Isotopically Labeled Compounds
Medchemexpress LLC Nordoxepin-d4 hydrochloride | 2249819-14-3 | 99.9% | 305.84 g/mol | C18H16D4ClNO | 5 MG
Nordoxepin-d4 hydrochloride is the deuterium-labeled analog of nordoxepin hydrochloride supplied for use as an isotopically labeled internal standard in analytical and research applications. It is provided as a high-purity solid suitable for method development, quantitation, and metabolite studies. For research use only.
- Deuterium-labeled internal standard for quantitative analysis.
- High purity (99.9%) for reliable analytical performance.
- Molecular formula C18H16D4ClNO; molecular weight 305.84 g/mol.
- Available in small milligram quantities for analytical workflows.
- Supplied as hydrochloride salt for stability in common solvents.
Cambridge Isotope Laboratories L-CYSTEINE (13C3, 97-99%; D3, 97-99%; 15N, 97-99%), 0.25 G
L-CYSTEINE (13C3, 97-99%; D3, 97-99%; 15N, 97-99%), 0.25 G
Cambridge Isotope Laboratories ACETIC ACID-D4 (D, 99.5%), 10 X 0.5ML, 1186-52-3
ACETIC ACID-D4 (D, 99.5%), 10 X 0.5ML, 1186-52-3
Medchemexpress LLC D-ribose-d5 | 99.1% | 155.16 g/mol | C5H5D5O5 | 5 MG
D-Ribose-d5 is the deuterium-labeled form of D-ribose (C5H5D5O5) used as a stable-isotope tracer and internal standard for analytical workflows. It is intended for quantitative metabolomics, tracer experiments, and structural studies by mass spectrometry and NMR, providing consistent performance in metabolic pathway analysis.
- Stable isotope-labeled tracer for metabolic studies.
- High isotopic purity for reliable quantitation.
- Suitable as an internal standard in MS and NMR assays.
- Available in analytical sizes (1-100 mg).
- Supports metabolic pathway tracing and flux analysis.
Cambridge Isotope Laboratories CORTISOL-21-SULFATE, SODIUM SA (9,11,12,12-D4, 98%) CHEMICAL , 1 MG
CORTISOL-21-SULFATE, SODIUM SA (9,11,12,12-D4, 98%) CHEMICAL , 1 MG
Medchemexpress LLC Deoxycholic acid-13C | 52886-37-0 | 393.56 | 5 MG
Deoxycholic acid-13C is the 13C-labeled Deoxycholic acid. Deoxycholic acid is specifically responsible for activating the G protein-coupled bile acid receptor TGR5 that stimulates brown adipose tissue (BAT) thermogenic activity.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
Cayman Chemical GrnIsetron-d3 1mg
An internal standard for the quantification of granisetron by GC- or LC-MS
Medchemexpress LLC GW2580-d6 | 2733770-48-2 | 98.4% | 372.45 g/mol | C20H16D6N4O3 | 5 MG
GW2580-d6 is the deuterium-labeled analogue of GW2580, a selective inhibitor of the colony-stimulating factor 1 receptor (CSF1R). Supplied as a white to off-white solid, this isotopically labeled standard is intended for use as an analytical reference, tracer, or internal standard in quantitative and pharmacokinetic studies.
- Deuterium-labeled compound for use as an isotopic standard and tracer.
- Selective CSF1R (c-Fms) inhibitor scaffold useful in kinase research.
- Purity ~98.4% suitable for analytical applications.
- Molecular weight 372.45 g/mol; formula includes six deuterium atoms.
- Soluble in DMSO (~100 mg/mL); sonication and warming aid dissolution.
- Powder stable at -20°C for long-term storage; store solutions frozen.
Medchemexpress LLC Thiabendazole-d4 | 1190007-20-5 | 98.8% | 205.27 g/mol | C10H3D4N3S | 10 MG
Thiabendazole-d4 is the deuterated isotopologue of thiabendazole, supplied as a solid stable isotope-labeled reference material for analytical and research use. It is formulated for use as an internal standard and reference in mass spectrometry and quantitative assays.
- Deuterated internal standard for mass spectrometry and quantitative assays.
- High chemical purity (98.84%) for reliable analytical performance.
- White to off-white solid, suitable for handling and weighing.
- Available in small, accurately weighed sizes for reference and calibration.
- Powder stable at -20°C for long-term storage; solvent stability is limited and should follow recommended conditions.
Cayman Chemical DIdnosIn-d2 500ug
An internal standard for the quantification of didanosine by GC- or LC-MS
Cayman Chemical Acephate-d3 1mg
An internal standard for the quantification of acephate by GC- or LC-MS
Cambridge Isotope Laboratories D-Glucose (6,6-D2, 99%) | 18991-62-3 | MFCD00064367 | 1g
D-Glucose (6,6-D2, 99%) | Putity: 98% | MW: 182.17 | 18991-62-3 | MFCD00064367 | 1g
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Revvity Health Sciences Inc Choline Chloride, [Methyl-3H]-, 1mCi (37MBq)
Choline Chloride, [Methyl-3H]-, 1mCi (37MBq)
Cayman Chemical TyramIn-d4hydrochlorIde 5mg
An internal standard for the quantification of tyramine by GC- or LC-MS