lines during in vitro studies.
- Exhibits improved lipid profiles and increased antioxidant enzymes in in vivo studies.
Medchemexpress LLC S-Mirtazapine-d3 | 61337-87-9 | 99.0% | 1 MG
(S)-Mirtazapine-d3 is a deuterium labeled (S)-Mirtazapine, which is an S(+)-enantiomer of Mirtazapine. It exhibits pronociceptive properties in an animal model of acute thermal nociception and acts as a stereoselective 5-HT2 receptor antagonist. This compound is metabolized by CYP2D6 and CYP1A2.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stereoselective 5-HT2 receptor antagonist.
- Metabolized by CYP2D6 and CYP1A2.
Medchemexpress LLC D-Fructose-d | 374089-83-5 | 1 MG
D-Fructose-d is the deuterium labeled D-Fructose. D-Fructose (D(-)-Fructose) is a naturally occurring monosaccharide found in many plants.
- Metabolism-protein/nucleotide metabolism
Medchemexpress LLC Ethylparaben-d4 | 1219795-53-5 | MFCD16039539 | 99.6% | 1 MG
Ethylparaben-d4 is a deuterium-labeled Ethylparaben. It functions as a tracer and internal standard for quantitative analysis, primarily in drug development processes. The incorporation of stable heavy isotopes, such as deuterium, can influence the pharmacokinetic and metabolic profiles of drug molecules.
- Used as a tracer
- Functions as an internal standard for quantitative analysis (NMR, GC-MS, LC-MS)
- Contains stable heavy isotopes
- Deuteration may affect pharmacokinetic and metabolic profiles
Medchemexpress LLC Alverine-d5 citrate | 1215327-00-6 | 98.5% | 5 MG
Alverine-d5 (citrate) is the deuterium labeled Alverine citrate. Deuteration has the potential to influence the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Stable heavy isotopes are incorporated into drug molecules for quantitation during drug development