Isotopically Labeled Compounds
American Radiolabeled Chemicals Inc MONOOLEIN-1-14C 50UC
Mono oleoyl-1-14C rac-glycerol 50uCi in toluene:ethanol (1:1), 0.1 mCi/ml, S.A. 50-60 mCi/mmol, M.W. 356.5, Shipped in Dry Ice, Exclusive, (Monoolein)
Medchemexpress LLC Maribavir-d6 TFA | 176161-24-3 | 496.30 | 1 MG
Maribavir-d6 TFA is a deuterium-labeled Maribavir, an orally active antiviral agent. It targets cytomegalovirus (CMV) by inhibiting protein kinase UL97, thereby preventing CMV DNA replication. This compound is suitable for various analytical techniques.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
![Revvity Health Sciences Inc EXPRE<sup>35</sup>S<sup>35</sup>S Protein Labeling Mix, [<sup>35</sup>S]-, 7mCi (259MBq), 50mM Tricine (pH 7.4), 10mM 2-mercaptoethanol](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810374.jpg-250.jpg)
Revvity Health Sciences Inc EXPRE35S35S Protein Labeling Mix, [35S]-, 7mCi (259MBq), 50mM Tricine (pH 7.4), 10mM 2-mercaptoethanol
EXPRE35S35S Protein Labeling Mix, [35S]-, 7mCi (259MBq), 50mM Tricine (pH 7.4), 10mM 2-mercaptoethanol
American Radiolabeled Chemicals Inc Pitavastatin CA-3H 50UC
Pitavastatin calcium-3H(G) 50uCi in ethanol:water (1:1), 1 mCi/ml, S.A. 1-5 Ci/mmol, M.W.880.98, Shipped in Dry Ice, Exclusive
Medchemexpress LLC Isobutyl 4-hydroxybenzoate-d4 | 1219805-33-0 | 98.5% | 198.25 g/mol | C11H10D4O3 | 10 MG
Isobutylparaben-d4 is the deuterium-labeled analogue of isobutylparaben used as an internal standard and analytical reference for LC-MS and related assays. It is provided as a solid at high purity for quantitative analysis and method development.
- Deuterium-labeled internal standard for analytical assays.
- High purity suitable for quantitative LC-MS applications.
- Available in small vial sizes for laboratory use.
- Stable isotope provides accurate quantification and traceability.
- Compatible with common organic solvents and sample preparation workflows.
Medchemexpress LLC 1-bromoheptane-d5 | 1219805-66-9 | 95.0% | 184.13 g·mol⁻¹ | C7H10D5Br | 25 MG
1-Bromoheptane-d5 (CAS 1219805-66-9) is the deuterium-labeled analogue of 1-bromoheptane supplied as a research reagent and reference standard. It is used in analytical chemistry, mass spectrometry, tracer studies, and synthetic chemistry where isotopic labeling enables accurate quantification and tracking.
- Deuterium-labeled (d5) to enable mass-differentiation in MS analyses.
- Suitable as an internal standard for quantitative assays.
- Liquid, ready for use in synthetic and analytical workflows.
- Molecular formula C7H10D5Br and molecular weight 184.13 g·mol⁻¹.
- Available in small pack sizes appropriate for research use.
Sigma Aldrich Fine Chemicals Biosciences Palmitic acid-d31 98 atom % D, 99% (CP) | 39756-30-4 | MFCD00053335 | 1G
Palmitic acid-d31 98 atom % D, 99% (CP) | Purity: 99% (CP) | Mol Wt: 287.62 | 39756-30-4 | MFCD00053335 | 1G
Sigma Aldrich Fine Chemicals Biosciences Methanol-d4 >=99.8 atom % D | 811-98-3 | MFCD00044637 | 25G
Methanol-d4 >=99.8 atom % D | Purity: >=99% (CP) | Mol Wt: 36.07 | 811-98-3 | MFCD00044637 | 25G
Medchemexpress LLC N-(phenylacetyl-d5)glycine | 1189920-31-7 | MFCD12022247 | ≥99.0% | 198.23 g/mol | C10H6D5NO3 | 1 MG
N-(Phenylacetyl-d5)glycine is the deuterium-labeled isotopologue of phenylacetylglycine supplied as an analytical standard for biochemical and metabolomics research. It is intended for use as an internal standard or tracer in mass spectrometry and quantitative isotope-enrichment studies, offering consistent performance due to high isotopic enrichment and purity.
- Deuterium-labeled internal standard for mass spectrometry.
- High purity (≥99.0%) for accurate quantitation.
- Suitable for metabolic tracing and isotope-enrichment studies.
- Available in small pack sizes for analytical workflows.
- Molecular formula C10H6D5NO3; molecular weight 198.23 g/mol.
Sigma Aldrich Fine Chemicals Biosciences Water-18O 10 atom % 18O | 14314-42-2 | MFCD00064503 | 1G
Water-18O 10 atom % 18O | Mol Wt: 20.02 | 14314-42-2 | MFCD00064503 | 1G
Medchemexpress LLC Sorafenib-13C,d3 | 1210608-86-8 | 98.4% | 468.84 g·mol⁻¹ | C2013CH13D3ClF3N4O3 | 1 MG
Sorafenib-13C,d3 is a stable isotope-labeled analogue of the multikinase inhibitor sorafenib, incorporating 13C and three deuterium atoms for use in analytical and tracer research. It is supplied as a high-purity research reagent for laboratory methods such as LC-MS quantitation and metabolic profiling; not for human or veterinary use.
- Stable isotope labeling (13C and d3) for tracer and mass spectrometry studies.
- High purity (98.4%) suitable for analytical applications.
- Molecular weight 468.84 g·mol⁻¹.
- Optimized for LC-MS quantitation and metabolic profiling.
- Available in small, research-scale quantities (e.g., 1 mg vials).
- For research use only; not intended for clinical use.
Sigma Aldrich Fine Chemicals Biosciences tert-Butanol-OD 99 atom % D | 3972-25-6 | MFCD00044421 | 5G
tert-Butanol-OD 99 atom % D | Purity: 99% (CP) | Mol Wt: 75.13 | 3972-25-6 | MFCD00044421 | 5G
Medchemexpress LLC Carazolol-d7 10mg | 1173021-02-7 | 10MG
Carazolol-d7 is the deuterium labeled Carazolol (HY-107327) Carazolol is a highly potent antagonist of 1/ 2 adrenoceptor Carazolol is also a potent selective 3-adrenoceptor agonist Carazolol can be used in the research of hypertension[1
Cayman Chemical LthreoSphingosine d18 1
An analog of D-erythro-sphingosine; inhibits PKC in mixed micelle assays with 50% inhibition at 2.2 mol % making it a more potent inhibitor compared to D-erythro-sphingosine or other analogs of shorter alkyl chain length
Medchemexpress LLC L-Theanine-d5 (L-Glutamic Acid γ-ethyl amide-d5) | 1217451-85-8 | C7H9D5N2O3 | 1 MG
L-Theanine-d5 is a deuterium-labeled version of L-Theanine, a non-protein amino acid found in green tea leaves. It operates by blocking the binding of L-glutamic acid to glutamate receptors in the brain, exhibiting neuroprotective and anti-oxidative activities. Oral intake can induce anti-stress effects by inhibiting cortical neuron excitation.
- Can be used as a tracer
- Serves as an internal standard for quantitative analysis
- Suitable for techniques such as NMR, GC-MS, or LC-MS
- Deuterium incorporation assists in quantitation during drug development