Isotopically Labeled Compounds
Medchemexpress LLC Dimetridazole-d3 (1,2-Dimethyl-5-nitroimidazole-d3) | 64678-69-9 | 99.8% | 1 MG
Dimetridazole-d3 (1,2-Dimethyl-5-nitroimidazole-d3) is a deuterium-labeled version of Dimetridazole, a nitroimidazole antibiotic that inhibits protein synthesis in Campylobacter jejuni cultures and has genotoxic properties. This compound is suitable for research on protozoal and bacterial infections.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration can influence the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Pirfenidone-d5 | 1020719-62-3 | MFCD07369537 | 98.9% | 190.25 g/mol | C12H6D5NO | 10 MG
Pirfenidone-d5 is the deuterium-labeled isotopologue of pirfenidone used as an analytical reference and internal standard in quantitative mass spectrometry and pharmacokinetic studies. It provides a chemically similar labeled compound for accurate quantitation of pirfenidone in biological and biochemical assays.
- Deuterium-labeled internal standard for LC-MS/MS assays
- High purity (~98.9%) suitable for analytical use
- Molecular weight 190.25 g/mol; formula C12H6D5NO
- Available as a 10 mg vial for laboratory use
- Suitable for pharmacokinetic and metabolic studies
Cambridge Isotope Laboratories 1 2 4-Trichlorobenzene (D3 98%) 5 g
1 2 4-Trichlorobenzene (D3 98%) 5 g
Medchemexpress LLC Fmoc-Gly-OH-13C2,15N | 285978-13-4 | 99.6% | 300.28 | C15(13C2)H15(15N)NO4 | 5mg
Fmoc-Gly-OH-13C2 15N (Fmoc glycine-13C2 15N) is a 15N-labeled and 13C-labled Fmoc-Gly-OH (HY-Y1250) Fmoc-Gly-OH (Fmoc glycine) is a Fmoc-protected glycine derivative can be used for the synthesis of compounds[1]
![Revvity Health Sciences Inc CTP, [α-<sup>32</sup>P]- 3000Ci/mmol 10mCi/ml EasyTide, 250 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502809224.jpg-250.jpg)
Revvity Health Sciences Inc CTP, [α-32P]- 3000Ci/mmol 10mCi/ml EasyTide, 250 µCi
CTP, [α-32P]- 3000Ci/mmol 10mCi/ml EasyTide, 250 µCi
Medchemexpress LLC D-ribose-13C | 70849-24-0 | MFCD00064325 | 99.9% | 151.12 g·mol⁻¹ | C4(13C)H10O5 | 10 MG
D-Ribose-13C is a carbon-13 labeled D-ribose supplied as a high-purity stable isotope tracer for metabolic tracing, isotopic labeling, and metabolomics/proteomics research. It is provided as a white to off-white solid (CAS 70849-24-0), with molecular formula C4(13C)H10O5 and molecular weight 151.12 g·mol⁻1.
- High chemical purity (99.93%).
- Single-site 13C labeling for precise tracing studies.
- Suitable for metabolic flux analysis and nucleotide and ribonucleoside labeling.
- Provided as a solid for easy storage and handling.
- Available in small research pack sizes for labeling experiments.
Medchemexpress LLC 1-Bromododecane-d25 | 204259-66-5 | 99.85% | 274.38 | 5 MG
1-Bromododecane-d25 is the deuterium labeled 1-Bromododecane. It is intended for research use only, and the company does not sell to patients. This compound can be used as a tracer and 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 is noted for its potential to impact the pharmacokinetic and metabolic profiles of drugs.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Cayman Chemical Cytosine-13C,15N2, Purity: ≥98%, CAS: 181517-10-2, 10 mg
An internal standard for the quantification of cytosine by GC- or LC-MS
Medchemexpress LLC D-Xylulose-1-13C | 131771-46-5 | 99.2% | 151.12 | 10 MG
D-Xylulose-1-13C is a 13C labeled form of D-Xylulose, which serves as a precursor to the pentiol D-arabi. Stable heavy isotopes, such as those of hydrogen, carbon, and other elements, are frequently integrated into drug molecules to act as tracers for quantitative analysis during drug development. Deuteration, in particular, has garnered attention due to its potential to influence the pharmacokinetic and metabolic profiles of drugs.
- Can be utilized as a tracer.
- Suitable for use as an internal standard for quantitative analysis.
- Supports analysis by techniques such as NMR, GC-MS, or LC-MS.
- Incorporates stable heavy isotopes.
Cayman Chemical L-Alanine-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 63546-27-0, 500 mg
An internal standard for the quantification of L-alanine by GC- or LC-MS
Cambridge Isotope Laboratories Nitrogen (15N2 98%) (breakseal flask) 0 25 L
Nitrogen (15N2 98%) (breakseal flask) 0 25 L
Medchemexpress LLC 4-bromoaniline-d4 | 61357-76-4 | 99.9% | 176.05 | C6H2D4BrN | 5g
4-Bromoaniline-d4 is a deuterium labeled 4-Bromoaniline
Medchemexpress LLC (±)14(15)-DiHET-d11 | 98050-20-5 | 95.0% | C20H23D11O4 | 25 UG
(±)14,15-DiHETrE-d11 is the deuterium labeled metabolite of (±)14(15)-EET, formed by epoxide hydrolases. This compound is for research use only and not sold to patients. Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer or internal standard
- Suitable for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Necrosulfonamide-d4 | 1795144-22-7 | 99.3% | 465.50 g/mol | C18H11D4N5O6S2 | 1 MG
Necrosulfonamide-d4 is the deuterium-labeled isotopologue of necrosulfonamide supplied for research use. It is intended for use as a mass spectrometry internal standard and in biochemical or cell-based studies that probe necroptosis and pyroptosis pathways involving MLKL and Gasdermin D. The compound is provided as a characterized, high-purity research reagent for analytical and biological workflows.
- Deuterium-labeled isotopologue suitable for mass spectrometry internal standard use.
- Used to study MLKL- and Gasdermin D-mediated necroptosis and pyroptosis pathways.
- High purity for reliable analytical and biochemical results.
- Supplied in milligram-scale quantities for analytical and experimental workflows.
- Molecular weight 465.50 g/mol; formula C18H11D4N5O6S2.