Isotopically Labeled Compounds
Cambridge Isotope Laboratories N-Stearoyl-D-sphingosine (C18 ceramide) (d16 16 17 17 18 18 18-D7 98%) CP 95% 1 mg
N-Stearoyl-D-sphingosine (C18 ceramide) (d16 16 17 17 18 18 18-D7 98%) CP 95% 1 mg
Cambridge Isotope Laboratories 1 4-Benzoquinone (D4 98%) CP 97% 1 g
1 4-Benzoquinone (D4 98%) CP 97% 1 g
Cambridge Isotope Laboratories N-Nitroso-N-methylethanolamine (1 1 2 2-D4 methyl-D3 98%) 5 mg/mL in methanol 1 2 mL
N-Nitroso-N-methylethanolamine (1 1 2 2-D4 methyl-D3 98%) 5 mg/mL in methanol 1 2 mL
Cayman Chemical OclacItInIb-13C-d3 500ug
An internal standard for the quantification of oclacitinib by GC- or LC-MS
Cayman Chemical PalIperIdon-d4 500ug
An internal standard for the quantification of paliperidone by GC- or LC-MS
Medchemexpress LLC D-glutamic acid-d5 | 14341-88-9 | MFCD08704921 | 99.9% | 152.16 g·mol⁻¹ | C5H4D5NO4 | 10 MG
D-Glutamic acid-d5 is the deuterium-labeled (d5) isotopologue of D-glutamic acid supplied as a high-purity analytical standard. It is the D-enantiomer of glutamic acid and is intended for use as an internal standard in quantitative mass spectrometry and other analytical workflows for pharmaceutical and food research.
- Deuterium-labeled (d5) isotopologue for clear mass shift in MS.
- High purity (~99.9%) suitable for quantitative analysis.
- Suitable as internal standard for LC-MS and GC-MS methods.
- Useful for method development, validation, and trace quantification.
- Stable solid material convenient for storage and handling.
Medchemexpress LLC Necrosulfonamide-d4 | 1795144-22-7 | 99.3% | 465.50 g/mol | C18H11D4N5O6S2 | 1 MG
Necrosulfonamide-d4 is the deuterium-labeled isotopologue of necrosulfonamide supplied for research use. It is intended for use as a mass spectrometry internal standard and in biochemical or cell-based studies that probe necroptosis and pyroptosis pathways involving MLKL and Gasdermin D. The compound is provided as a characterized, high-purity research reagent for analytical and biological workflows.
- Deuterium-labeled isotopologue suitable for mass spectrometry internal standard use.
- Used to study MLKL- and Gasdermin D-mediated necroptosis and pyroptosis pathways.
- High purity for reliable analytical and biochemical results.
- Supplied in milligram-scale quantities for analytical and experimental workflows.
- Molecular weight 465.50 g/mol; formula C18H11D4N5O6S2.
Cayman Chemical ArachIdIc AcId-d2 5mg
An internal standard for the quantification of arachidic acid by GC- or LC-MS
![eMolecules 67035-94-3 | Diethyl Malonate-2-13C | Toronto Research Chemicals | MFCD00037508 | 161.161 | C7H12O4CCOC(=O)[13CH2]C(=O)OCC | 100mg | 601594001](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502175570.JPG-250.jpg)
eMolecules 67035-94-3 | Diethyl Malonate-2-13C | Toronto Research Chemicals | MFCD00037508 | 161.161 | C7H12O4CCOC(=O)[13CH2]C(=O)OCC | 100mg | 601594001
Diethyl Malonate-2-13C | Toronto Research Chemicals | 67035-94-3 | MFCD00037508 | 161.161 | C7H12O4CCOC(=O)[13CH2]C(=O)OCC | 100mg | 601594001
Medchemexpress LLC Fmoc-Cys(Trt)-OH-d2 | 360565-11-3 | 587.72 | 5 MG
Fmoc-Cys(Trt)-OH-d2 is the deuterium labeled Fmoc-Cys(Trt)-OH, which is an N-terminal protected cysteine derivative.
- Used as a tracer for quantitative analysis.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Cayman Chemical BezafIbrate-d4 1mg
An internal standard for the quantification of bezafibrate by GC- or LC-MS
Cambridge Isotope Laboratories 4-Bromo-2 3 3 4-tetraCB (13C12 99%) 40 ug/mL in nonane 3 mL
4-Bromo-2 3 3 4-tetraCB (13C12 99%) 40 ug/mL in nonane 3 mL