Isotopically Labeled Compounds
Medchemexpress LLC D-ribose-13C-4 | 99.0% | 151.12 g/mol | C4(13C)H10O5 | 1 MG
D-Ribose-13C-4 is a stable-isotope labeled D-ribose with the 13C label at the C-4 position, supplied as a high-purity tracer and internal standard for quantitative NMR, GC-MS, and LC-MS and for metabolic studies involving ATP and protein glycation.
- High isotopic incorporation at the C-4 position.
- Purity: 99.0%.
- Suitable as a tracer and internal standard for NMR, GC-MS, and LC-MS.
- High solubility in water and DMSO (≈100 mg/mL).
- Stable under recommended storage conditions for powder and solutions.
Medchemexpress LLC D-ribose-d6 | 99.9% | 156.17 g/mol | C5H4D6O5 | 10 MG
D-Ribose-d6 is the deuterium-labeled analogue of D-ribose used as an isotope-labeled standard and tracer in biochemical and analytical studies. It facilitates mass spectrometry and NMR analysis of carbohydrate metabolism and energy-related pathways.
- Deuterium-labeled tracer for mass spectrometry and NMR.
- High isotopic enrichment suitable for quantitative analyses.
- High chemical purity for analytical applications.
- Supplied as a dry powder for easy handling and storage.
- Useful as an internal standard or tracer in metabolic studies.
Medchemexpress LLC D-ribose-d5 | 99.1% | 155.16 g/mol | C5H5D5O5 | 5 MG
D-Ribose-d5 is the deuterium-labeled form of D-ribose (C5H5D5O5) used as a stable-isotope tracer and internal standard for analytical workflows. It is intended for quantitative metabolomics, tracer experiments, and structural studies by mass spectrometry and NMR, providing consistent performance in metabolic pathway analysis.
- Stable isotope-labeled tracer for metabolic studies.
- High isotopic purity for reliable quantitation.
- Suitable as an internal standard in MS and NMR assays.
- Available in analytical sizes (1-100 mg).
- Supports metabolic pathway tracing and flux analysis.
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)
Revvity Health Sciences Inc Unquenched 14C Low Level Standard, 20 mL Vial
Unquenched 14C Low Level Standard, 20 mL Vial
![Revvity Health Sciences Inc Water, [<sup>3</sup>H]-, 5mCi (185MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810662.jpg-250.jpg)
Cayman Chemical ProstaglndIn J2-d4 25ug
An internal standard for the quantification of prostaglandin J2 by GC- or LC-MS
![Revvity Health Sciences Inc Fractalkine (human, recombinant), [<sup>125</sup>I]-, 10µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502811047.jpg-250.jpg)
Revvity Health Sciences Inc Fractalkine (human, recombinant), [125I]-, 10µCi
Fractalkine (human, recombinant), [125I]-, 10µCi
Medchemexpress LLC Dimethyl adipate-d4-1 | 55724-08-8 | 99.4% | 178.22 | C8H10D4O4 | 100 MG
Dimethyl adipate-d4-1 is the deuterium-labeled analogue of dimethyl adipate supplied as a stable isotope reference standard for analytical and tracer applications. It is provided as a high-purity material intended for mass spectrometry, quantitative analysis, and method development.
- Deuterium-labeled standard for mass spectrometry and tracer studies.
- High purity, 99.4%.
- Chemical formula C8H10D4O4; molecular weight 178.22.
- Packaged as a 100 mg vial for analytical use.
- Accompanied by certificate of analysis and safety data sheet.
Medchemexpress LLC Olaparib-d8 | 00-00-0 | 99.6% | 442.51 g/mol | C24H15D8FN4O3 | 1 MG
Olaparib-d8 is a deuterium-labeled analogue of olaparib used as a tracer and internal standard for quantitative NMR, GC-MS, and LC-MS analyses. It retains the inhibitory profile against PARP1 and PARP2 while providing a mass-shifted isotopic label for accurate quantitation in analytical workflows.
- High isotopic labeling for reliable mass-based discrimination.
- Suitable as tracer and internal standard for NMR, GC-MS, and LC-MS.
- Potent PARP1/2 inhibitory profile (IC50s: PARP1 5 nM, PARP2 1 nM).
- High purity for analytical accuracy (≈99.6%).
- Soluble in common solvents such as DMSO and DMF.
- Stable when stored under recommended low-temperature conditions.
Medchemexpress LLC D-Xylulose-2-13C | 131771-47-6 | 99.5% | 151.12 | 5 MG
D-Xylulose-2-13C is the 13C labeled form of D-Xylulose, a precursor of the pentiol D-arabi. It is useful as a tracer and an internal standard for various analytical methods.
- Used as a tracer.
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Incorporates stable heavy isotopes of hydrogen, carbon, and other elements into drug molecules.
- Can affect the pharmacokinetic and metabolic profiles of drugs through deuteration.
Cayman Chemical -ThalIdomIde-d4 1mg
An internal standard for the quantification of (±)-thalidomide by GC- or LC-MS
Revvity Health Sciences Inc Phosphorus-32 Radionuclide, 50mCi (1.85GBq), Specific Activity: 8500-9120Ci (314-337TBq)/mmol, Orthophosphoric Acid in Water, Concentration:>500mCi/mL
Phosphorus-32 Radionuclide, 50mCi (1.85GBq), Specific Activity: 8500-9120Ci (314-337TBq)/mmol, Orthophosphoric Acid in Water, Concentration:>500mCi/mL
Medchemexpress LLC Benzyl benzoate-d5 | 347840-01-1 | 99.8% | 50 MG
Benzyl benzoate-d5 is a deuterium-labeled form of Benzyl benzoate. Benzyl benzoate (benzoic acid benzyl ester) is used as a fragrance ingredient in cosmetic products and in research related to scabies and demodex-associated inflammatory skin conditions. It is for research use only.
- Deuterium-labeled compound
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis
- Suitable for NMR, GC-MS, or LC-MS techniques
- Potential to influence pharmacokinetic and metabolic profiles of drugs