Other Solvents
Medchemexpress LLC Guanine-13C,15N2 | 202407-12-3 | 98.6% | 154.11 g/mol | C4(13C)H5N3(15N)2O | 5mg
Guanine-13C 15N2 is the 13C and 15N labeled Guanine[1] Guanine (2-Aminohypoxanthine) is one of the fundamental components of nucleic acids (DNA and RNA) Guanine is a purine derivative consisting of a fused pyrimidine-imidazole ring system with conjugated double bonds
Medchemexpress LLC Ethyl octanoate-d15 | 1219798-38-5 | 98.0% | 187.36 g/mol | C10H5D15O2 | 5 MG
Ethyl octanoate-d15 is the deuterium-labeled analogue of ethyl octanoate supplied as a stable isotope reference standard for analytical and research use. It is intended for use as an internal standard in quantitative mass spectrometry, method development, and tracer studies, offering consistent isotopic enrichment and reliable chemical purity.
- Stable isotope internal standard for GC-MS and LC-MS
- High chemical purity and isotopic enrichment
- Liquid form, readily soluble in common organic solvents
- Suitable for quantitative analysis and method validation
- Long-term stability when stored frozen
Medchemexpress LLC Delafloxacin-d5 | 189279-58-1 | 99.8% | 445.79 | 1 MG
Delafloxacin-d5 is a deuterium labeled version of Delafloxacin, a broad-spectrum fluoroquinolone antibiotic. It exhibits activity against drug-resistant bacteria such as Staphylococcus aureus, Streptococcus pneumoniae, and Klebsiella pneumonia.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Agomelatine-d3 | 1079389-38-0 | 98.0% | 246.32 | 1 MG
Agomelatine-d3 is the deuterium labeled version of Agomelatine. It functions as a specific agonist of MT1 and MT2 receptors and a selective 5-HT2C receptor antagonist.
- 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 5Z,8Z,11Z,14Z-Eicosatetraenoic-16,16,17,17,18,18,19,19,20,20,20-d11 acid | 2692624-11-4 | 98.0% | 315.53 | 100 MG
Arachidonic acid-d11 is the deuterium labeled Arachidonic acid, an essential fatty acid and a major constituent of biomembranes. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs. This product has been tested and complies with the given specifications. Solution, -20°C, 2 years.
- Target: Endogenous Metabolite; Isotope-Labeled Compounds
- Pathway: Metabolic Enzyme/Protease; Others
- Appearance: Colorless to light yellow (Liquid)
Medchemexpress LLC Sulfabrom-d4 | 2374858-36-1 | 361.25 | 5 MG
Sulfabrom-d4 (N 3517-d4) is the deuterium labeled Sulfabrom. It is a long-acting Sulfonamide used for the treatment of coccidiosis and various bacterial infections in poultry, swine, and cattle.
- Target: Isotope-labeled compounds
- Pathway: Others
- Solvent and solubility: DMSO at 100 mg/mL (276.82 mM); need ultrasonic
- Caution: Product has not been fully validated for medical applications. For research use only.
Medchemexpress LLC Undecanoic acid-d21 | 60658-40-4 | 207.42 | 100 MG
Undecanoic acid-d21 is a deuterium-labeled version of undecanoic acid, a monocarboxylic acid with antifungal properties. It functions by inhibiting the production of exocellular keratinase, lipase, and the biosynthesis of several phospholipids in *T. rubrum*. Deuteration can affect the pharmacokinetic and metabolic profiles of drugs, making this compound useful for research applications.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Inhibits production of exocellular keratinase, lipase, and biosynthesis of phospholipids in *T. rubrum*
- Suitable for drug development studies due to potential impact on pharmacokinetic and metabolic profiles
Medchemexpress LLC Glycerol tristearate-d105 | 125941-88-0 | 99.6% | 997.13 g·mol⁻¹ | C57H5D105O6 | 5 MG
Tristearin-d105 is the deuterium-labeled form of tristearin, a triglyceride composed of three stearic acid units. Supplied as a high-purity, isotope-labeled standard, it is intended for research use as a tracer or internal standard in quantitative analyses and for formulation studies involving lipid-based delivery systems.
- Deuterium-labeled triglyceride for tracing studies.
- High purity suitable for quantitative NMR, GC-MS, and LC-MS.
- Suitable as an internal standard for mass spectrometry assays.
- Applicable to solid-lipid nanoparticle formulation research.
- Supplied in small, weighed quantities optimized for analytical workflows.
Medchemexpress LLC N-(3-((1R)-1-((6R)-4-Hydroxy-2-oxo-6-((1R)-2-(phenyl-d5)ethyl-1,2-d2)-6-propyl-5,6-dihydro-2H-pyran- | 174484-41-4 | 98.9% | 609.71 g/mol | C31H26D7F3N2O5S | 10 MG
Tipranavir-d7 is a deuterium-labeled isotopologue of an HIV-1 protease inhibitor provided as a high-purity research standard for analytical and tracer studies. It is intended for use as an internal standard in LC-MS, pharmacokinetic experiments, and method development where isotopic labeling improves quantitation and compound tracking.
- Deuterated (d7) isotopic label suitable for tracer and internal standard use.
- High isotopic enrichment for improved mass discrimination.
- High purity: 98.9% (HPLC).
- Molecular weight 609.71 g/mol and formula C31H26D7F3N2O5S.
- Supplied as a small mass (10 MG) solid for analytical workflows.
- Appropriate for LC-MS method development and quantitative studies.
Medchemexpress LLC Ethyl 4-hydroxybenzoate-d4 | 1219795-53-5 | 170.20 | C9H6D4O3 | 10 MG
Ethylparaben-d4 is the deuterium-labeled analog of ethyl 4-hydroxybenzoate supplied for research use as an isotopically labeled internal standard or tracer for quantitative analysis by NMR, GC-MS, and LC-MS. It contains four deuterium atoms (d4) to enable mass discrimination and accurate quantitation.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS applications.
- Molecular formula C9H6D4O3 and molecular weight 170.20.
- Available in small analytical quantities (commonly 1 mg, 5 mg, 10 mg).
- For research use only; not for human or clinical use.
Medchemexpress LLC (2S)-Gemcitabine-13C,15N2 hydrochloride | 1262897-74-4 | 99.6% | C813CH12ClF2N15N2O4 | 1 MG
(2S)-Gemcitabine-13C,15N2 hydrochloride is a 13C and 15N labeled version of (2S)-Gemcitabine hydrochloride. It is intended for research use only. Stable heavy isotopes, such as those incorporated into this drug molecule, are used as tracers for quantitation during drug development, with deuteration specifically noted for its potential impact on 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 Citric acid-d4 | 147664-83-3 | MFCD00209702 | 99.3% | 196.15 | C6H4D4O7 | 10 MG
Citric acid-d4 is the deuterium-labeled form of citric acid supplied as a white to off-white solid. It serves as a stable-isotope reference standard for analytical workflows, including mass spectrometry, NMR, isotopic tracer experiments, and quantitative assays. Molecular formula C6H4D4O7; molecular weight 196.15; purity 99.31%.
- Deuterium labeled (d4) for isotope dilution and tracer studies.
- High purity for reliable quantitation.
- Solid form simplifies weighing and solution preparation.
- Available in small research-sized pack quantities.
- Stable when stored sealed away from moisture and light.
American Radiolabeled Chemicals Inc PITAVASTATIN 3-3H 50UC
Pitavastatin-3-3H 50uCi in ethanol, 1 mCi/ml, 20-30 Ci/mmol, M.W. 421.46, Shipped in Dry Ice, Exclusive
Medchemexpress LLC Piperacillin-d5 | 61477-96-1 | 96.0% | 522.59 | C23H22D5N5O7S | 10 MG
Piperacillin-d5 is a deuterium-labeled (d5) analogue of the β-lactam antibiotic piperacillin supplied as a solid powder for use as an internal standard and tracer in quantitative analyses by NMR, GC-MS, and LC-MS. The d5 labeling enables mass-based discrimination with minimal alteration of chemical properties, making it suitable for pharmacokinetic and bioanalytical studies.
- Deuterium-labeled (d5) internal standard for quantitative analysis.
- Solid powder form for analytical sample preparation.
- Purity approximately 96.0%.
- Molecular weight 522.59 g/mol; formula C23H22D5N5O7S.
- Offered in small pack sizes for analytical workflows (for example, 10 mg).
Cayman Chemical Eplerenon-d3 2.5mg
An internal standard for the quantification of eplerenone by GC- or LC-MS