Isotopically Labeled Compounds
Medchemexpress LLC (E/Z)-Triprolidine-d8 hydrochloride | 1795134-06-3 | 1 MG
(E/Z)-Triprolidine-d8 hydrochloride is a deuterium-labeled version of (E/Z)-Triprolidine hydrochloride. Deuteration of drug molecules, often with stable heavy isotopes, can affect their pharmacokinetic and metabolic profiles, making them valuable as tracers for quantitation during drug development.
- Used as a tracer.
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Cinacalcet-d4 hydrochloride | 2514927-75-2 | ≥98.0% | 397.90 g/mol | C22H19D4ClF3N | 2.5 MG
Cinacalcet-d4 hydrochloride is a deuterium-labeled analogue of cinacalcet provided as the hydrochloride salt for use as an isotopically labeled internal standard in analytical and research workflows, particularly LC-MS quantitation. It has molecular formula C22H19D4ClF3N, molecular weight 397.90 g/mol, and typical purity ≥98.0%.
- Deuterium-labeled internal standard suitable for LC-MS quantitation.
- Hydrochloride salt form for stable handling and solubility in common solvents.
- D4 isotopic labeling reduces interference from native analyte peaks.
- High purity (≥98.0%) supports accurate and reproducible results.
- Available in small mass packages for reference standard and trace-level analysis.
Cambridge Isotope Laboratories Adenine (8-13C 95% may contain up to 7% 2-13C) 10 mg
Adenine (8-13C 95% may contain up to 7% 2-13C) 10 mg
Medchemexpress LLC Rifabutin-d7 (ansamycin-d7; LM-427-d7) | 2747918-39-2 | 98.4% | 854.05 | 5 MG
Rifabutin-d7 is the deuterium labeled Rifabutin. Rifabutin (Ansamycin) is a semisynthetic ansamycin antibiotic with potent antimycobacterial properties, and it inhibits DNA-dependent RNA polymerase. It is for research use only and not sold to patients.
- 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.
- Impact of deuterium substitution: 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.
Medchemexpress LLC Ranolazine-d3 | 1054624-77-9 | MFCD00864690 | 99.5% | 430.56 | C24H30D3N3O4 | 10 MG
Deuterium-labeled ranolazine (d3) for research use as an analytical tracer and internal standard. The compound inhibits the late inward sodium current (INa) and the rapid delayed rectifier potassium current (IKr), and acts as a partial fatty acid oxidation inhibitor; it is intended for method development and quantitative analysis by NMR, GC-MS, and LC-MS.
- Deuterium-labeled tracer suitable for quantitation and metabolic studies.
- Purity 99.5%.
- Molecular formula C24H30D3N3O4; molecular weight 430.56.
- Soluble ≥100 mg/mL in DMSO for in vitro applications.
- Recommended storage: powder at -20°C (3 years) or 4°C (2 years); in solvent at -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC Torsemide-d7 | 1189375-06-1 | 99.8% | 355.46 | C16H13D7N4O3S | 10 MG
Torsemide-d7 is the deuterium-labeled analogue of the loop diuretic torsemide, provided as a high-purity analytical reference standard for use in mass spectrometry and pharmacokinetic studies. Supplied as a 10 mg vial for use as an internal standard or tracer in LC-MS/MS workflows; for research use only.
- Deuterium-labeled internal standard for torsemide
- High purity 99.8% suitable for quantitative analysis
- Molecular weight 355.46 g/mol
- Supplied as a 10 mg vial
- Intended for research use only, not for human or clinical use
Medchemexpress LLC Veratrole-d2 | 203645-56-1 | 99.7% | 100 MG
Veratrole-d2 is the deuterium labeled form of Veratrole (1,2-Dimethoxybenzene), a key compound widely present in plants. It attracts pollinators and is significant in plant reproduction, species differentiation, and ecological interactions. This compound can also be demethylated by cytochrome P-450. The incorporation of stable heavy isotopes like deuterium into drug molecules is primarily used as a tracer for quantitation during drug development, and has shown potential to influence the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled compound
- Useful as a tracer in drug development processes
- Potential to impact pharmacokinetic and metabolic profiles
- Plays a role in plant reproduction and pollinator attraction
Cambridge Isotope Laboratories Everolimus (2-hydroxyethyl-D4 98%) 1 mg
Everolimus (2-hydroxyethyl-D4 98%) 1 mg
Cambridge Isotope Laboratories DL-NOREPINEPHRINE:HCL (RING-D3,1,2,2-D3, 99%), 5 MG, 1219803-04-9
DL-NOREPINEPHRINE:HCL (RING-D3,1,2,2-D3, 99%), 5 MG, 1219803-04-9
Cambridge Isotope Laboratories GLYCAN-N36-13C-GAL6,6',6'' ([GALACTOSE-13C6, 99%]3)*, 500 PMOL
GLYCAN-N36-13C-GAL6,6',6'' ([GALACTOSE-13C6, 99%]3)*, 500 PMOL
Cambridge Isotope Laboratories ARACHIDIC ACID (12,12,13,13-D4, 98%), G
ARACHIDIC ACID (12,12,13,13-D4, 98%), G
Medchemexpress LLC 1-Hexanol-d13 | 204244-84-8 | MFCD00144898 | 98.8% | 115.25 g/mol | C6HD13O | 5 MG
1-Hexanol-d13 is the deuterium-labeled analogue of 1-hexanol used primarily as an internal standard and tracer for quantitative analytical methods. It enables accurate measurement in NMR, GC-MS, and LC-MS workflows and supports metabolite and pharmacokinetic studies.
- Deuterium-labeled tracer for accurate quantitation.
- Purity 98.8% for reliable analytical performance.
- Molecular weight 115.25 g/mol and formula C6HD13O.
- Liquid, colorless to light yellow physical state.
- Stable under recommended storage conditions for long-term use.
- Suitable for NMR, GC-MS, and LC-MS internal standard applications.
- Useful for metabolite profiling and pharmacokinetic studies.