Isotopically Labeled Compounds
BioVendor, LLC 1,25(OH)2 Vitamin D Extraction Cartridges (42 ct.)
Silica Extraction Cartridges for 1,25(OH)2 Vitamin D Total ELISA (42 ct.) For use with cat. no. RIS021R. Due to low levels and presence of similar metabolites, 1,25(OH)2 Vitamin D measurement requires extraction and separation by chromatography.
Medchemexpress LLC L-aspartic acid-13C4,15N | 202468-27-7 | MFCD00144566 | 98.0% | 138.07 | 13C4H7 15NO4 | 10 MG
L-Aspartic acid-13C4,15N is a stable isotope-labeled form of the amino acid L-aspartic acid used as a reference standard and tracer in analytical, metabolic, and mass spectrometry applications.
- Stable isotope-labeled (13C4, 15N) suitable as an internal standard for LC-MS/MS and quantitative assays.
- High purity; ≥98.0%.
- Molecular weight 138.07 provides consistent mass spectrometric behavior.
- Chemical formula 13C4H7 15NO4 reflects isotopic labeling.
- Supplied in small laboratory quantities for analytical workflows.
Medchemexpress LLC Nilotinib-d6 | 1268356-17-7 | MFCD15071309 | 100.0% | 535.55 | C28H16D6F3N7O | 10 MG
Nilotinib-d6 is a deuterium-labeled analytical standard of nilotinib used for quantitative bioanalytical and mass-spectrometry applications. It is intended as an internal standard for pharmacokinetic, metabolic, and stability studies involving nilotinib, providing consistent isotopic labeling for accurate measurement.
- Deuterium-labeled internal standard suitable for LC-MS/MS quantitation.
- High purity for reliable analytical performance.
- Molecular formula C28H16D6F3N7O and molecular weight 535.55.
- Supplied in small mass packs appropriate for laboratory use.
- Useful for pharmacokinetic, metabolic, and stability studies.
Cambridge Isotope Laboratories N-NITROSODIETHYL UNLABEL
This item has a minimum order quantity of 2 per supplier requirements
N-NITROSODIETHYL UNLABEL
Medchemexpress LLC Febuxostat-d7 | 1285539-74-3 | 99.1% | C16H9D7N2O3S | 10MG
Febuxostat-d7 is a deuterium-labeled analogue of febuxostat used as a stable-isotope internal standard for analytical and pharmacokinetic studies. It preserves the febuxostat scaffold and enables mass-differentiated tracer measurements by LC-MS for accurate quantitation.
- Deuterium labeled internal standard for analytical assays.
- Molecular formula C16H9D7N2O3S and molecular weight 323.42.
- High purity (99.06% by HPLC) suitable for quantitative analysis.
- White to off-white solid; store powder at -20°C and solutions at -80°C for long-term stability.
- Intended for research use only; not for human or clinical use.
Medchemexpress LLC Amiodarone-d10 hydrochloride | 1261393-77-4 | MFCD34567863 | 98.8% | C25H20D10ClI2NO3 | 10MG
Amiodarone-d10 hydrochloride is a deuterium-labeled analog of the antiarrhythmic agent amiodarone, supplied as the hydrochloride salt. It is used as a stable-isotope internal standard or tracer in analytical chemistry, pharmacokinetic studies, and other research applications.
- Deuterium-labeled internal standard for quantitative analysis
- Hydrochloride salt supplied as a solid
- High purity (98.8%) for reliable analytical performance
- Suitable for pharmacokinetic and tracer studies
- Available in laboratory-scale packaging for research use
Medchemexpress LLC Sertindole-d4 | 1794737-42-0 | 98.6% | C24H22D4ClFN4O | 10MG
Sertindole-d4 is the deuterium-labeled analogue of sertindole supplied as a stable-isotope internal standard for analytical workflows. Provided as a sealed powder with high purity and defined storage conditions, it supports accurate quantitation, ADME studies, and metabolite identification by LC-MS.
- Deuterium-labeled analogue for use as an internal standard.
- High purity suitable for analytical applications.
- Suitable for LC-MS quantitation and metabolite identification.
- Provided as a sealed powder for stable storage.
- Specific storage recommendations for long-term stability.
Medchemexpress LLC Haloperidol-d4-1 | 136765-35-0 | MFCD00673279 | 98.0% | C21H19D4ClFNO2 | 10MG
Haloperidol-d4-1 is a deuterium-labeled analogue of haloperidol provided as an analytical reference standard for laboratory and forensic research. It is intended for research use only and not for human or clinical use, and serves as an internal standard for quantitative mass spectrometry assays.
- Provides a stable isotopic internal standard for quantitative LC-MS and GC-MS analysis.
- High isotopic enrichment and consistent mass shift for accurate quantitation.
- High purity suitable for analytical and reference applications.
- White to off-white solid, easy to handle and store under standard conditions.
- Available in small reference sizes compatible with method development.
- Supplied for research use only; not for human or clinical use.
Medchemexpress LLC 5α-cholestane-2,2,3,3,4,4-d6 | 358731-18-7 | MFCD01861631 | >98.0% | C27H42D6 | 10MG
5α-Cholestane-d6 is the deuterium-labeled (d6) analog of 5α-cholestane supplied as an isotope-labeled reference standard for analytical and synthetic applications. It is intended for use as an internal standard in mass spectrometry, for tracer studies, and for synthetic chemistry where a high-purity, isotopically enriched cholestane derivative is required.
- Deuterium-labeled standard (d6) for isotope dilution and tracing.
- High chemical purity (>98.0%) suitable for analytical use.
- Isotopic enrichment approximately 95 atom % D for clear mass shift.
- Molecular formula C27H42D6; molecular weight 378.71.
- Provided in small quantities appropriate for reference and analytical workflows.
Medchemexpress LLC Deruxtecan-d5 | 00-00-0 | 98.4% | C52H51D5FN9O13 | 10MG
Deruxtecan-d5 is a deuterium-labeled derivative of deruxtecan supplied as an off-white to light yellow solid for use as a tracer or internal standard in quantitative analysis (NMR, GC-MS, LC-MS) and antibody-drug conjugate research. It is highly pure, readily soluble in DMSO, and should be stored cold and protected from moisture and light.
- deuterium-labeled internal standard for quantitative assays.
- high purity: 98.4%.
- solid form, off-white to light yellow.
- soluble in DMSO ≥ 100 mg/mL.
- storage: -20°C; in solvent -80°C for 6 months, -20°C for 1 month.
- suitable for tracer studies and ADC research.
Medchemexpress LLC 2-chloro-5-nitro-N-pyridin-4-ylbenzamide (d4) | 00-00-0 | MFCD00121849 | 281.69 | C12H4D4ClN3O3 | 5 MG
T0070907-d4 is the deuterium-labeled isotopologue of a selective PPARγ antagonist intended for research applications. It is used as an analytical or tracer standard and in mechanistic studies where isotope labeling improves detection, quantitation, or metabolic tracing.
- Deuterium-labeled isotopologue (d4) for tracer and analytical studies.
- Potent PPARγ antagonist suitable for receptor biology assays.
- Molecular formula C12H4D4ClN3O3; molecular weight 281.69.
- Available in small analytical quantities (e.g., 1 mg, 5 mg, 10 mg).
- Storage: powder -20°C; in solvent -80°C (6 months), -20°C (1 month).
- For research use only; not for human or clinical use.
Medchemexpress LLC Pyrimethanil-d5 | 2118244-83-8 | 99.0% | 1 MG
Pyrimethanil-d5 is the deuterium-labeled version of Pyrimethanil, an anilinopyrimidine and broad-spectrum contact fungicide. It controls Botrytis spp. on various crops by inhibiting the biosynthesis of methionine and other amino acids in *Botrytis cinerea*. It is suitable for research into fungal disease prevention in fruit, vegetable, and ornamental plants that have mold infections.
- Deuterium labeled compound.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes are incorporated for quantitation during drug development.
- Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Eperisone-d10 hydrochloride | 1246819-46-4 | 5 MG
Eperisone-d10 hydrochloride | 1246819-46-4 | 5 MG
Medchemexpress LLC Sodium propionate-¹³C | 62601-06-3 | 99.6% | 100 MG
Sodium propionate-13C is the 13C labeled Propionate sodium, an orally active short-chain fatty acid produced by intestinal bacteria from dietary fiber. It is used in research for its various biological activities. Stable heavy isotopes like carbon-13 have been incorporated into drug molecules as tracers for quantitation during drug development, with deuteration also affecting pharmacokinetic and metabolic profiles.
- Increases PPAR-γ
- Inhibits NF-κB activation
- Reduces COX-2 expression and NO production
- Induces apoptosis and autophagy
- Reduces HSV-1-induced keratitis
- Has anticancer effects against glioblastoma
- Exhibits neuroprotective, antioxidant, and anti-inflammatory activities
- Can be used in the research of spinal cord injury and Alzheimer's disease
![Medchemexpress LLC Benzenemethanol, 4-amino-3,5-dichloro-α-[[[1,1-di(methyl-d3)ethyl-2,2,2-d3]amino]methyl]- | 129138-58-5 | ≥99.0% | 5 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000411662-logo.png-250.jpg){kind=logo}
Medchemexpress LLC Benzenemethanol, 4-amino-3,5-dichloro-α-[[[1,1-di(methyl-d3)ethyl-2,2,2-d3]amino]methyl]- | 129138-58-5 | ≥99.0% | 5 MG
Clenbuterol-d9 is a deuterium labeled form of Clenbuterol. Clenbuterol (NAB-365) is a β2-adrenergic receptor agonist with an EC50 of 31.9 nM. This compound is intended for research use only.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.