Isotopically Labeled Compounds
Medchemexpress LLC Nortriptyline-d3 hydrochloride | 203784-52-5 | 99.7% | 1 MG
Nortriptyline-d3 (hydrochloride) is the deuterium labeled Nortriptyline hydrochloride. It is a tricyclic antidepressant and the main active metabolite of Amitriptyline, used to relieve the symptoms of depression. This compound can be used as a tracer or an internal standard for quantitative analysis.
- 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 of hydrogen, carbon, and other elements have been incorporated into drug molecules, primarily as tracers for quantitation during the drug development process.
- Deuteration has garnered attention due to its potential to affect the pharmacokinetic and metabolic profiles of drugs.
![Medchemexpress LLC Acetamide, N-[4-(ethoxy-d5)phenyl]- | 69323-74-6 | 99.5% | 50 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/default.jpg-250.jpg)
Medchemexpress LLC Acetamide, N-[4-(ethoxy-d5)phenyl]- | 69323-74-6 | 99.5% | 50 MG
Phenacetin-d5 is a deuterium-labeled form of Phenacetin, a non-opioid analgesic and antipyretic agent. It functions as a selective COX-3 inhibitor and is utilized as a probe for cytochrome P450 enzymes CYP1A2 in human liver microsomes and in rats.
- Deuterium-labeled Phenacetin
- Non-opioid analgesic and antipyretic
- Selective COX-3 inhibitor
- Used as a probe for cytochrome P450 enzymes CYP1A2
Medchemexpress LLC Mequinol-d4 (4-methoxyphenol-d4) | 126840-02-6 | 128.16 | C7H4D4O2 | 10 MG
Mequinol-d4 is the d4 isotopologue of 4-methoxyphenol supplied as a 10 mg powder for research use. It is intended as a stable isotope reference standard and analytical reagent for tracer studies, method development, and mass spectrometry applications. For research use only; not for human or clinical use.
- Deuterium-labeled reference standard for analytical applications.
- Suitable as an internal standard for mass spectrometry and tracer studies.
- Supplied as a 10 mg powder for laboratory use.
- Molecular weight 128.16; chemical formula C7H4D4O2.
- Recommended storage: powder -20°C; in solvent -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC (±)-Equol-d4 | 1216469-13-4 | MFCD34567407 | 99.9% | 246.29 g/mol | C15H10D4O3 | 5 MG
(±)-Equol-d4 is a deuterium-labeled analogue of (±)-equol supplied for research use as a stable isotope tracer and internal standard in quantitative and analytical assays. The compound is characterized by high isotopic and chemical purity and is provided in small lab-friendly pack sizes for analytical workflows.
- Deuterium-labeled internal standard for mass spectrometry and tracer studies.
- High purity (99.93%) suitable for analytical quantitation.
- Molecular formula C15H10D4O3; molecular weight 246.29 g/mol.
- Available in small pack sizes convenient for analytical workflows.
- Soluble in common organic solvents such as DMSO for sample preparation.
- Intended for research use only; not for human therapeutic use.
Medchemexpress LLC Serotonin-d4 | 58264-95-2 | MFCD21363848 | >99.35% | 5 MG
Serotonin-d4 is deuterium labeled Serotonin. Serotonin is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. It is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM.
- 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 Dimethyl succinate-d4 | 30994-23-1 | MFCD00190428 | 99.5% | 150.17 | C6H6D4O4 | 100mg
Dimethyl succinate-d4 is the deuterium labeled Dimethyl succinate[1]
Cayman Chemical ProstaglndIn D1-d4 50ug
An internal standard for the quantification of PGD1 by GC- or LC-MS.
Medchemexpress LLC Ethylmalonic acid-d5 | 66311-22-6 | 98.09% | 137.15 | 5 MG
Ethylmalonic acid-d5 | 66311-22-6 | 98.09% | 137.15 | 5 MG
Cambridge Isotope Laboratories ETHYL ACETOACETATE (2,4-13C2, 99%), 0.5 G, 77504-74-6
ETHYL ACETOACETATE (2,4-13C2, 99%), 0.5 G, 77504-74-6
Medchemexpress LLC Sulfamethoxazole-d4 | 1020719-86-1 | MFCD03425632 | 98.2% | 257.30 g/mol | C10H7D4N3O3S | 10 MG
Sulfamethoxazole-d4 is a deuterium-labeled analogue of the sulfonamide antibiotic sulfamethoxazole, supplied as a high-purity powder for analytical and tracer applications. Intended as an isotope-labeled internal standard for quantitative LC-MS and related studies; molecular formula C10H7D4N3O3S, molecular weight 257.30 g/mol, CAS 1020719-86-1.
- Deuterium-labeled internal standard for quantitative LC-MS analysis.
- High purity suitable for LC-MS and other analytical methods.
- Powder form for easy dissolution and aliquoting.
- Stable under recommended storage conditions for long-term use.
- Applicable to studies of bacterial folate metabolism and related assays.
Medchemexpress LLC Adenosine-d-1 | 119540-53-3 | >99.5% | 1 MG
Adenosine-d-1 is the deuterium labeled Adenosine. Adenosine (Adenine riboside), a ubiquitous endogenous autacoid, acts through the enrollment of four G protein-coupled receptors: A1, A2A, A2B, and A3. Adenosine affects almost all aspects of cellular phys.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC 3-Hydroxychrysene-d11 | 2468771-62-0 | C18HD11O | 1 MG
3-Hydroxychrysene-d11 is the deuterium labeled 3-Hydroxychrysene. It can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. The incorporation of stable heavy isotopes of hydrogen, carbon, and other elements into drug molecules serves as tracers for quantitation during drug development. Deuteration, in particular, has garnered attention for its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled 3-hydroxychrysene
- Used as a tracer
- Functions as an internal standard for quantitative analysis
- Suitable for NMR, GC-MS, or LC-MS applications
- Utilizes stable heavy isotopes for drug development quantitation
- Potential to influence pharmacokinetic and metabolic profiles
Medchemexpress LLC Malonyl CoA lithium | 108347-84-8 | 99.0% | C24H38N7O19P3S.xLi | 10MG
Malonyl CoA lithium is the lithium salt of malonyl coenzyme A used as a biochemical tool to modulate fatty acid metabolism. It functions as an inhibitor of carnitine palmitoyl transferase 1 (CPT1) and is provided for research applications with supporting documentation available.
- Inhibits carnitine palmitoyl transferase 1 (CPT1).
- Lithium salt of malonyl coenzyme A.
- Supplied in research-scale quantities (1 mg-100 mg).
- Purity 98.0-99.0% depending on batch.
- Molecular formula C24H38N7O19P3S·xLi.
- Data sheet and SDS available for handling and safety information.
Medchemexpress LLC Creatinine-d5 | 60-27-5 | 99.9% | 1 MG
Creatinine-d5 is the deuterium-labeled version of Creatinine. Creatinine is a breakdown product of creatine phosphate found in muscle, and the body typically produces it at a consistent rate. This compound is intended for research use only.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis through methods like NMR, GC-MS, or LC-MS
- Stable heavy isotopes can be incorporated into drug molecules for use as tracers in drug development for quantitation
- Deuteration is being explored for its potential to impact the pharmacokinetic and metabolic profiles of drugs
Cayman Chemical DarIfenacIn-d4 500ug
An internal standard for the quantification of darifenacin by GC- or LC-MS