Isotopically Labeled Compounds
Medchemexpress LLC p-cresol sulfate-d4 potassium | 91978-69-7 | 230.32 | C7H3D4KO4S | 5 MG
p-Cresol sulfate-d4 potassium is a deuterium-labeled potassium salt of p-cresyl sulfate used as an analytical reference standard. It serves as an internal standard or tracer in mass spectrometry and metabolic studies where isotopic labeling improves quantitation and identification. The product is supplied as a small solid quantity suitable for laboratory analysis.
- Deuterated internal standard for mass spectrometry.
- Improves quantitation and peak identification in LC-MS/MS workflows.
- Supplied as a stable potassium salt for easy handling.
- Provided in small, laboratory-scale quantities for analytical use.
- Certificate of analysis available for purity and documentation.
Medchemexpress LLC Norquetiapine-d8 (N-desalkylquetiapine-d8) | 1189866-35-0 | 303.45 | C17H9D8N3S | 1 MG
Norquetiapine-d8 (N-desalkylquetiapine-d8) is a deuterium-labeled analogue of norquetiapine supplied for research use as an isotopically labeled internal standard or tracer in quantitative analytical methods. It is intended for use in pharmacological and analytical studies, including method development and validation.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS applications.
- Isotopic label: d8; useful as a tracer or internal standard.
- Chemical formula C17H9D8N3S; molecular weight 303.45.
- Available as a 1 mg vial; purity and storage per certificate of analysis.
Medchemexpress LLC Heptadecanoic acid | 506-12-7 | 270.45 | 250 MG
Heptadecanoic acid is an odd-chain saturated fatty acid (OCS-FA) that can inhibit cell proliferation and induce apoptosis, exhibiting antitumor activity. It is also associated with various diseases, including coronary heart disease, pre-diabetes, type 2 diabetes, and multiple sclerosis.
- Odd-chain saturated fatty acid
- Inhibits cell proliferation
- Induces apoptosis
- Exhibits antitumor activity
- Promotes apoptosis by activating the PI3K/Akt signaling pathway
- Increases cumulative intracolonic amount and accelerates rat colonic motility
![Revvity Health Sciences Inc Insulin (human, recombinant), [<sup>125</sup>I], 10 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812349.jpg-250.jpg)
Revvity Health Sciences Inc Insulin (human, recombinant), [125I], 10 µCi
Insulin (human, recombinant), [125I], 10 µCi
Medchemexpress LLC Flurbiprofen-d3 10mg | 1185133-81-6 | 10MG
Flurbiprofen-d3 is the deuterium labeled Flurbiprofen Flurbiprofen (dl-Flurbiprofen) is a potent orally active nonsteroidal anti-inflammatory agent (NSAIA/NSAID) with antipyretic and analgesic activities Flurbiprofen is commonly used for the research of inflammatory diseases including osteoarthritis and rheumatoid arthritis Flurbiprofen is a non-selective cyclooxygenase (COX) inhibitor that can be used for the research of colorectal cancer[1 [2 [3
Cayman Chemical NaphazolIn-d4hydrochlorIde 5mg
An internal standard for the quantification of naphazoline by GC- or LC-MS
Medchemexpress LLC Aspirin-d3 | 921943-73-9 | >99.8% | 183.18 | 1 ML
Aspirin-d3, also known as Acetylsalicylic acid-d3 or ASA-d3, is a deuterium-labeled form of Aspirin. This orally active compound acts as a potent and irreversible inhibitor of cyclooxygenase COX-1 and COX-2. It has been shown to induce apoptosis and inhibit the activation of NF-κB, offering potential in preventing coronary artery and cerebrovascular thrombosis.
- Deuterium labeled aspirin
- Potent and irreversible inhibitor of cyclooxygenase COX-1 and COX-2
- Induces apoptosis
- Inhibits activation of NF-κB
- May prevent coronary artery and cerebrovascular thrombosis
Medchemexpress LLC Metronidazole-d4 | 1261392-47-5 | 98.3% | 1 MG
Metronidazole-d4 is a deuterium-labeled Metronidazole, a nitroimidazole antibiotic medication used for anaerobic bacteria and protozoa. It is for research use only and not sold to patients. Deuteration has gained attention due to its potential to affect 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.
Medchemexpress LLC Tempol-d17,15N | 90429-66-6 | 98.4% | 190.34 g/mol | C9HD1715NO2 | 5 MG
Tempol-d17,15N is a deuterium- and nitrogen-15-labeled analogue of 4-hydroxy-TEMPO, a superoxide dismutase (SOD)-mimetic that neutralizes reactive oxygen species. The isotopic labels provide a predictable mass shift for tracer studies and analytical quantification, enabling mechanistic and mass spectrometry experiments at microgram scales.
- Isotopically labeled with deuterium (d17) and 15N for mass-shifted detection.
- Suitable for tracer and analytical mass spectrometry applications.
- High listed purity for reliable experimental results.
- Small, microgram-scale packaging ideal for analytical workflows.
- Applicable to studies of reactive oxygen species and SOD-mimetic activity.
![Revvity Health Sciences Inc N-succinimidyl-3-(4-hydroxy-3-[<sup>125</sup>I]iodophenyl)propionate, Bolton-Hunter Reagent, 250 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/NC3254100.jpg-250.jpg)
Revvity Health Sciences Inc N-succinimidyl-3-(4-hydroxy-3-[125I]iodophenyl)propionate, Bolton-Hunter Reagent, 250 µCi
N-succinimidyl-3-(4-hydroxy-3-[125I]iodophenyl)propionate, Bolton-Hunter Reagent, 250 µCi
Medchemexpress LLC Fenoterol-d6 hydrobromide | 1286129-04-1 | 98.0% | 5 MG
Fenoterol-d6 hydrobromide | 1286129-04-1 | 98.0% | 5 MG
Cayman Chemical TroglItazon-d4 1mg
An internal standard for the quantification of troglitazone by GC- or LC-MS
Entegris Inc Glycolithocholic acid | 474-74-8 | 433.6 g/mol | 50MG
Glycolithocholic acid | 474-74-8 | 433.6 g/mol | 50MG
American Radiolabeled Chemicals Inc SAM-METHYL-3H 1LC
Adenosyl-L-methionine, S-methyl-3H 1Lc in sulfuric acid (pH 2.0):ethanol (9:1), 1 mCi/ml, S.A. 55-85 Ci/mmol, M.W. 398.5, Shipped in Dry Ice, (SAM)