Isotopically Labeled Compounds
Cayman Chemical LeflunomIde-d4 500ug
An internal standard for the quantification of leflunomide by GC- or LC-MS
Medchemexpress LLC 16:0-18:1 PS-d31 sodium | 327178-96-1 | MFCD02259271 | 99.1% | 815.18 g/mol | C40H44NO10PNaD31 | 5 MG
16:0-18:1 PS-d31 sodium is a deuterium-labeled phosphatidylserine (PS) lipid supplied as the sodium salt for research use. The d31 isotopic label enables sensitive mass spectrometry tracing and quantification in lipidomics and metabolic studies. Supplied in small research quantities, it is intended for laboratory applications only.
- Deuterium-labeled phosphatidylserine sodium salt for isotope tracing.
- High purity (99.08%) suitable for analytical applications.
- Optimized for mass spectrometry and lipidomics workflows.
- Useful as an internal standard or tracer in metabolic studies.
- Available in small research quantities for laboratory experiments.
Cayman Chemical Orlstat-d3 1mg
An internal standard for the quantification of orlistat by GC- or LC-MS
Cayman Chemical Avobenzon-13C-d3 1mg
An internal standard for the quantification of avobenzone by GC- or LC-MS
![Medchemexpress LLC [1,1'-Biphenyl]-4-pentanoic acid, γ-[(3-carboxy-1-oxopropyl)amino]-α-methyl-, (αR,γS)-d4 | 149709-44-4 | 99.3% | 387.46 | 5 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000386966-logo.png-250.jpg){kind=logo}
Medchemexpress LLC [1,1'-Biphenyl]-4-pentanoic acid, γ-[(3-carboxy-1-oxopropyl)amino]-α-methyl-, (αR,γS)-d4 | 149709-44-4 | 99.3% | 387.46 | 5 MG
Sacubitrilat-d4 is the deuterium-labeled Sacubitrilat, an active neprilysin (NEP) inhibitor. Deuteration, the incorporation of stable heavy isotopes into drug molecules, is used for quantitation during drug development and can affect pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Acetaminophen-13C2,15N | 360769-21-7 | 98.3% | C613C2H915NO2 | 1 MG
Acetaminophen-13C2,15N is the 13C and 15N labeled Acetaminophen. Acetaminophen (Paracetamol) is a selective cyclooxygenase-2 (COX-2) inhibitor with an IC50 of 25.8 μM and is a widely used antipyretic and analgesic agent. It is also a potent hepatic N-acetyltransferase 2 (NAT2) inhibitor.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Selective cyclooxygenase-2 (COX-2) inhibitor.
- Widely used antipyretic and analgesic agent.
- Potent hepatic N-acetyltransferase 2 (NAT2) inhibitor.
Cayman Chemical CImetIdIn-d3 1mg
An internal standard for the quantification of cimetidine by GC- or LC-MS
Medchemexpress LLC Benzoic acid, 3,6-dichloro-2-(methoxy-d3)- | 349553-95-3 | 99.7% | 5 MG
Dicamba-d3 is a deuterium-labeled isotopologue of dicamba supplied for analytical and research use. It is used as a tracer and internal standard for quantitative methods, enabling accurate measurement in NMR, GC-MS, and LC-MS workflows.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS applications.
- High purity (HPLC 99.7%) for accurate quantitation.
- Molecular weight 224.06 g/mol; formula C8H3D3Cl2O3.
- Stable when stored as a powder at -20°C.
Cayman Chemical TryptamIn-d4hydrochlorIde 1mg
An internal standard for the quantification of tryptamine by GC- or LC-MS
Cambridge Isotope Laboratories L-Valine (13C5 99% 15N 99%) 0 25 g
L-Valine (13C5 99% 15N 99%) 0 25 g
Medchemexpress LLC Nicardipine-d3 hydrochloride | 1432061-50-1 | MFCD30747912 | 99.7% | 519.00 | C26H27D3ClN3O6 | 10MG
Nicardipine-d3 hydrochloride is a deuterium-labeled hydrochloride salt of nicardipine supplied as a high-purity solid analytical standard for research use. It is intended as a tracer or internal standard for quantitative NMR, GC-MS, and LC-MS analyses in analytical and pharmacokinetic workflows.
- Deuterated tracer for quantitative analysis by NMR, GC-MS, and LC-MS.
- High purity (99.72%) suitable for analytical standard use.
- Solid hydrochloride form for stable handling and storage.
- Available in small packaging sizes tailored for analytical workflows.
- Molecular weight 519.00 and chemical formula C26H27D3ClN3O6.
- For research use only; not for human or clinical use.