Isotopically Labeled Compounds
Medchemexpress LLC Eribulin-d3 mesylate | 00-00-0 | MFCD22572760 | 97.0% | 829.02 g·mol⁻¹ | C41H60D3NO14S | 5 MG
Eribulin-d3 (mesylate) is a deuterium-labeled form of eribulin mesylate supplied as the methanesulfonate salt. It is used as an isotopically labeled reference standard in analytical and preclinical research to study microtubule-targeting anticancer activity and to support quantitative mass spectrometry workflows.
- deuterium-labeled internal standard for mass spectrometry
- suitable for pharmacokinetic and metabolic tracer studies
- supplied as the mesylate (methanesulfonate) salt
- reported purity 97.0%
- molecular weight approximately 829.02 g·mol⁻¹
Cayman Chemical EfInaconazole-d4 5mg
An internal standard for the quantification of efinaconazole by GC- or LC-MS
Cambridge Isotope Laboratories Anthracene (D10 98%) 200 ug/mL in isooctane 1 2 mL
Anthracene (D10 98%) 200 ug/mL in isooctane 1 2 mL
Cayman Chemical Etofenamate-d4 5mg
An internal standard for the quantification of etofenamate by GC- or LC-MS
Medchemexpress LLC Dimethyl adipate-d8 | 52089-64-2 | MFCD12022192 | 98.0% | 182.24 g·mol⁻¹ | C8H6D8O4 | 50 MG
Dimethyl adipate-d8 is the deuterium-labeled form of dimethyl adipate (hexanedioic acid dimethyl ester) intended as an analytical reference standard for research use. It is used as an isotopically labeled tracer and internal standard to support accurate quantitation and metabolic tracing in chemical and biological analyses.
- Deuterium-labeled internal standard for quantitative analysis.
- Compatible with NMR, GC-MS, and LC-MS workflows.
- High purity (98.0%) and isotopic enrichment for reliable results.
- Useful as a tracer in metabolic and labeling studies.
- Provided as a stable reagent for analytical applications.
Medchemexpress LLC γ-Glutamylphenylalanine (Phe-13C9, 15N) | 7432-24-8 | 98.0% | 304.23 | C14H18N2O5 (13C9,15N-labeled) | 1 MG
γ-Glu-(Phe-13C9, 15N) is an isotopically labeled γ-glutamyl-phenylalanine supplied for analytical and research applications. It is intended for use as an internal standard or tracer in mass spectrometry and metabolic studies, enabling accurate quantitation and isotopic tracing while maintaining the chemical properties of the native dipeptide.
- Isotope-labeled for mass spectrometry internal standard use.
- High isotopic enrichment and analytical purity for reliable quantitation.
- Chemical behavior mirrors the native dipeptide for accurate matrix matching.
- Supplied as a stable dry powder suitable for storage and reconstitution.
- Molecular weight 304.23 for reference in method development.
Medchemexpress LLC 1,3,5-triazine-2,4,6-triamine-13C3 | 1173022-88-2 | MFCD12546054 | 98.7% | 129.10 | 13C3H6N6 | 10mg
Melamine-13C3 is the 13C labeled Melamine[1] Melamine is a metabolite of cyromazine Melamine is a intermediate for the synthesis of melamine resin and plastic materials[2]
Cayman Chemical ProstaglndIn J2-d4 50ug
An internal standard for the quantification of prostaglandin J2 by GC- or LC-MS
Cayman Chemical Avobenzon-13C-d3 5mg
An internal standard for the quantification of avobenzone by GC- or LC-MS