Other Solvents
Cayman Chemical Fluconazole-d4 1mg
An internal standard for the quantification of fluconazole by GC- or LC-MS
Medchemexpress LLC N1-acetylspermine-d3 trihydrochloride | 77928-70-2 | MFCD00083219 | 99.9% | 356.78 g/mol | C12H28D3Cl3N4O | 1 MG
N1-acetylspermine-d3 trihydrochloride is a deuterium-labeled isotopic standard of N1-acetylspermine provided as the trihydrochloride salt. It is intended for use as an internal standard in analytical methods, particularly mass spectrometry and metabolomics studies of polyamine metabolism.
- Deuterium-labeled internal standard suitable for mass spectrometry quantification.
- High isotopic and chemical purity for accurate tracing and minimal interference.
- Trihydrochloride salt form improves stability and solubility in aqueous solutions.
- Supplied in small analytical pack sizes appropriate for method development.
Medchemexpress LLC Carfilzomib-d8 | 1537187-53-3 | 98.7% | 727.96 g/mol | C40H49D8N5O7 | 500 UG
Carfilzomib-d8 is a deuterium-labeled analog of carfilzomib, an irreversible proteasome inhibitor used in research. It serves as a tracer and internal standard for quantitative analysis by NMR, GC-MS, and LC-MS, and is suitable for studies of proteasome inhibition in cell models.
- Deuterium-labeled internal standard for quantitative mass spectrometry and NMR.
- Irreversible proteasome inhibitor activity; reported IC50 ≈ 5 nM in ANBL-6 and RPMI 8226 cells.
- Molecular formula C40H49D8N5O7; molecular weight 727.96 g/mol.
- Typical purity around 98.7% (batch dependent).
- Storage: protect from light; in solvent store at -80 °C up to 6 months, -20 °C up to 1 month.
Medchemexpress LLC D-ribose-d5 | 99.1% | 155.16 g/mol | C5H5D5O5 | 10 MG
D-ribose-d5 is the deuterium-labeled form of D-ribose used as a stable isotope tracer and internal standard for metabolic and analytical studies. It is suited for quantitative NMR, GC-MS, and LC-MS workflows and supports metabolic profiling and pharmacokinetic investigations.
- Deuterium-labeled (d5) analog for isotope tracing.
- Useful as an internal standard for quantitative NMR, GC-MS, and LC-MS.
- Facilitates metabolic profiling and pharmacokinetic studies.
- High listed purity of 99.1%.
- Available in small packaging sizes from 1 mg to 100 mg.
- Powder stable at -20°C for long-term storage.
Cambridge Isotope Laboratories Sodium DL-3-hydroxybutyrate (3 4 4 4-D4 98%) 1 mg/mL in water CP 95% 1 mL
Sodium DL-3-hydroxybutyrate (3 4 4 4-D4 98%) 1 mg/mL in water CP 95% 1 mL
Cayman Chemical NaphazolIn-d4hydrochlorIde 5mg
An internal standard for the quantification of naphazoline by GC- or LC-MS
Cambridge Isotope Laboratories Atrazine (ring-13C3 99%) 100 ug/mL in MTBE 1 2 mL
Atrazine (ring-13C3 99%) 100 ug/mL in MTBE 1 2 mL
Medchemexpress LLC Meropenem-d6 | 1217976-95-8 | 98.0% | C17H19D6N3O5S | 10MG
Meropenem-d6 is a deuterium-labeled isotopologue of the carbapenem antibiotic meropenem, provided as a high-purity analytical standard for research use. It is intended as an internal standard for LC-MS or GC-MS quantification and other analytical assays. Not for human or clinical use.
- Deuterium-labeled internal standard for accurate quantification.
- High purity (98.0%) suitable for analytical methods.
- Compatible with LC-MS and GC-MS workflows.
- Available in small, weighed quantities for standards preparation.
- Intended for research use only; not for human use.