Isotopically Labeled Compounds
Cayman Chemical CarboplatIn-d4 1mg
An internal standard for the quantification of carboplatin by GC- or LC-MS
Cayman Chemical StearIc AcId-d5 1mg
An internal standard for the quantification of stearic acid by GC- or LC-MS
Medchemexpress LLC Olaparib-d8 | MFCD13185161 | 99.6% | 442.51 g·mol^-1 | C24H15D8FN4O3 | 10 MG
Olaparib-d8 is the deuterium-labeled analog of olaparib, a potent PARP1/PARP2 inhibitor. This isotopically labeled compound is intended for research use, especially as an internal standard in LC-MS/MS quantitation and tracer studies. The compound has formula C24H15D8FN4O3 and a molecular weight of 442.51 g·mol⁻1.
- Deuterium-labeled internal standard for LC-MS/MS.
- High isotopic purity suitable for quantitative analyses.
- Validated by RP-HPLC and LC-MS for purity assessment.
- Provided as a small-quantity research reagent (10 mg).
- Suitable for tracer and pharmacokinetic studies.
Medchemexpress LLC D-erythro-sphingosine (C20 sphingosine) | 6918-49-6 | MFCD08703032 | 99.0% | 327.55 g·mol⁻¹ | C20H41NO2 | 5 MG
C20-Sphingosine is a long-chain sphingoid base (D-erythro-sphingosine, C20) used in studies of neural development and sphingolipid biology. Supplied as a high-purity solid for in vitro research, it is suitable for experiments investigating lipid signaling, metabolism, and cellular development.
- Long-chain sphingoid base used to study neural development and sphingolipid biology.
- High purity (≥99.0%).
- Molecular formula C20H41NO2; molecular weight 327.55 g·mol⁻¹.
- Supplied as a solid, suitable for dissolution in common organic solvents.
- Recommended storage: powder at -20°C; in solvent store at -80°C (short term) or -20°C.
- Intended for research use only; not for clinical or therapeutic use.
Medchemexpress LLC D-phenylalanine-d8 | 1202064-02-5 | 98.3% | 173.24 g/mol | C9H3D8NO2 | 1mg
D-Phenylalanine-d8 is the deuterium labeled D-Phenylalanine D-Phenylalanine is the synthetic dextro isomer of phenylalanine D-Phenylalanine inhibits biofilm development of Pseudoalteromonas sp SC2014[1]
![Revvity Health Sciences Inc Epibatidine, ([<sup>125</sup>I]-IPH), [<sup>125</sup>I]-, 10µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/VN00001872-502097613.JPG-250.jpg)
Revvity Health Sciences Inc Epibatidine, ([125I]-IPH), [125I]-, 10µCi
Epibatidine, ([125I]-IPH), [125I]-, 10µCi
Medchemexpress LLC D-ribose-d2 | 478506-32-0 | MFCD08459971 | 98.0% | 152.14 g/mol | C5H8D2O5 | 10 MG
D-Ribose-d2 is the deuterium-labeled form of D-ribose used as a stable isotope standard and tracer in metabolic and biochemical research. It is supplied as a solid with high stated purity and is available in multiple pre-weighed sizes for analytical and preparative workflows.
- Deuterium-labeled standard for metabolic tracing.
- High purity suitable for analytical applications.
- Available in multiple pre-weighed sizes, including 10 mg.
- Solid form with long-term stability when stored frozen.
- Provided with datasheet, certificate of analysis, and safety data sheet.
Medchemexpress LLC Robenidine-d8 hydrochloride | 1173097-77-2 | 99.0% | 378.71 g/mol | C15H6D8Cl3N5 | 10 MG
Robenidine-d8 hydrochloride is the deuterium-labeled hydrochloride salt of robenidine, provided as a high-purity analytical standard for laboratory research. It is used in biochemical and microbiological studies, including investigations of antimicrobial activity and analytical method development.
- Deuterium-labeled analog of robenidine.
- Hydrochloride salt form for improved stability.
- High purity suitable for analytical applications.
- Provided in a small research quantity for laboratory use.
- Useful in antimicrobial and method-development studies.
Apexbio Technology LLC D-erythro-Sphingosine (synthetic) 123-78-4 100mg
D-erythro-Sphingosine (synthetic) is an amino alcohol featuring a long-chain unsaturated hydrocarbon backbone Predominant in mammalian systems sphingosine serves as a structural component of sphingolipids alongside its analog sphinganine Functionally sphingosine modulates a variety of cellular processes by acting as a bioactive signaling molecule notably influencing pathways involved in cell growth differentiation and apoptosis In biomedical research D-erythro-Sphingosine is widely utilized to investigate sphingolipid metabolism signal transduction mechanisms and the role of sphingolipid derivatives in physiological and pathological states
Medchemexpress LLC 1,2-propylene-d6 carbonate | 202480-74-8 | MFCD00142486 | 98.7% | 108.13 | C4D6O3 | 10 MG
1,2-Propylene-d6 carbonate (CAS 202480-74-8) is the deuterium-labeled analogue of 1,2-propylene carbonate, supplied as a colorless to light yellow liquid for use as an isotopically labeled reagent or analytical standard in research applications such as NMR, isotopic tracing, and mass spectrometry.
- Deuterium-labeled (d6) isotopic enrichment.
- High purity (98.65%).
- Molecular formula C4D6O3 and molecular weight 108.13.
- Appearance: colorless to light yellow liquid.
- Product page includes datasheet and safety data sheet for handling information.
Medchemexpress LLC Tamoxifen-d3 hydrochloride | 00-00-0 | 99.0% | C26H27D3ClNO | 10MG
Tamoxifen-d3 hydrochloride is a deuterium-labeled analogue of tamoxifen supplied as a white to off-white solid. It is used as an internal standard and tracer in mass spectrometry, pharmacokinetic studies, and analytical method development, providing a distinct mass shift from the unlabeled compound for accurate quantitation and identification.
- Deuterium-labeled for mass-spectrometry differentiation.
- High purity suitable for analytical standards and tracer studies.
- Solid form simplifies handling and storage.
- Stable under recommended storage conditions for reproducible results.
- Suitable for pharmacokinetic and bioanalytical method development.
Cayman Chemical ConIvaptn-d4 500ug
An internal standard for the quantification of conivaptan by GC- or LC-MS
Medchemexpress LLC Fumaric acid-d2 | 24461-32-3 | MFCD00144378 | 99.0% | 118.08 g·mol⁻1 | C4H2D2O4 | 5 MG
Fumaric acid-d2 is the deuterium-labeled isotopologue of fumaric acid provided for laboratory research. It is used as a tracer or analytical standard in mechanistic and metabolic studies where deuterium labeling is required. The material is offered in small milligram quantities with high chemical and isotopic purity and is intended for research use only.
- High isotopic purity (99.0%).
- Chemical formula C4H2D2O4; molecular weight 118.08 g·mol⁻1.
- High solubility in DMSO (≥100 mg/mL).
- Available in small pack sizes suitable for analytical work.
- Powder storage: -20°C (up to 3 years) or 4°C (up to 2 years).
- For research use only; not for human or clinical use.
Apexbio Technology LLC Nortriptyline (hydrochloride) 894-71-3 100mg
Nortriptyline hydrochloride (CAS 894-71-3) is a dibenzocycloheptene-derived tricyclic antidepressant that inhibits monoamine reuptake transporters It selectively blocks the norepinephrine transporter (NET) with a Ki of 3 4 nM and inhibits the serotonin transporter (SERT) with a Ki of 161 nM thereby increasing synaptic concentrations of these neurotransmitters in the central nervous system In vitro nortriptyline dose-dependently suppresses spontaneous migration and chemotaxis of human polymorphonuclear cells In vivo studies in rodents indicate partial blockade of noradrenaline depletion in nerve terminals at higher doses Nortriptyline is frequently employed in research on monoaminergic neurotransmission and antidepressant pharmacology
Medchemexpress LLC Azelaic acid-d14 | 119176-67-9 | 99.86% | 5 MG
Azelaic acid-d14 is the deuterium labeled Azelaic acid. Azelaic acid is an organic compound produced by the ozonolysis of oleic acid; it is also a component of a number of hair and skin conditioners. It is for research use only and not sold to patients.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuterium substitution has the potential to affect the pharmacokinetic and metabolic profiles of drugs.