Isotopically Labeled Compounds
Cayman Chemical ClofIbrIc AcId-d4 1mg
An internal standard for the quantification of clofibric acid by GC- or LC-MS
Medchemexpress LLC 8-hydroxy-5-nitroquinoline-d4 | 4008-48-4 | MFCD00006791 | 194.18 | C9H2D4N2O3 | 10 MG
Nitroxoline-d4 (8-hydroxy-5-nitroquinoline-d4) is the deuterated isotopologue of nitroxoline provided as a reference standard for research and analytical applications. It is used as an internal standard in mass spectrometry and in studies of nitroxoline's antibiofilm and metal-chelating activity.
- Deuterated internal standard for analytical assays
- Suitable for mass spectrometry quantitation and method development
- Supports antibiofilm and antimicrobial research applications
- High isotopic labeling minimizes overlap with native analyte
- Molecular formula C9H2D4N2O3, molecular weight 194.18
Medchemexpress LLC 2-aminofluorene-d11 | 347841-44-5 | 99.0% | 192.3 g/mol | C13D11N | 10 MG
2-Aminofluorene-d11 is the deuterium-labeled analogue of 2-aminofluorene used as an isotopically labeled internal standard and tracer in analytical and research workflows. It has chemical formula C13D11N, molecular weight 192.3 g/mol, and is associated with CAS number 347841-44-5.
- Deuterium-labeled (d11) for accurate isotope-dilution quantitation.
- High chemical purity (99.0% by HPLC) for analytical reliability.
- High isotopic enrichment (~98% D) to ensure a clear mass shift in MS analyses.
- Available in small milligram quantities suitable for method development and internal standard use.
- Suitable for LC-MS/MS, isotope-dilution assays, and tracer studies.
Medchemexpress LLC Amiodarone-d10 hydrochloride | 1261393-77-4 | MFCD25976575 | 98.8% | 691.83 | C25H20D10ClI2NO3 | 5 MG
Amiodarone-d10 hydrochloride is a deuterium-labeled analogue of the antiarrhythmic compound amiodarone, provided as the hydrochloride salt and intended for research use as a stable isotope reference standard and analytical internal standard for LC-MS applications.
- Deuterium-labeled (d10) for use as a stable isotope internal standard.
- Hydrochloride salt supplied as a solid for convenient handling and storage.
- High purity: 98.8% by analysis, suitable for quantitative assays.
- Molecular weight ~691.83 Da, molecular formula C25H20D10ClI2NO3.
- Available in small research-scale quantities for analytical method development.
Cambridge Isotope Laboratories 4-Chlorophenol (unlabeled) 100 ug/mL in nonane 1 2 mL
4-Chlorophenol (unlabeled) 100 ug/mL in nonane 1 2 mL
![Revvity Health Sciences Inc EXPRE<sup>35</sup>S<sup>35</sup>S Protein Labeling Mix, [<sup>35</sup>S]-, 14mCi (518MBq), 50mM Tricine (pH 7.4), 10mM 2-mercaptoethanol](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810664.jpg-250.jpg)
Revvity Health Sciences Inc EXPRE35S35S Protein Labeling Mix, [35S]-, 14mCi (518MBq), 50mM Tricine (pH 7.4), 10mM 2-mercaptoethanol
EXPRE35S35S Protein Labeling Mix, [35S]-, 14mCi (518MBq), 50mM Tricine (pH 7.4), 10mM 2-mercaptoethanol
Medchemexpress LLC Indole-d7 | 73509-20-3 | 124.19 | 5 MG
Indole-d7 is the deuterium labeled Indole, an endogenous metabolite. It serves as a valuable tool for quantitative analysis in various spectroscopic methods, including NMR, GC-MS, and LC-MS. The deuteration of Indole-d7 holds significance due to its potential influence on the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled compound
- Endogenous metabolite
- Suitable for tracer applications
- Internal standard for quantitative analysis
- Used in NMR, GC-MS, and LC-MS
- Potential for pharmacokinetic and metabolic studies
Cayman Chemical OlaparIb-d4 1mg
An internal standard for the quantification of olaparib by GC- or LC-MS
Medchemexpress LLC (S)-Viloxazine-d5 (hydrochloride) | 1246816-39-6 | 98.2% | 278.79 g/mol | C13H15D5ClNO3 | 5MG
(S)-Viloxazine-d5 (hydrochloride) is the deuterium-labeled form of (S)-viloxazine supplied as a hydrochloride salt for research use only. It is intended as an isotopically labeled standard or tracer for analytical, pharmacokinetic, and mass spectrometry applications.
- Deuterium-labeled (d5) hydrochloride salt.
- Intended for use as an isotopically labeled internal standard or tracer.
- High reported purity (~98.2%).
- Molecular weight ~278.79 g/mol.
- Soluble in DMSO for analytical preparation.
- Supplied in milligram-scale quantities suitable for analytical workflows.
Cayman Chemical LaurIc AcId-13C 500mg
An internal standard for the quantification of lauric acid by GC- or LC-MS
Cambridge Isotope Laboratories Pentachlorobenzene (unlabeled) 100 ug/mL in isooctane 1 2 mL
Pentachlorobenzene (unlabeled) 100 ug/mL in isooctane 1 2 mL
Medchemexpress LLC L-Asparagine-15N2 hydrate | 287484-32-6 | 152.12 | 50 MG
L-Asparagine-15N2 monohydrate is the 15N-labeled L-Asparagine monohydrate. It is an essential amino acid for leukemic cells and a substrate for L-Asparaginase, a potent anti-leukemic enzyme. L-Asparaginase promotes asparagine and glutamine depletion, inhibiting protein biosynthesis in lymphoblasts, leading to inhibition of RNA and DNA synthesis and subsequent apoptosis. This compound can be used as a tracer or as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Used as a tracer
- Used as an internal standard for quantitative analysis
- Suitable for NMR, GC-MS, or LC-MS applications
Cayman Chemical RaltegravIr-d4 1mg
An internal standard for the quantification of raltegravir by GC- or LC-MS