Isotopically Labeled Compounds
Medchemexpress LLC Alanine-2,3,3,3-d4 | 53795-92-9 | MFCD00084108 | 99.8% | 93.12 g/mol | C3H3D4NO2 | 10 MG
Alanine-2,3,3,3-d4 is a deuterium-labeled form of alanine used as a stable-isotope tracer and internal standard for quantitative analysis. It is intended for analytical workflows in which accurate quantitation and tracing are required, and is supplied in milligram pack sizes suitable for NMR, GC-MS, and LC-MS applications.
- Deuterium-labeled for isotope tracing and internal standardization.
- High purity (99.8%) for accurate quantitation.
- Suitable for NMR, GC-MS, and LC-MS applications.
- Available in multiple small milligram pack sizes for analytical use.
- Molecular weight 93.12 g/mol and CAS 53795-92-9 for unambiguous identification.
Medchemexpress LLC Trimetazidine-d8 dihydrochloride | 1219795-37-5 | 99.9% | 5 MG
Trimetazidine-d8 (dihydrochloride) is the deuterium labeled Trimetazidine dihydrochloride. Trimetazidine dihydrochloride is a selective long chain 3-ketoyl coenzyme A thiolase inhibitor with an IC50 of 75 nM, which can inhibit β-oxidation of free fatty acid (FFA). Trimetazidine dihydrochloride is an effective antianginal agent and a cytoprotective agent, has anti-oxidant, anti-inflammatory, antinociceptive and gastroprotective properties. Trimetazidine dihydrochloride triggers autophagy. Trimetazidine dihydrochloride is also a 3-hydroxyacyl-CoA dehydrogenase (HADHA) inhibitor.
- 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.
- Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
Sigma Aldrich Fine Chemicals Biosciences L-Serine-13C3,15N 98 atom % 13C, 98 atom % 15N, 95% (CP) | 202407-34-9 | MFCD00144678 | 250MG
L-Serine-13C3,15N 98 atom % 13C, 98 atom % 15N, 95% (CP) | Purity: 95% (CP) | Mol Wt: 109.06 | 202407-34-9 | MFCD00144678 | 250MG
Cambridge Isotope Laboratories Methylene Chloride-d2 (d, 99.9%), 1665-00-5, MFCD00000882, 10 g
Chemical Formula: CD2Cl2, MW: 86.94, 99.8%, Synonyms: Dichloromethane; Methylene dichloride.
Cambridge Isotope Laboratories Acetone-D6, 666-52-4, Mfcd00044635, 10 G
Acetone-D6, 666-52-4, Mfcd00044635, 10 G
Cayman Chemical Dexamethason-d4 500ug
An internal standard for the quantification of dexamethasone by GC- or LC-MS
Cayman Chemical AcetamInophen-d4 10mg
An internal standard for the quantification of acetaminophen by GC- or LC-MS
Medchemexpress LLC Pimozide-d4-1 | 00-00-0 | 98.0% | C28H25D4F2N3O | 10MG
Pimozide-d4-1 is the deuterium-labeled isotopologue of pimozide designed for use as an analytical tracer and internal standard in quantitative mass spectrometry and NMR methods. With four deuterium substitutions, the compound provides a distinct mass difference from the parent analyte to support accurate, interference-resistant measurement in bioanalytical and method-development workflows.
- Enables accurate quantitation as an internal standard for LC-MS, GC-MS, or NMR.
- Four deuterium labels provide a clear mass shift from the unlabeled analyte.
- High purity supports reproducible analytical performance.
- Suitable for method development and validation workflows.
- Available in laboratory-scale pack sizes for routine use.
- Supplied with documentation for analytical applications.
Medchemexpress LLC Laquinimod-d5 | 1214267-09-0 | MFCD08689859 | 98.3% | C19H12D5ClN2O3 | 10MG
Laquinimod-d5 is a deuterium-labeled stable isotope of laquinimod intended for use as an analytical reference standard. It is primarily applied as an internal standard in mass spectrometry and for ADME/metabolism and quantitative studies where isotopic labeling improves tracking and accuracy. The material is characterized and supplied with supporting analytical data.
- Deuterium-labeled (d5) isotopologue for mass spectrometry internal standards.
- High purity for analytical use (98.3%).
- Suitable for ADME, metabolism, and quantitative analysis.
- Molecular formula C19H12D5ClN2O3; molecular weight 361.83.
- Supplied with certificate of analysis and supporting characterization.
- Facilitates accurate tracing and quantification in bioanalytical workflows.
Sigma Aldrich Fine Chemicals Biosciences Glycodeoxycholic-2,2,4,4-d4 acid >=98 atom % D, >=98% (CP) | 1069132-37-1 | MFCD06658888 | 10MG
Glycodeoxycholic-2,2,4,4-d4 acid >=98 atom % D, >=98% (CP) | Purity: >=98% (CP) | Mol Wt: 453.65 | 1069132-37-1 | MFCD06658888 | 10MG
Cayman Chemical ClozapIn-d4 100ug
An internal standard for the quantification of clozapine by GC- or LC-MS