Isotopically Labeled Compounds
Medchemexpress LLC Amisulpride-d5 | 1216626-17-3 | 98.8% | C17H22D5N3O4S | 10MG
Amisulpride-d5 is the deuterium-labeled analogue of amisulpride used as a tracer and internal standard for quantitative analysis by NMR, GC-MS, and LC-MS. Supplied as a high-purity deuterated solid, it is intended for analytical and research applications where accurate quantitation is required.
- Deuterium-labeled internal standard for mass spectrometry and NMR.
- High deuteration purity (≈98.8%) for reliable quantitation.
- Suitable as tracer and internal standard in bioanalytical assays.
- Supplied as a 10 mg solid for small-scale analyses.
- Molecular formula C17H22D5N3O4S; molecular weight 374.51 g/mol.
Cambridge Isotope Laboratories Guanidinoacetic acid (1 2-13C2 97-99% 3-15N 97-99%) CP 97% 0 1 mg
Guanidinoacetic acid (1 2-13C2 97-99% 3-15N 97-99%) CP 97% 0 1 mg
Medchemexpress LLC Afatinib-d6 | 1313874-96-2 | 99.0% | 491.98 g/mol | C24H19D6ClFN5O3 | 5 MG
Afatinib-d6 is a deuterium-labeled isotopologue of afatinib supplied as a high-purity analytical reference for use in LC-MS/MS, pharmacokinetic studies, and other research requiring an internal standard. It is intended for analytical and research use where isotopic labeling improves quantitation and identification.
- Deuterium-labeled afatinib for use as an internal standard.
- Irreversible EGFR family inhibitor analog compatible with LC-MS/MS workflows.
- High purity (99.0%) suitable for analytical applications.
- Molecular weight 491.98 g/mol; formula C24H19D6ClFN5O3; CAS 1313874-96-2.
- Supplied in small quantities for analytical use (example: 5 mg vial).
Medchemexpress LLC Flibanserin-d4-1 | 2122830-91-3 | 99.3% | 394.43 g/mol | C20H17D4F3N4O | 10 MG
Flibanserin-d4-1 is a deuterium-labeled analog of flibanserin supplied as a solid research standard for analytical and pharmacokinetic applications. It functions as a 5-HT1A full agonist and a 5-HT2A antagonist and is used as an internal standard or tracer to support quantitative LC-MS and GC-MS methods and metabolic studies.
- Deuterium-labeled internal standard for analytical assays.
- High purity (~99.3%).
- Solid, white to off-white powder form.
- Molecular weight 394.43 g/mol.
- Available as a 10 mg pack.
- Suitable for LC-MS, GC-MS, and pharmacokinetic studies.
Medchemexpress LLC Nonanedioic-d14 acid | 119176-67-9 | MFCD00068296 | 99.9% | 202.31 | C9H2D14O4 | 10 MG
Azelaic acid-d14 is the deuterium-labeled isotopologue of azelaic acid (nonanedioic acid), supplied as a high-purity solid for use as a stable-isotope internal standard and tracer in analytical chemistry and metabolic studies.
- High isotopic and chemical purity suitable for analytical standards.
- Supplied as a solid for accurate weighing and solution preparation.
- Batch-specific certificate of analysis provided for verification.
- Appropriate for use as an internal standard in LC-MS/MS and GC-MS methods.
- Available in small-mass packaging sizes for reference standard applications.
Medchemexpress LLC D-(+)-glucose-d1-3 | 106032-60-4 | 99.9% | 181.16 g/mol | C6H11DO6 | 10 MG
D-Glucose-d1-3 is a deuterium-labeled form of D-(+)-glucose with a deuterium atom substituted at positions 1-3. It is provided as a high-purity labeled standard for tracer studies, metabolic research, and analytical applications.
- Deuterium-labeled at positions 1-3.
- Cas number 106032-60-4.
- Molecular formula C6H11DO6.
- Molecular weight 181.16 g/mol.
- Purity 99.9%.
- Available as a 10 mg vial.
- Storage: powder -20°C for long-term; in solvent -80°C for up to 6 months.
Medchemexpress LLC Canrenone-d7 (aldadiene-d7) | 976-71-6 | MFCD00071735 | 99.6% | 347.50 | C22H21D7O3 | 10 MG
Canrenone-d7 is a deuterium-labeled analogue of canrenone, an aldosterone antagonist commonly used as a diuretic. This isotopically labeled standard is supplied at high purity for analytical and research applications and is intended for use as a tracer or internal standard in quantitative analyses by NMR, GC-MS, or LC-MS.
- High isotopic labeling and purity for accurate quantitation.
- Suitable as a tracer or internal standard in NMR, GC-MS, and LC-MS.
- Supplied in small research-scale quantities for analytical workflows.
- Intended for research use only; not for human or therapeutic use.
- Stable when stored and handled according to safety data sheet recommendations.
Medchemexpress LLC L-serine (13C3,15N,d3) | 1994299-33-0 | 99.6% | 112.08 g/mol | ¹³C₃H₄D₃¹⁵NO₃ | 10 MG
Isotopically labeled L-serine for use as a tracer or internal standard in mass spectrometry and metabolic studies. Supplied for research use, the compound contains 13C, 15N, and deuterium labels and is characterized by high chemical purity.
- Isotopically labeled amino acid (13C3, 15N, d3)
- Intended for tracer studies and internal standard use in MS
- Purity 99.6% (GC)
- Molecular weight 112.08 g/mol
- CAS number 1994299-33-0
- Provided as a small research quantity suitable for analytical use
Medchemexpress LLC Nifedipine-d6 | 1188266-14-9 | 98.0% | 352.37 g/mol | C17H12D6N2O6 | 10 MG
Nifedipine-d6 is a deuterium-labeled analogue of nifedipine supplied for analytical and research use. It is used as an internal standard or tracer in quantitative assays (NMR, GC-MS, LC-MS) and in drug metabolism and pharmacokinetic studies, providing consistent isotopic labeling for reliable measurements.
- Deuterium-labeled internal standard for quantitative assays
- Purity 98.0%
- Molecular weight 352.37 g/mol
- Molecular formula C17H12D6N2O6
- CAS number 1188266-14-9
- Storage: powder -20°C (3 years), 4°C (2 years)
Medchemexpress LLC Sulfamethoxazole-d4 | 1020719-86-1 | MFCD03425632 | 98.2% | 257.30 g/mol | C10H7D4N3O3S | 10 MG
Sulfamethoxazole-d4 is a deuterium-labeled analogue of the sulfonamide antibiotic sulfamethoxazole, supplied as a high-purity powder for analytical and tracer applications. Intended as an isotope-labeled internal standard for quantitative LC-MS and related studies; molecular formula C10H7D4N3O3S, molecular weight 257.30 g/mol, CAS 1020719-86-1.
- Deuterium-labeled internal standard for quantitative LC-MS analysis.
- High purity suitable for LC-MS and other analytical methods.
- Powder form for easy dissolution and aliquoting.
- Stable under recommended storage conditions for long-term use.
- Applicable to studies of bacterial folate metabolism and related assays.
Medchemexpress LLC Acetylcholine-d9 bromide | 93449-32-2 | MFCD01073946 | 98.9% | 235.17 | C7H7D9BrNO2 | 10 MG
Acetylcholine-d9 bromide is the deuterium-labeled analogue of acetylcholine bromide used as a stable isotope standard or internal reference for quantitative bioanalytical methods such as LC-MS. It is supplied as a hygroscopic ionic salt in small milligram quantities for use in method development, calibration, and tracer studies.
- Deuterium-labeled internal standard for quantitative analysis.
- High purity suitable for analytical workflows.
- Supplied in small milligram quantities for trace-level assays.
- Molecular formula C7H7D9BrNO2; molecular weight 235.17.
- Store sealed at 4°C and protect from moisture.
American Radiolabeled Chemicals Inc 14C STNDRD PLASTIC-1 F
Carbon-14 Standards on Plastic Strips-1 each, 0.002-1000