Isotopically Labeled Compounds
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.
Cambridge Isotope Laboratories D-MANNOSE (U-13C6, 99%), 0.25 G, 287100-74-7
D-MANNOSE (U-13C6, 99%), 0.25 G, 287100-74-7
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.
Cambridge Isotope Laboratories 8-HYDROXY-2'-DEOXYGUANOSINE (15N5, 98%) 95% CHEMICAL PURITY, 0.1 MG, 569649-11-2
8-HYDROXY-2'-DEOXYGUANOSINE (15N5, 98%) 95% CHEMICAL PURITY, 0.1 MG, 569649-11-2
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.
Medchemexpress LLC Nateglinide-d5 | 1227666-13-8 | 98.0% | 5 MG
Nateglinide-d5 is a deuterium-labeled derivative of Nateglinide, a D-phenylalanine derivative. Nateglinide acts as an orally active and short-acting insulinotropic agent and a DPP IV inhibitor. It inhibits ATP-sensitive K+ channels in pancreatic β-cells and is used in the treatment of type 2 (non-insulin-dependent) diabetes mellitus.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis methods such as NMR, GC-MS, or LC-MS
Medchemexpress LLC Ethylenethiourea-d4 | 352431-28-8 | 106.18 | 1 MG
Ethylenethiourea-d4 is the deuterium labeled Ethylenethiourea. Ethylenethiourea is a degradation product of the ethylenebisthiocarbamate group of fungicides. Ethylenethiourea is tumorigenic and teratogenic, and it is orally active.
- 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.
Cambridge Isotope Laboratories SUBERIC ACID (2,2,7,7-D4, 98%), 1 G, 19031-57-3
SUBERIC ACID (2,2,7,7-D4, 98%), 1 G, 19031-57-3
Medchemexpress LLC Acetamide-2,2,2-d3, N-(methyl-d3) | 3669-73-6 | MFCD01073934 | 98.6% | 79.13 g/mol | C3HD6NO | 1 MG
N-Methylacetamide-d6 is the deuterium-labeled analogue of N-methylacetamide provided as a high-purity stable isotope reagent for analytical and research applications. It is used as an internal standard and reference in mass spectrometry, NMR, and tracer studies.
- High isotopic purity for accurate quantitation and spectral referencing.
- Suitable as an internal standard for mass spectrometry analyses.
- Provides a deuterium-labeled reference for NMR experiments.
- Supplied in small, precise quantities for method development.
- Certificate of analysis and safety data sheet available.
- Molecular weight 79.13 g/mol, formula C3HD6NO.
Cayman Chemical Lyso-PAF C-16-d4 100ug
An internal standard for the quantification of PAF C-16 by GC- or LC-MS.
Cambridge Isotope Laboratories GLYCAN-O20-13C-GAL4 (GALACTOSE-13C6, 99%), 500 PMOL
GLYCAN-O20-13C-GAL4 (GALACTOSE-13C6, 99%), 500 PMOL
Medchemexpress LLC Hypoxanthine-d4 | 2483831-32-7 | 99.7% | 140.14 | C5D4N4O | 10 MG
Hypoxanthine-d4 is the deuterium-labeled analog of hypoxanthine used as an analytical internal standard and tracer in mass spectrometry and biochemical assays. It provides a stable isotope reference for quantification in studies of purine metabolism and hypoxia.
- Deuterium-labeled internal standard for LC/GC-MS quantification.
- High purity (99.7%) suitable for analytical applications.
- Molecular formula C5D4N4O and molecular weight 140.14 g/mol.
- Soluble in DMSO at 10 mg/mL; ultrasonic and warming recommended.
- Store sealed at 4°C; in solution store at -80°C (6 months) or -20°C (1 month).