Isotopically Labeled Compounds
Medchemexpress LLC Sudan III-d6 | 1014689-17-8 | 93.0% | 358.43 g/mol | C22H10D6N4O | 10 MG
Sudan III-d6 is a deuterium-labeled analogue of the hydrophobic bisazo dye Sudan III, supplied as a research-grade isotopic standard. It contains six deuterium atoms (d6), has formula C22H10D6N4O, and an exact molecular weight of 358.43 g/mol. Typical uses include internal standard and tracer applications in analytical chemistry and mass spectrometry.
- Deuterium-labeled (d6) isotopic standard.
- Hydrophobic bisazo dye for analytical use.
- Purity 93.0% (as provided).
- Available in small milligram packs for standards and calibration.
- Storage: powder -20°C (3 years), 4°C (2 years); in solvent -80°C (6 months), -20°C (1 month).
Medchemexpress LLC Ethephon-d4 | 1020719-29-2 | >98.0% | 148.52 g/mol | C2H2D4ClO3P | 5 MG
Ethephon-d4 is the deuterium-labeled analogue of ethephon supplied as a stable-isotope reference material for tracer and quantitative analytical applications. It is provided as a white to off-white solid suitable for use as an internal standard in laboratory workflows, with storage and handling recommendations for low-temperature, sealed conditions.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS methods.
- White to off-white solid, easy to handle.
- High isotopic enrichment and chemical purity (>98.0%).
- Supplied in pre-weighed milligram quantities for analytical use.
Medchemexpress LLC Piribedil-d8 | 1398044-45-5 | MFCD28900715 | 99.8% | 306.39 | C16H10D8N4O2 | 5 MG
Piribedil-d8 is the deuterium-labeled analogue of piribedil used primarily as an internal standard or tracer for quantitative analytical methods. Supplied as a white to off-white solid with high isotopic and chemical purity, it is intended for use in NMR, GC-MS, and LC-MS assays and pharmacokinetic studies. Store and handle according to manufacturer recommendations.
- Deuterium-labeled internal standard for accurate quantitation
- High purity suitable for analytical and bioanalytical workflows
- Soluble in DMSO for convenient stock solution preparation
- Stable when stored under recommended temperature conditions
- Applicable as tracer and internal standard in mass spectrometry and NMR analyses
Medchemexpress LLC Deuterium labeled MCPA | 352431-14-2 | 98.0% | 203.64 | C9H6D3ClO3 | 10 MG
MCPA-d3 is the deuterium-labeled analog of the phenoxyacetic acid herbicide MCPA, provided as a solid for research applications. It is used as a tracer or internal standard for quantitative analysis and for studies of herbicide action and metabolism.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS methods.
- Off-white solid provided in a 10 mg quantity.
- Purity ≥98.0% for analytical use.
- CAS number 352431-14-2 to aid substance identification.
- Recommended storage: powder at -20°C for long-term stability.
Carbosynth LLC. 4-Nitrophenyl-N-acetyl-beta-D-galactosaminide, 14948-96-0, MFCD00067360, 2.5 g
Formula: C14H18N2O8, Molecular weight: 342.31 g/mol, 98%, Store at -15°C, Synonymsp-Nitrophenyl-2-acetamido-2-deoxy-beta-D-galactoside.
Medchemexpress LLC Apremilast-d5 | 1258597-47-5 | 99.3% | 10 MG
Apremilast-d5 is a deuterium-labeled analogue of apremilast supplied as a purified analytical standard for use as a tracer or internal standard in quantitative methods. It is provided as a 10 mg powder and is intended for research use only.
- Deuterium-labeled internal standard for quantitative NMR, GC-MS, and LC-MS.
- High purity suitable for analytical reference use.
- Supplied as a 10 mg powder with storage recommendations for long-term stability.
- Molecular weight 465.53 g/mol and formula C22H19D5N2O7S.
- Intended for research use only; not for human or veterinary use.
Medchemexpress LLC Lamivudine-13C,d2 | 2714473-70-6 | 232.26 g/mol | C7(13C)H9D2N3O3S | 1 MG
Lamivudine-13C,d2 is an isotopically labeled form of lamivudine used as a stable-isotope reference and tracer in analytical and research applications. The compound carries 13C and deuterium labels and is provided in small packaged quantities suitable for analytical standards and method development.
- Isotopically labeled with 13C and deuterium.
- Intended for use as a stable-isotope reference or internal standard.
- Suitable for mass spectrometry and LC-MS/MS method development.
- Provided in small packaged quantities for analytical use.
- CAS number: 2714473-70-6.
- Molecular weight 232.26 g/mol.
Medchemexpress LLC Amantadine-d15 hydrochloride | 33830-10-3 | MFCD01317436 | >95.0% | 202.80 g/mol | C10H3D15ClN | 1 MG
Amantadine-d15 hydrochloride is the deuterium-labeled hydrochloride salt of amantadine supplied as a stable isotope reference material for analytical and research use. It is intended for use as an internal standard in mass spectrometry, metabolic tracing, and pharmacokinetic studies, and is provided in small quantities suitable for laboratory workflows.
- Deuterium-labeled hydrochloride salt (d15) for analytical applications.
- Molecular formula C10H3D15ClN; molecular weight 202.80 g/mol.
- High purity; reported as >95% (HPLC) for reference-grade material.
- Used as an internal standard in MS, metabolic tracing, and pharmacokinetic assays.
- Packaged in small quantities for laboratory use (for example, 1 mg).
Medchemexpress LLC Tempone-15N,d16 (4-oxo-Tempo-15N,d16) | 80404-14-4 | 1 MG
Tempone-15N,d16 is the deuterium and 15N labeled Tempone, serving as a tracer and an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Stable heavy isotopes of hydrogen, carbon, and other elements are incorporated into drug molecules, primarily as tracers for quantitation during drug development. Deuteration can impact the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer and internal standard
- Suitable for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuterium and 15N labeled compound
- Solid appearance, light yellow to yellow color
- Soluble in DMSO (requires ultrasonic and warming)
Medchemexpress LLC Lidocaine-d10 hydrochloride | 1189959-13-4 | MFCD08705335 | 99.6% | 280.86 g/mol | C14H13D10ClN2O | 10 MG
Lidocaine-d10 hydrochloride is the deuterium-labeled hydrochloride salt of lidocaine supplied for research use. It is intended as an internal standard or tracer in analytical chemistry, mass spectrometry, and pharmacokinetic studies, and for research into sodium channel modulation.
- Deuterium-labeled hydrochloride salt for use as an internal standard.
- Molecular weight 280.86 g/mol; CAS number 1189959-13-4.
- High purity (≈99.6%) suitable for analytical applications.
- Available in small pack sizes for reference standards, including 10 mg.
- Store powder at -20°C for long-term stability; in solvent store at -80°C for extended storage.
Medchemexpress LLC Linuron-d6 | 1219804-76-8 | 99.8% | 255.13 g/mol | C9H4D6Cl2N2O2 | 10 MG
Linuron-d6 is the deuterium-labeled isotopologue of the phenylurea herbicide linuron, provided as a high-purity analytical standard for use as an internal standard or tracer in quantitative NMR, GC-MS, and LC-MS analyses.
- High purity (99.8%).
- Molecular formula C9H4D6Cl2N2O2 and molecular weight 255.13 g/mol.
- Intended for use as an internal standard or tracer in analytical workflows.
- Available in small pack sizes suitable for reference standards.
Cambridge Isotope Laboratories L-VALINE (D8, 96%; 15N, 96%), 0.5 G
L-VALINE (D8, 96%; 15N, 96%), 0.5 G
Cambridge Isotope Laboratories Creatine (Methyl-D3) | 143827-20-7 | MFCD00190410 | 0.25 g
Creatine (Methyl-D3) | Purity: 97% | Mol Wt: 134.15 | 143827-20-7 | MFCD00190410 | 0.25 g
Medchemexpress LLC Proguanil-d6 | 99.31% | 500 UG
Proguanil-d6 is a deuterium-labeled prophylactic antimalarial agent, derived from Proguanil.
- Functions as a tracer
- Serves as an internal standard for quantitative analysis via NMR, GC-MS, or LC-MS
- Targets Plasmodium
- Solid appearance, ranging from white to off-white
- Molecular formula: C11H10D6ClN5
- Molecular weight: 259.77
Cambridge Isotope Laboratories 3 4-Dibromo-3 4-diCB (13C12 99%) 40 ug/mL in nonane 3 mL
3 4-Dibromo-3 4-diCB (13C12 99%) 40 ug/mL in nonane 3 mL