Isotopically Labeled Compounds
Medchemexpress LLC N-Carbamimidoyl-N-(methyl-d3)glycine-2,2-d2 hydrate | 99.9% | 154.18 g/mol | C4H6D5N3O3 | 10 MG
Creatine-d5 monohydrate is a deuterium-labeled isotopic standard of creatine monohydrate designed for research and analytical applications. It is used as an internal standard in mass spectrometry and other bioanalytical assays to improve quantitation accuracy and traceability in metabolic and pharmacokinetic studies.
- High isotopic enrichment for reliable mass-differentiation.
- High chemical purity (99.93%).
- Molecular formula: C4H6D5N3O3.
- Molecular weight: 154.18 g/mol.
- Provided with certificate of analysis and datasheet.
- Available in small pack sizes suitable for analytical use.
- Suitable as an internal standard for LC-MS applications.
![Revvity Health Sciences Inc Glucose, D- [U-<sup>14</sup>C]-](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502809554.jpg-250.jpg)
Medchemexpress LLC Isovaleric acid-13C | 87994-84-1 | 99.0% | 103.12 | 25 MG
Isovaleric acid-13C is the 13C labeled Isovaleric acid. Isovaleric acid is a natural fatty acid and is known to affect neonatal death and possible Jamaican vomiting sickness in humans.
- 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, largely as tracers for quantitation during the drug development process
- Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC 4-Methylimidazole-d6 | 1219804-79-1 | 98.3% | 88.14 | 25 MG
4-Methylimidazole-d6 is the deuterium labeled 4-Methylimidazole.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
American Radiolabeled Chemicals Inc 3H STANDARD C GL 10 SLIDE
Tritium Standards on Glass Slides, 10 slides, range: 0.1-15.9 nCi/mg
![Revvity Health Sciences Inc Thymidine, [Methyl-<sup>3</sup>H]-, Specific Activity: 70-90Ci (2.59-3.33TBq)/mmol,>97%, 1mCi (37MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810535.jpg-250.jpg)
Revvity Health Sciences Inc Thymidine, [Methyl-3H]-, Specific Activity: 70-90Ci (2.59-3.33TBq)/mmol,>97%, 1mCi (37MBq)
Thymidine, [Methyl-3H]-, Specific Activity: 70-90Ci (2.59-3.33TBq)/mmol,>97%, 1mCi (37MBq)
Medchemexpress LLC Flonicamid-15N,18O | 2483830-60-8 | >98.0% | 120 UG
Flonicamid-15N,18O is an isotopically labeled internal standard of the insecticide flonicamid, provided as a methanolic solution for analytical quantification by GC- or LC-MS.
- Isotopically labeled with 15N and 18O for mass spectrometry accuracy.
- Supplied as a solution containing 120 μg in 1.2 mL methanol.
- High purity for analytical use: >98.0%.
- Molecular weight 232.15 g/mol.
- Intended as an internal standard for pesticide residue analysis.
- Safety data sheet and documentation available.
Medchemexpress LLC Nonan-1-ol-d19 | 349553-86-2 | 98.0% | 163.37 | 25 MG
Nonan-1-ol-d19 is a deuterium-labeled Nonan-1-ol. Stable heavy isotopes of hydrogen, carbon, and other elements, such as deuterium, have been incorporated into drug molecules for use as tracers in drug development and to study their impact on pharmacokinetic and metabolic profiles.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Revvity Health Sciences Inc Iodine-125 Radionuclide, 20mCi, Specific Activity: ~17Ci/mg, 10-5M NaOH (pH 8-11)
Iodine-125 Radionuclide, 20mCi, Specific Activity: ~17Ci/mg, 10-5M NaOH (pH 8-11)
Revvity Health Sciences Inc Iodine-125 Radionuclide, 2mCi, Specific Activity: ~17Ci/mg, 0.1M NaOH (pH 12-14)
Iodine-125 Radionuclide, 2mCi, Specific Activity: ~17Ci/mg, 0.1M NaOH (pH 12-14)
Sigma Aldrich Fine Chemicals Biosciences 12 Dichloroethane d4 99 at5G
1 2-Dichloroethane-d4 is 1 2-dichloroethane with all the hydrogen atoms replaced by deuterium. Its synthesis and structure elucidation by neutron diffraction measurements has been reported.