Phenol esters
Medchemexpress LLC Acetylsalicylic acid-d3 | 921943-73-9 | MFCD09752106 | 98.5% | C9H5D3O4 | 10MG
Aspirin-d3 (acetylsalicylic acid-d3) is the deuterium-labeled analogue of aspirin used as a stable isotope internal standard in analytical and research workflows. It is provided in small research-scale quantities and is intended for use in quantitative mass spectrometry, method development, and pharmacokinetic or metabolic studies.
- Deuterium-labeled internal standard for mass spectrometry.
- Chemical formula C9H5D3O4.
- High purity suitable for analytical workflows (≈98.5%).
- White to off-white solid, stable under standard storage conditions.
- Available in small milligram quantities for method development.
Medchemexpress LLC Acetylsalicylic acid-d3 | 921943-73-9 | MFCD09752106 | 98.5% | 183.18 g/mol | C9H5D3O4 | 5 MG
Aspirin-d3 (acetylsalicylic acid-d3) is a deuterium-labeled analogue of aspirin provided for laboratory research. It is used as a stable-isotope internal standard or tracer in analytical, pharmacokinetic, and biochemical studies where a labeled form of aspirin is required. This compound is for research use only and is not for human consumption or clinical applications.
- Molecular formula C9H5D3O4.
- Molecular weight 183.18 g/mol.
- High reported purity (~98.5%).
- Soluble in DMSO for convenient sample preparation.
- Supplied in small research pack sizes such as 5 mg for method development and standards.
- Suitable as an internal standard for LC-MS and related assays.
Medchemexpress LLC Acetylsalicylic acid-d4 | 97781-16-3 | MFCD06658866 | 97.7% | 184.18 g/mol | C9H4D4O4 | 5 MG
Aspirin-d4 (acetylsalicylic acid-d4) is a deuterium-labeled analogue of aspirin intended for use as an internal standard in quantitative GC-MS and LC-MS assays. Supplied in small vials, it provides a stable isotopic reference for analytical and pharmacokinetic studies requiring accurate measurement of aspirin levels.
- Deuterium-labeled internal standard for aspirin quantification.
- Suitable for GC-MS and LC-MS analytical methods.
- High purity (97.7%) for reliable analytical performance.
- Molecular formula C9H4D4O4; molecular weight 184.18 g/mol.
- Available in small vial package sizes, including 5 mg.
- CAS number 97781-16-3 for unambiguous identification.
Medchemexpress LLC Aspirin-d3 (Acetylsalicylic acid-d3) | 921943-73-9 | 99.8% | 183.18 | 1 MG
Aspirin-d3 is the deuterium labeled Aspirin. Aspirin (Acetylsalicylic acid) is an orally active, potent and irreversible inhibitor of cyclooxygenase COX-1 and COX-2. It induces apoptosis, inhibits NF-κB activation, and inhibits platelet prostaglandin synthetase.
- Used as a tracer
- Internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Prevents coronary artery and cerebrovascular thrombosis
- Deuteration may affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC 2-(4-Fluorophenyl)acetic acid-d2 | 113715-48-3 | 156.15 | 25 MG
2-(4-Fluorophenyl)acetic acid-d2 is the deuterium labeled 2-(4-Fluorophenyl)acetic acid. This compound can be used as a tracer and 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.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes of hydrogen, carbon, and other elements.
- Potential to affect the pharmacokinetic and metabolic profiles of drugs.