Isotopically Labeled Compounds
American Radiolabeled Chemicals Inc GDP-5-8-3H A 250UC
Guanosine 5'-5',8-3H diphosphate trisodium salt (GDP) 250uCi, 25-50 Ci/mmol, sterile water, 1 mCi/ml, M.W. 509.2, Shipped in Dry Ice
Medchemexpress LLC Niacin-d4 | 66148-15-0 | 99.7% | 5 MG
Niacin-d4 is the deuterium labeled Niacin, a vitamin and part of the vitamin B group. It is intended for research use only.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
American Radiolabeled Chemicals Inc GLYCINE-2-3H 250UC
Glycin-2-3H 250uCi in ethanol:water (2:98), 1 mCi/ml, S.A. 30-60 Ci/mmol, M.W. 75.1
Medchemexpress LLC Eravacycline-d4 dihydrochloride | 1207283-85-9 | 99.98% | 635.50 | 1 MG
Eravacycline-d4 (TP-434-d4) dihydrochloride is deuterium labeled Eravacycline. Eravacycline is a potent and broad-spectrum antibacterial agent. For research use only.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Cayman Chemical MoclobemIde-d4 25mg
An internal standard for the quantification of moclobemide by GC- or LC-MS
Medchemexpress LLC Nortriptyline | 72-69-5 | 99.9% | 263.38 | C19H21N | 5 MG
Nortriptyline is a tricyclic antidepressant used as a research chemical and supplied as a high-purity solid for laboratory applications. It is provided in small pack sizes with defined storage conditions to preserve stability.
- High reported purity (99.9%).
- White to off-white solid, suitable for analytical and biological research.
- Molecular weight 263.38 g/mol; CAS number 72-69-5.
- Available in small research pack sizes, including 5 mg.
- Store at 4°C and protect from light; in solvent, store at -80°C (6 months) or -20°C (1 month).
Cayman Chemical EthIonamIde-d3 500ug
An internal standard for the quantification of ethionamide by GC- or LC-MS
Medchemexpress LLC Apremilast-d5 | 1258597-47-5 | 99.3% | 5 MG
Apremilast-d5 is a deuterium-labeled analogue of apremilast provided as a high-purity solid for research use. It is intended for use as a tracer or internal standard in quantitative analytical methods and retains the pharmacological profile of apremilast as a PDE-4 inhibitor.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS assays.
- High purity supports analytical applications.
- Supplied as a solid in milligram-scale quantities.
- Retains PDE-4 inhibitory properties for research studies.
Medchemexpress LLC (rac)-Metanephrine-d3 hydrochloride | 1215507-88-2 | 97.2% | 236.71 | 5 MG
(rac)-Metanephrine-d3 (hydrochloride) is the deuterium labeled (rac)-Metanephrine hydrochloride. Deuteration has the potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC 1-hexanol-d11 | 2159-18-4 | MFCD08705002 | 99.3% | 113.24 | C6H3D11O | 10 MG
1-Hexanol-d11 is the deuterium-labeled analogue of 1-hexanol supplied for analytical and research applications. It is intended for use as an isotope-labeled reagent or internal standard in mass spectrometry, NMR, and tracer studies, providing spectral clarity and reliable quantitation.
- High isotopic purity supporting accurate mass spectrometry and tracer experiments.
- High chemical purity to minimize interfering signals in analyses.
- Suitable as an internal standard for quantitative workflows.
- Compatible with MS and NMR analytical techniques.
- Available in multiple small pack sizes for method development and routine use.
- Specified storage conditions to preserve long-term stability.
Medchemexpress LLC N,N-dimethyl-4-(phenyldiazenyl)aniline-d5 | 1398109-08-4 | MFCD22565739 | 99.0% | 230.32 | C14H10D5N3 | 5 MG
Methyl yellow-d5 is the deuterium-labeled analogue of methyl yellow (Solvent Yellow 2), provided as a stable isotope standard for analytical and tracer applications. It is supplied as a high-purity solid reference material suitable for use as an internal standard in mass spectrometry and method development.
- High isotopic purity suitable for internal standard use.
- Compatible with mass spectrometry and liquid chromatography methods.
- Supplied as a stable, solid isotope-labeled standard for analytical workflows.
- Available in small milligram pack sizes for reference and validation.
- Documentation available includes certificate of analysis and safety data sheet for traceability.
Selleck Chemical LLC Sphingosine S2210-1g
Sphingosine (2-amino-4-trans-octadecene-1 3-diol C18 Sphingosine) is an 18-carbon amino alcohol with an unsaturated hydrocarbon chain which forms a primary part of sphingolipids a class of cell membrane lipids that include sphingomyelin an important phospholipid