Isotopically Labeled Compounds
Medchemexpress LLC Desonide-13C3 | >98.0% | 419.49 | C21 13C3 H32 O6 | 1 MG
Desonide-13C3 is the 13C-labeled isotopologue of desonide provided for research use. It is intended as a tracer, internal standard, or analytical reference in studies of glucocorticoid receptor activity, inflammatory disease models, and Huntington's disease research. Supplied as a solid in small vials and accompanied by a certificate of analysis with storage recommendations.
- 13C-labeled isotopologue suitable for tracer and mass spectrometry internal standard use.
- High isotopic purity supports accurate quantitation in analytical workflows.
- Available in small-scale quantities for method development and validation.
- Supplied as a solid; follow the certificate of analysis for storage and handling.
- Intended for research use only; not for human or clinical use.
Cayman Chemical Mycophenolate MofetIl-d4 5mg
An internal standard for the quantification of mycophenolate mofetil by GC- or LC-MS
Cayman Chemical RIocIguat-13C-d3 500ug
An internal standard for the quantification of riociguat by GC- or LC-MS
Cambridge Isotope Laboratories 11-Deoxycortisol (21 21-D2 96%) 5 mg
11-Deoxycortisol (21 21-D2 96%) 5 mg
Cambridge Isotope Laboratories Creatinine (N-Methyl-D3, 98%), 143827-20-7, MFCD00190410, 0.1G
Chemical Formula: C4H4D3N3O, Molecular Weight: 116.14, Synonym: 4-Amidinosarcosine-d3 (methyl-d3), MP: 255 °C (dec.) (lit.)
Medchemexpress LLC Bis-tris-d19 | 352534-93-1 | 10 MG
Bis-Tris-d19 is the deuterium-labeled form of the Bis-Tris buffer, provided as a solid reagent intended for use as a tracer or internal standard in quantitative analysis and isotope-labeling studies. It is suitable for analytical applications such as NMR, GC-MS, and LC-MS and is supplied in a 10 mg vial.
- Can be used as a tracer in research applications.
- Serves as an internal standard for quantitative analysis (NMR, GC-MS, LC-MS).
- Deuterium labeling (d19) enables isotopic tracing and metabolic studies.
- Supplied as a solid; recommended storage at -20°C for long-term stability.
Cayman Chemical LoratdIn-d4 500ug
An internal standard for the quantification of loratadine by GC- or LC-MS
Medchemexpress LLC Amiodarone-d10 hydrochloride | 1261393-77-4 | MFCD34567863 | 98.8% | C25H20D10ClI2NO3 | 10MG
Amiodarone-d10 hydrochloride is a deuterium-labeled analog of the antiarrhythmic agent amiodarone, supplied as the hydrochloride salt. It is used as a stable-isotope internal standard or tracer in analytical chemistry, pharmacokinetic studies, and other research applications.
- Deuterium-labeled internal standard for quantitative analysis
- Hydrochloride salt supplied as a solid
- High purity (98.8%) for reliable analytical performance
- Suitable for pharmacokinetic and tracer studies
- Available in laboratory-scale packaging for research use
Medchemexpress LLC Succinimide-15N | 32807-36-6 | 99.0% | 100.08 | 25 MG
Succinimide-15N is the 15N labeled Succinimide. Succinimide rapidly hydrolyzes into aspartic acid and aspartic acid during the reduction/alkylation process. It is utilized in the development of antiepileptic agents.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, primarily as tracers for quantitation during the drug development process. Deuteration has garnered attention due to its potential to influence the pharmacokinetic and metabolic profiles of drugs.
Cambridge Isotope Laboratories DL-A-Phosphatidylcholine dihexanoyl (D40 98%) (dhpc) CP 95% 0 1 g
DL-A-Phosphatidylcholine dihexanoyl (D40 98%) (dhpc) CP 95% 0 1 g
Medchemexpress LLC 1,2-distearoyl-sn-glycero-3-phosphorylcholine-d79 | 326495-39-0 | 99.3% | 869.63 g/mol | C44H9D79NO8P | 1 MG
Deuterated form of 1,2-distearoyl-sn-glycero-3-phosphorylcholine used as a saturated phospholipid for liposome and lipid nanoparticle formulations. Deuteration replaces hydrogen atoms with deuterium to enable analytical tracing and may affect metabolic stability.
- Deuterium-labeled phospholipid for tracing and mass-shift studies.
- High purity suitable for formulation and analytical work.
- Small pack sizes for research-scale experiments.
- Compatible with liposome and lipid nanoparticle synthesis protocols.
Cambridge Isotope Laboratories D-RIBOSE (U-13C5, 98%), 0.1 G, 202114-47-4
D-RIBOSE (U-13C5, 98%), 0.1 G, 202114-47-4
Medchemexpress LLC 1,6-anhydro-β-D-glucopyranose-d7 | 2483832-05-7 | 99.9% | 169.18 g/mol | C6H3D7O5 | 10 MG
Levoglucosan-d7 is a deuterium-labeled analogue of levoglucosan (1,6-anhydro-β-D-glucopyranose) used as a stable-isotope standard and tracer in analytical chemistry, particularly mass spectrometry and environmental analysis.
- Deuterium-labeled internal standard for mass spectrometry.
- High purity (99.9%) for accurate quantitation.
- Available in small analytical pack sizes, such as 10 mg.
- Solid powder format with defined storage conditions to preserve stability.
- Molecular formula C6H3D7O5, molecular weight 169.18 g/mol.
Cayman Chemical DesIpramIn-d4hydrochlorIde 5mg
An internal standard for the quantification of desipramine by GC- or LC-MS