Isotopically Labeled Compounds
Medchemexpress LLC Treprostinil-d9 | 2747918-14-3 | MFCD23144256 | 99.8% | 399.57 g/mol | C23H25D9O5 | 5 MG
Treprostinil-d9 is a deuterium-labeled analogue of treprostinil used as a stable-isotope internal standard for analytical and pharmacokinetic studies. It is intended for use in mass spectrometry, method development, and quantitative bioanalysis where accurate normalization and peak identification are required.
- Deuterium-labeled internal standard for accurate quantitation in MS assays.
- High purity (99.79%) for reliable analytical performance.
- Molecular weight approximately 399.57 g/mol for precise mass calibration.
- Available in small, research-friendly pack sizes (mg scale).
- Suitable for pharmacokinetic and bioanalytical method development.
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.
Cayman Chemical Acephate-d3 1mg
An internal standard for the quantification of acephate by GC- or LC-MS
Cayman Chemical DarIfenacIn-d4 500ug
An internal standard for the quantification of darifenacin by GC- or LC-MS
Cambridge Isotope Laboratories Sodium D-3-hydroxybutyrate | 13613-65-5 | MFCD00077788 | 0.5g
Sodium D-3-hydroxybutyrate | Putity: 97% | MW: 130.06 | 13613-65-5 | MFCD00077788 | 0.5g
Cambridge Isotope Laboratories 16 ALPHA-HYDROXYESTRONE (2,3,4-13C3,99%), 0.5 MG, 1241684-28-5
16 ALPHA-HYDROXYESTRONE (2,3,4-13C3,99%), 0.5 MG, 1241684-28-5
Cambridge Isotope Laboratories AMMONIUM NITRATE (15N2, 98%+), 1 G, 43086-60-8
AMMONIUM NITRATE (15N2, 98%+), 1 G, 43086-60-8
Cambridge Isotope Laboratories SODIUM ACETATE (2-13C, 99%), 10 G, 13291-89-9
SODIUM ACETATE (2-13C, 99%), 10 G, 13291-89-9