Isotopically Labeled Compounds
Medchemexpress LLC Tizoxanide-d4 | 1246817-56-0 | 99.8% | 269.27 | C10H3D4N3O4S | 5 MG
Tizoxanide-d4 is the deuterium-labeled analogue of tizoxanide provided as a stable-isotope reference standard for research applications. It is intended for use as an internal standard in quantitative and metabolic studies where isotopic labeling improves accuracy and traceability. CAS: 1246817-56-0.
- Deuterium-labeled analogue of tizoxanide.
- Intended for research use only.
- High chemical purity (≈99.8%).
- Suitable as an internal standard for mass spectrometry.
- Molecular formula C10H3D4N3O4S; molecular weight 269.27.
Cayman Chemical trns-Resveratrol-d4 100ug
An internal standard for the quantification of trans-resveratrol by GC- or LC-MS
Medchemexpress LLC (±)-Naproxen-d3 | 958293-79-3 | MFCD22572922 | 99.8% | 233.28 g/mol | C14H11D3O3 | 10 MG
(±)-Naproxen-d3 is the deuterium-labeled form of naproxen used as an analytical reference standard and tracer. It is intended as an internal standard for quantitative and metabolic studies and supports accurate method development and validation in spectrometric and chromatographic workflows.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS applications.
- High chemical and isotopic purity for reliable quantitation.
- Supplied in small, accurately weighed quantities for analytical work.
- Molecular formula C14H11D3O3 and molecular weight 233.28 g/mol.
Cayman Chemical -SItaglIptIn-d4hydrochlo 1mg
An internal standard for the quantification sitagliptin by GC- or LC-MS
![Revvity Health Sciences Inc Ethylcarboxamidoadenosine, 5'-N-[Adenine-2,8-<sup>3</sup>H]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812833.jpg-250.jpg)
Revvity Health Sciences Inc Ethylcarboxamidoadenosine, 5'-N-[Adenine-2,8-3H]-, 250µCi (9.25MBq)
Ethylcarboxamidoadenosine, 5'-N-[Adenine-2,8-3H]-, 250µCi (9.25MBq)
![Revvity Health Sciences Inc Iodo-Melatonin, 2-[<sup>125</sup>I], 250µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812751.jpg-250.jpg)
Medchemexpress LLC Ilaprazole-d3 | 1070969-17-3 | 98.0% | 369.46 | C19H15D3N4O2S | 1 MG
Ilaprazole-d3 is a deuterium-labeled analogue of ilaprazole intended for use as a tracer and internal standard in analytical research. Supplied in small quantities for laboratory use, it supports accurate quantification in metabolic and pharmacokinetic studies using MS and NMR techniques.
- Deuterium-labeled analogue for isotope tracing.
- Suitable as an internal standard for quantitative LC-MS, GC-MS, and NMR.
- Molecular formula C19H15D3N4O2S; molecular weight 369.46 g·mol⁻¹.
- Provided in small, research-scale quantities for analytical workflows.
- Refer to certificate of analysis for lot-specific purity and handling information.
Revvity Health Sciences Inc Phosphorus-32 Radionuclide, 50mCi (1.85GBq), Specific Activity: 8500-9120Ci (314-337TBq)/mmol, Orthophosphoric Acid in 1mL Water
Phosphorus-32 Radionuclide, 50mCi (1.85GBq), Specific Activity: 8500-9120Ci (314-337TBq)/mmol, Orthophosphoric Acid in 1mL Water
![Revvity Health Sciences Inc ATP, [γ-<sup>32</sup>P]- 6000Ci/mmol 10mCi/ml , 500 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812286.jpg-250.jpg)
Revvity Health Sciences Inc ATP, [γ-32P]- 6000Ci/mmol 10mCi/ml , 500 µCi
ATP, [γ-32P]- 6000Ci/mmol 10mCi/ml , 500 µCi
Abcam D-Luciferin, 6'-methyl ether, 5MG
MW 294.3 g/mol, Purity >95%. Firefly luciferase inhibitor. Lucifern analog. Useful in luciferase / cytochrome P450 dual assay systems. Dealkylase removes the methyl ether to release a luciferase substrate which produces light in direct proportion to cytochrome P450 activity.
The product is subject to the following: Abcam Restricted Use Statement
![Revvity Health Sciences Inc dATP, [α-<sup>32</sup>P]- 6000Ci/mmol 20mCi/ml , 250 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812198.jpg-250.jpg)
Revvity Health Sciences Inc dATP, [α-32P]- 6000Ci/mmol 20mCi/ml , 250 µCi
dATP, [α-32P]- 6000Ci/mmol 20mCi/ml , 250 µCi