Isotopically Labeled Compounds
Cayman Chemical BalsalazIde-d4 1mg
An internal standard for the quantification of balsalazide by GC- or LC-MS
Medchemexpress LLC Paquinimod-d5-1 | 248282-01-1 | 98.2% | 355.44 g·mol-1 | C21H17D5N2O3 | 5 MG
Paquinimod-d5-1 is a deuterated analog of paquinimod intended for research use as an isotopically labeled reference standard. It serves as an S100A8/S100A9 inhibitor surrogate for analytical, tracer, and pharmacokinetic studies.
- Isotopically labeled (d5) for tracer and mass spectrometry applications.
- High listed purity: 98.2%.
- Molecular weight 355.44 g·mol-1 for accurate dosing and calculations.
- Supplied as a 5 mg solid suitable for small-scale experiments.
- Molecular formula C21H17D5N2O3 with structural identifiers for verification.
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]
Medchemexpress LLC D-Erythrose-4-13C 5mg | 90913-08-9 | 121.10 g/mol | C3(13C)H8O4 | 5 MG
D-Erythrose-4-13C is the 13C-labeled form of D-erythrose supplied as a solution in water for research use. It serves as a tracer and internal standard for quantitative analysis by NMR, GC-MS, and LC-MS.
- 13C-labeled D-erythrose for tracer and quantitation
- Supplied as a solution in water at a defined concentration (0.107 M for listed sizes)
- Available in small, pre-measured sizes suitable for analytical workflows (5 mg, 10 mg, 25 mg)
- Molecular formula C3(13C)H8O4; molecular weight 121.10 g/mol
- Intended for research use only
Cambridge Isotope Laboratories WHO Coplanar Mono-Ortho PCB PCB-170 PCB-180 (unlabeled) 1 ug/mL in isooctane 1 2 mL
WHO Coplanar Mono-Ortho PCB PCB-170 PCB-180 (unlabeled) 1 ug/mL in isooctane 1 2 mL
Medchemexpress LLC Elimusertib-d3 (BAY 1895344-d3) | 98.9% | 378.45 g/mol | C20H18D3N7O | 5 MG
Elimusertib-d3 is the deuterium-labeled analog of elimusertib, a potent, orally active, selective ATR inhibitor with antitumor activity. The deuterated compound is provided as a solid for research use, and is designed for use as a tracer or internal standard in quantitative analytical methods.
- Deuterium-labeled internal standard for NMR, GC-MS, and LC-MS.
- High purity: 98.9%.
- Molecular formula C20H18D3N7O; molecular weight 378.45 g/mol.
- Supplied as a solid powder in milligram-scale sizes.
- Storage: powder -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months) or -20°C (1 month).
Cambridge Isotope Laboratories N,N-DIMETHYLFORMAMIDE (FORMYL-D, 98-99%), 5 G, 2914-27-4
N,N-DIMETHYLFORMAMIDE (FORMYL-D, 98-99%), 5 G, 2914-27-4
Selleck Chemical LLC Deoxycholic acid S4689-100mg
Deoxycholic acid (Deoxycholate Desoxycholic acid Cholerebic Cholorebic) is a cytolytic agent The physiologic effect of deoxycholic acid is by means of decreased cell membrane integrity Deoxycholic acid is specifically responsible for activating the G protein-coupled bile acid receptor TGR5 that stimulates brown adipose tissue (BAT) thermogenic activity
Cambridge Isotope Laboratories Benzyl butyl phthalate (unlabeled) 100 ug/mL in nonane 1 2 mL
Benzyl butyl phthalate (unlabeled) 100 ug/mL in nonane 1 2 mL
Medchemexpress LLC Adipic acid-d8 | 52089-65-3 | 99.7% | 154.19 g/mol | C6H2D8O4 | 10 MG
Adipic acid-d8 is the deuterium-labeled isotopologue of adipic acid (hexanedioic acid) used as an internal standard and reference material for analytical chemistry and mass spectrometry. It provides a predictable mass shift that supports accurate quantitation, method validation, and trace-level analysis in LC and GC workflows.
- Deuterium-labeled (d8) adipic acid for mass-shifted internal standardization.
- CAS number 52089-65-3 for unambiguous identification.
- Chemical formula C6H2D8O4 and molecular weight 154.19 g/mol.
- High chemical purity suitable for analytical use (reported 99.65%).
- Compatible with LC-MS/MS and GC-MS workflows.
- Supplied in small pack sizes appropriate for method development and standards preparation.
Medchemexpress LLC 1-Bromododecane-d3 | 204259-68-7 | 98.0% | 252.25 | 10 MG
1-Bromododecane-d3 is the deuterium-labeled version of 1-Bromododecane. It is intended for research purposes only. 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.
- Can be utilized as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Suitable for research applications during the drug development process
Medchemexpress LLC 2-Furoic acid-d3 | 40073-83-4 | 99.99% | 115.10 | 100 MG
2-Furoic acid-d3 is the deuterium labeled 2-Furoic acid. 2-Furoic acid (Furan-2-carboxylic acid) is an organic compound produced through furfural oxidation. 2-Furoic acid exhibits a hypolipidemic effect, lowering both serum cholesterol and serum triglyceride levels in rats. Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Propan-2-amine-d6 h 50mg
Propan-2-amine-d6 hydrochloride is the deuterium labeled Propan-2-amine[1]
Cayman Chemical LIthocholIc AcId-d4 5mg
An internal standard for the quantification of lithocholic acid by GC- or LC-MS