Isotopically Labeled Compounds
Medchemexpress LLC Sotalol-d6 hydrochloride | 1246820-85-8 | 98.0% | 314.86 | C12H15D6ClN2O3S | 10 MG
Sotalol-d6 hydrochloride is the deuterium-labeled isotopologue of sotalol hydrochloride provided as the hydrochloride salt for use as a stable-isotope reference standard in analytical and pharmacokinetic research. The deuterated compound is intended for tracer, quantitation, and internal standard applications in LC-MS workflows.
- Deuterium-labeled internal standard for LC-MS quantitation.
- Hydrochloride salt form for stability and solubility.
- High purity (≈98.0%) suitable for analytical use.
- Suitable for pharmacokinetic and tracer studies.
- Available in small reference pack sizes (for example, 10 mg).
Medchemexpress LLC D-(+)-glucose-d12-1 | 89798-27-6 | 99.4% | 192.23 g/mol | C6D12O6 | 10 MG
D-Glucose-d12-1 is a deuterium-labeled form of D-glucose (C6D12O6) intended for use as an isotopic tracer and as a quantitative internal standard in analytical methods. It is supplied as a high-purity crystalline powder for laboratory research and analytical workflows.
- Uniformly deuterated glucose (C6D12O6).
- High purity: 99.4%.
- Used as tracer and internal standard for NMR, GC-MS, and LC-MS.
- Supplied as a stable crystalline powder suitable for analytical preparation.
- Recommended storage: powder at -20°C for long-term stability.
Medchemexpress LLC Clomipramine-d3 hydrochloride | 1398065-86-5 | 100.0% | 10 MG
Clomipramine-d3 hydrochloride is the deuterium-labeled hydrochloride salt of clomipramine supplied as a high-purity solid for use as an analytical standard and stable-isotope tracer in research applications such as mass spectrometry, pharmacokinetics, and isotope-dilution assays.
- Deuterated internal standard for mass spectrometry and isotope-dilution workflows.
- Hydrochloride salt form supplied as a solid, white to off-white.
- High purity suitable for analytical applications (99.98% reported).
- Molecular weight 354.33; formula C19H21D3Cl2N2.
- Packaged as 10 MG; store at -20°C, sealed, protect from moisture.
Cambridge Isotope Laboratories PYRIDINE-D5 (D, 99.5%), 50 G, 7291-22-7
PYRIDINE-D5 (D, 99.5%), 50 G, 7291-22-7
Medchemexpress LLC Amantadine-d6 | 1219805-53-4 | MFCD19704894 | 98.1% | 157.29 | C10H11D6N | 10 MG
Amantadine-d6 is a deuterium-labeled analogue of amantadine supplied as a stable isotope standard for research and analytical applications, including mass spectrometry, metabolic, and pharmacokinetic studies.
- Deuterium-labeled (d6) amantadine for stable isotope applications.
- High chemical and isotopic purity (98.1%).
- Molecular formula C10H11D6N; molecular weight 157.29.
- Suitable as an internal standard for LC-MS/MS and other analytical methods.
- Available in small-mass packaging for analytical workflows (e.g., 10 MG).
Medchemexpress LLC Donepezil-d5 | 1128086-25-8 | 99.3% | C24H24D5NO3 | 1 MG
Donepezil-d5 is a deuterium-labeled version of Donepezil, a potent and specific AChE inhibitor. It has IC50 values of 8.12 nM for bovine AChE and 11.6 nM for human AChE. Deuteration, the incorporation of stable heavy isotopes into drug molecules, is used as a tracer during drug development and can influence 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 Diethylamine-d10hydr 100mg
Diethylamine-d10 hydrobromide is the deuterium labeled Diethylamine hydrobromide[1]
Medchemexpress LLC Octanoic acid-d3 | 156779-05-4 | MFCD00190494 | 99.1% | 147.23 g/mol | C8H13D3O2 | 10 MG
Octanoic acid-d3 is the deuterium-labeled (d3) analogue of octanoic (caprylic) acid provided as a high-purity isotopically labeled reagent for analytical and tracer applications. It is supplied as an oily liquid in small-quantity vials intended for use as internal standards in quantitative analyses such as NMR, GC-MS, and LC-MS.
- Deuterium-labeled internal standard for quantitative analysis.
- High isotopic enrichment (99.1% d3).
- Molecular weight 147.23 g/mol and formula C8H13D3O2.
- Supplied in small quantities suitable for analytical workflows.
- Suitable for NMR, GC-MS, LC-MS, and tracer studies.
Medchemexpress LLC Acetaminophen-d3 | 60902-28-5 | MFCD06658893 | 99.0% | 154.18 g/mol | C8H6D3NO2 | 10 MG
Acetaminophen-d3 is the deuterium-labeled analogue of acetaminophen used as a tracer and internal standard for quantitative analysis by NMR, GC-MS, and LC-MS. It is supplied as a high-purity solid suitable for analytical research applications.
- High-purity deuterium-labeled standard (99.0%).
- Intended for use as tracer or internal standard in NMR, GC-MS, and LC-MS quantitative analysis.
- Supplied as a solid for analytical workflows and small-scale assays.
- Stable when stored as a powder at -20°C for extended periods.
Medchemexpress LLC Stearic acid-d7 | 951209-59-9 | 98.0% | 291.52 g/mol | C18H29D7O2 | 10 MG
Stearic acid-d7 is the deuterium-labeled analogue of stearic acid used as an isotopic internal standard and tracer in mass spectrometry and metabolic studies. It is chemically identical to native stearic acid but contains seven deuterium atoms, allowing mass differentiation while preserving chromatographic behavior. Supplied at high purity for analytical applications.
- Deuterium-labeled (d7) stearic acid
- High purity (98.0%)
- Molecular weight 291.52 g/mol
- Suitable as an internal standard for LC-MS/MS and GC-MS quantitation
- Provided as a 10 MG analytical pack
Medchemexpress LLC 4-butylphenol-d5 | 1219795-04-6 | 98.0% | 155.25 g·mol^-1 | C10H9D5O | 10 MG
4-Butylphenol-d5 is a deuterium-labeled analogue of 4-butylphenol used as an isotopically labeled standard or tracer in analytical and research applications. It is supplied in small, research-scale quantities for laboratory use and intended for scientific research only.
- Deuterium-labeled compound suitable as an internal standard in mass spectrometry.
- High reported purity for reliable analytical performance.
- Molecular formula provided to support quantitation and identification.
- Available in small, convenient pack sizes for research workflows.
Medchemexpress LLC Maleic hydrazide-d2 | 2398483-97-9 | 99.3% | 114.10 g/mol | C4H2D2N2O2 | 10 MG
Maleic hydrazide-d2 is the deuterium-labeled form of maleic hydrazide supplied for research use. It is used as a plant growth regulator and herbicide and is suitable as an isotopically labeled internal standard or tracer for analytical methods such as NMR, GC-MS, and LC-MS.
- Deuterium-labeled compound (d2) for tracer and standard use.
- Molecular formula C4H2D2N2O2 and molecular weight 114.10 g/mol.
- High purity suitable for analytical applications.
- Offered in small research quantities for laboratory workflows.
- Store powder at -20°C (3 years) or 4°C (2 years); in solvent at -80°C (6 months).
- Intended for research use only; not for clinical or patient use.
Cambridge Isotope Laboratories ARACHIDIC ACID (METHYL-D3, 98%) (CHEMICAL PURITY 97%), 0.1 G, 202480-70-4
ARACHIDIC ACID (METHYL-D3, 98%) (CHEMICAL PURITY 97%), 0.1 G, 202480-70-4
Medchemexpress LLC L-glutamine-d5 (L-glutamic acid 5-amide-d5) | 14341-78-7 | MFCD00144600 | 99.8% | 151.18 g/mol | C5H5D5N2O3 | 10 MG
L-Glutamine-d5 is a deuterium-labeled analogue of L-glutamine supplied as a stable isotope standard for research applications, including metabolic studies and mass spectrometry. It is provided as a solid with high chemical and isotopic purity and is intended for research use only (not for human use).
- Deuterium-labeled isotopologue of L-glutamine.
- High purity (99.8%).
- Molecular weight approximately 151.18 g/mol.
- Chemical formula: C5H5D5N2O3.
- Supplied in small milligram pack sizes suitable for analytical standards.
- Store sealed, away from moisture and light; in solvent: -80°C (up to 6 months), -20°C (up to 1 month).