Isotopically Labeled Compounds
![Revvity Health Sciences Inc Angiotensin II, [<sup>125</sup>I]-Sar1, Ile8], 50µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502811049.jpg-250.jpg)
Revvity Health Sciences Inc Angiotensin II, [125I]-Sar1, Ile8], 50µCi
Angiotensin II, [125I]-Sar1, Ile8], 50µCi
Medchemexpress LLC Rac-atomoxetine-d5 hydrochloride | 1398065-95-6 | MFCD04972577 | 99.0% | 296.85 | C17H17D5ClNO | 1 MG
(Rac)-Atomoxetine-d5 hydrochloride is the deuterium-labeled form of atomoxetine hydrochloride provided for research and analytical use. It serves as an isotopically labeled internal standard or tracer for quantitative assays, particularly mass spectrometry, and is supplied as the hydrochloride salt with molecular weight 296.85 and formula C17H17D5ClNO.
- Deuterium-labeled internal standard for quantitative mass spectrometry.
- Hydrochloride salt form suitable for analytical workflows.
- High chemical purity (99.0%).
- Supplied in small, accurately weighed quantities for trace analysis.
- Suitable as tracer and internal standard for LC-MS/MS and GC-MS assays.
![Revvity Health Sciences Inc Mannitol, D-[1-<sup>3</sup>H(N)]-, 1mCi (37MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812727.jpg-250.jpg)
Revvity Health Sciences Inc Mannitol, D-[1-3H(N)]-, 1mCi (37MBq)
Mannitol, D-[1-3H(N)]-, 1mCi (37MBq)
Cayman Chemical Moxifloxacin-d4 hydrochlorid
An internal standard for the quantification of moxifloxacin by GC- or LC-MS
Medchemexpress LLC Oseltamivir-d5 | 1093851-63-8 | 98.5% | 317.44 g/mol | C16H23D5N2O4 | 5 MG
Oseltamivir-d5 is the deuterium-labeled analogue of oseltamivir supplied as a solid powder and used as an analytical reference and internal standard in mass spectrometry and pharmacokinetic studies. Molecular formula C16H23D5N2O4, molecular weight 317.44 g/mol, CAS 1093851-63-8. Typical packaging is a 5 mg vial and reported purity is ~98.49%.
- Deuterium-labeled internal standard for mass spectrometry and quantitative analysis.
- High chemical purity (~98.5%) suitable for analytical use.
- Solid powder form, facilitating accurate weighing and solution preparation.
- Useful for pharmacokinetic and bioanalytical studies to distinguish analyte by mass.
- Molecular weight 317.44 g/mol and formula C16H23D5N2O4 for reference.
Medchemexpress LLC Lactyl-CoA | 1926-57-4 | 98.01% | C24H40N7O18P3S | 25 MG
Lactyl-CoA is an acyl-CoA formed by the condensation of the sulfhydryl group of CoA and the carboxyl group of lactic acid. It is crucial for the biosynthesis of biodegradable and biocompatible lactic acid-based copolymers. GTPSCS can also function as Lactyl-CoA synthetase, converting lactic acid into Lactyl-CoA to provide substrate for histone lactation.
Medchemexpress LLC N-(3-((1R)-1-((6R)-4-Hydroxy-2-oxo-6-((1R)-2-(phenyl-d5)ethyl-1,2-d2)-6-propyl-5,6-dihydro-2H-pyran- | 174484-41-4 | 98.9% | 609.71 g/mol | C31H26D7F3N2O5S | 10 MG
Tipranavir-d7 is a deuterium-labeled isotopologue of an HIV-1 protease inhibitor provided as a high-purity research standard for analytical and tracer studies. It is intended for use as an internal standard in LC-MS, pharmacokinetic experiments, and method development where isotopic labeling improves quantitation and compound tracking.
- Deuterated (d7) isotopic label suitable for tracer and internal standard use.
- High isotopic enrichment for improved mass discrimination.
- High purity: 98.9% (HPLC).
- Molecular weight 609.71 g/mol and formula C31H26D7F3N2O5S.
- Supplied as a small mass (10 MG) solid for analytical workflows.
- Appropriate for LC-MS method development and quantitative studies.
Cayman Chemical StearIc AcId-d4 10mg
An internal standard for the quantification of stearicacid by GC- or LC-MS
Medchemexpress LLC Glycerol-d8 | 7325-17-9 | MFCD00084149 | 98.3% | 100.14 g/mol | C3D8O3 | 100 MG
Glycerol-d8 is the deuterium-labeled form of glycerol (C3D8O3) intended for research use as an internal standard and tracer in analytical chemistry. It is supplied with high isotopic enrichment and a stated purity for quantitative analyses by spectrometric and chromatographic techniques.
- Deuterium-labeled glycerol suitable as an internal standard.
- High isotopic enrichment (d8) for clear mass and spectral separation.
- Purity: 98.3%.
- Molecular weight: 100.14 g/mol.
- Common applications: quantitative analysis by NMR, GC-MS, and LC-MS.
- For research use only; not for therapeutic or clinical use.
Medchemexpress LLC Lactate-d3 sodium | 1219802-24-0 | MFCD29050090 | 98.0% | 115.08 g/mol | C3H2D3NaO3 | 10 MG
Lactate-d3 sodium is the deuterium-labeled sodium salt of DL-lactic acid supplied as a 60% w/w aqueous solution for use as an isotopically labeled reagent in analytical and metabolic studies.
- Supplied as a 60% w/w aqueous solution suitable for stock and dilution.
- Deuterium-labeled (d3) sodium salt for isotopic tracing and mass spectrometry applications.
- High purity: 98.0%.
- Molecular weight approximately 115.08 g/mol and formula C3H2D3NaO3.
- Provided in a small 10 mg quantity for analytical use and method development.
Medchemexpress LLC Acetic acid-1-13C | 1563-79-7 | MFCD00037366 | 100.0% | 61.04 | CH313CO2H | 5g
Acetic acid-1-13C is 13C labeled Acetic acid-1
Medchemexpress LLC Nifursol-15N2,d2 | 1246833-64-6 | 369.21 g/mol | C12H5D2N3^15N2O9 | 1mg
Nifursol-15N2 d2 is the deuterium and 15N-labeled Nifursol (HY-B1703) Nifursol is an orally active veterinary antibiotic Nifursol inhibits Histomonas meleagridis Nifursol prevents histomoniasis in turkeys Nifursol is widely used in studies of Escherichia coli gastroenteritis in Salmonella-infected poultry and aquatic animals[1][2][3]
Medchemexpress LLC Adenosine-d1 | 109923-50-4 | 99.7% | 268.25 g/mol | C10H12DN5O4 | 10 MG
Deuterium-labeled adenosine used as a tracer or internal standard for quantitative analytical methods such as LC-MS, GC-MS, and NMR. Supplied as a white to off-white solid with high purity and specified storage conditions to maintain stability.
- Deuterium-labeled adenosine for tracer and internal standard use.
- High purity (99.7%) suitable for analytical applications.
- Soluble in DMSO with ultrasonic warming; compatible with LC-MS, GC-MS, and NMR.
- Powder stability: up to 3 years at -20°C; follow solvent storage guidelines for solutions.
Medchemexpress LLC Meglutol-d3 (dicrotalic acid-d3) | 59060-36-5 | MFCD01074174 | 98.0% | 165.16 | C6H7D3O5 | 10 MG
Meglutol-d3 (dicrotalic acid-d3) is the deuterium-labeled analogue of meglutol, intended for use as a tracer or internal standard in quantitative analysis by NMR, GC-MS, or LC-MS. It is a white to off-white solid with high purity and is supplied in small-mass packages for analytical use.
- Deuterium-labeled internal standard for quantitative analysis
- Purity 98.0%
- Molecular weight 165.16
- Soluble in methanol (100 mg/mL; may require ultrasonic)
- Stored as powder at -20°C (long term) or 4°C (short term)
![Medchemexpress LLC Thymidine-1',2',3',4',5'-13C5 | 156968-81-9 | MFCD08459922 | 99.9% | 247.19 | C10H14N2O5 ([13C]5) | 1mg](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000270222.png-250.jpg)
Medchemexpress LLC Thymidine-1',2',3',4',5'-13C5 | 156968-81-9 | MFCD08459922 | 99.9% | 247.19 | C10H14N2O5 ([13C]5) | 1mg
Thymidine-13C5 (DThyd-13C5 NSC 21548-13C5) is 13C-labeled Thymidine (HY-N1150)[1]