Isotopically Labeled Compounds
Cambridge Isotope Laboratories Carbamazepine (unlabeled) 100 ug/mL in acetonitrile 1 2 mL
Carbamazepine (unlabeled) 100 ug/mL in acetonitrile 1 2 mL
Cambridge Isotope Laboratories N-Oleoyl-D-sphingosine (ceramide d18 1/18 1 (9z)) (oleoyl-U-13C18 99%) CP 95% 0 1 mg
N-Oleoyl-D-sphingosine (ceramide d18 1/18 1 (9z)) (oleoyl-U-13C18 99%) CP 95% 0 1 mg
Medchemexpress LLC Fenthion-d6 | 1189662-83-6 | MFCD08273872 | >98.0% | 284.37 g/mol | C10H9D6O3PS2 | 5 MG
Fenthion-d6 is a deuterium-labeled analogue of the organophosphorus insecticide fenthion provided as a research standard for analytical and tracer applications. It is intended for laboratory use in method development, calibration, and quantitative mass spectrometry workflows; purity and recommended storage conditions are referenced in the product Certificate of Analysis.
- Deuterium-labeled tracer for LC-MS/MS and GC-MS applications.
- Enables accurate quantitation when used as an internal standard.
- Molecular formula C10H9D6O3PS2; molecular weight 284.37 g/mol.
- Available in small milligram pack sizes suitable for analytical standards.
- For research use only; refer to the Certificate of Analysis for purity and storage.
Medchemexpress LLC 16:0-18:1 PS-d31 sodium | 327178-96-1 | MFCD02259271 | 99.1% | 815.18 g/mol | C40H44NO10PNaD31 | 5 MG
16:0-18:1 PS-d31 sodium is a deuterium-labeled phosphatidylserine (PS) lipid supplied as the sodium salt for research use. The d31 isotopic label enables sensitive mass spectrometry tracing and quantification in lipidomics and metabolic studies. Supplied in small research quantities, it is intended for laboratory applications only.
- Deuterium-labeled phosphatidylserine sodium salt for isotope tracing.
- High purity (99.08%) suitable for analytical applications.
- Optimized for mass spectrometry and lipidomics workflows.
- Useful as an internal standard or tracer in metabolic studies.
- Available in small research quantities for laboratory experiments.
Medchemexpress LLC Dimethyl adipate-d4 (hexanedioic acid dimethyl ester-d4) | 55724-08-8 | 99.4% | 178.22 g·mol⁻¹ | C8H10D4O4 | 50 MG
Dimethyl adipate-d4 is a deuterium-labeled analog of dimethyl adipate supplied as a high-purity isotopic standard for analytical and research use. It is intended for use in mass spectrometry, quantitative analysis, and synthetic applications where a deuterated reference is required. Supplied as a small-scale research vial for laboratory use only.
- High isotopic labeling for reliable mass spectrometric quantitation.
- Purity 99.4% (GC) for consistent analytical performance.
- Molecular weight 178.22 g·mol⁻¹ for accurate calculations.
- Chemical formula C8H10D4O4 indicates deuterium substitution.
- Stable liquid form suitable for standard preparation and spiking.
- Intended for research use only; not for human or clinical use.
Cambridge Isotope Laboratories Mono-(3-carboxypropyl)phthalate (ring-1 2-13C2 dicarboxyl-13C2 99%) 100 ug/mL in MTBE 1 2 mL
Mono-(3-carboxypropyl)phthalate (ring-1 2-13C2 dicarboxyl-13C2 99%) 100 ug/mL in MTBE 1 2 mL
Cambridge Isotope Laboratories Glycan-N16-13C-Gal8 8 ([galactose-13C6 99%]2) 500 pmol
Glycan-N16-13C-Gal8 8 ([galactose-13C6 99%]2) 500 pmol
Medchemexpress LLC Choline-d4 chloride | 285979-70-6 | 99.9% | 5 MG
Choline-d4 (chloride) is the deuterium-labeled version of Choline chloride. Choline chloride is an organic compound and a quaternary ammonium salt. It acts as an acyl group acceptor and a substrate for choline acetyltransferase. Additionally, it is an important feed additive, particularly for chickens, where it helps accelerate growth. It is intended for research use only and not for sale to patients.
- Deuterium labeled
- Can be used as a tracer
- Can serve as an internal standard for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS
- Stable heavy isotopes, when incorporated into drug molecules, have the potential to influence the pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Imipramine-d4 hydrochloride | 61361-33-9 | 99.95% | 5 MG
Imipramine-d4 (hydrochloride) is the deuterium-labeled Imipramine hydrochloride. Imipramine hydrochloride is an orally active tertiary amine tricyclic antidepressant and a Fascin1 inhibitor with antitumor activities. It also inhibits serotonin transporter with an IC50 value of 32 nM. Imipramine hydrochloride stimulates U-87MG glioma cells autophagy and induces HL-60 cell apoptosis, showing neuroprotective and immunomodulatory effects.
- Deuterium labeled Imipramine hydrochloride
- Orally active tertiary amine tricyclic antidepressant
- Fascin1 inhibitor with antitumor activities
- Inhibits serotonin transporter (IC50 value of 32 nM)
- Stimulates U-87MG glioma cells autophagy
- Induces HL-60 cell apoptosis
- Shows neuroprotective and immunomodulatory effects
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cambridge Isotope Laboratories L-ASPARAGINE:H2O (15N2, 98%), 0.25 G, 287484-32-6
L-ASPARAGINE:H2O (15N2, 98%), 0.25 G, 287484-32-6
Medchemexpress LLC Tristearin-d9 | 285979-76-2 | MFCD01075451 | >=98.0% | 900.54 g/mol | C57H101D9O6 | 5 MG
Tristearin-d9 is the deuterium-labeled form of tristearin, a triglyceride made from three stearic acid units. It is used as a stable isotope-labeled standard in analytical and metabolic research, supporting accurate quantitation and tracing in lipid studies.
- Deuterium-labeled triglyceride for use as an internal standard in analytical methods.
- High isotopic enrichment (≈99 atom % D) and ≥98% chemical purity for reliable quantitation.
- Appropriate for mass spectrometry and lipid metabolism tracing studies.
- Supplied in a research-scale quantity suitable for method development.
- Stable under typical storage conditions; follow provided handling instructions and documentation.
Medchemexpress LLC 1,3-diphenylurea-d10 | 108009-46-7 | 99.0% | 222.31 g·mol-1 | C13H2D10N2O | 10 MG
1,3-Diphenylurea-d10 is a deuterium-labeled analogue of 1,3-diphenylurea used as a stable isotope reagent and internal standard in analytical and tracer studies. Supplied in small research quantities, it is intended for use in mass spectrometry method development, quantitative analysis, and mechanistic experiments requiring isotopic labeling.
- Deuterium-labeled internal standard for mass spectrometry and tracer studies.
- High purity (99.0%) suitable for quantitative analysis.
- Molecular weight approximately 222.31 g·mol-1; formula C13H2D10N2O.
- Supplied in small research pack sizes for analytical workflows.
- Defined storage recommendations for neat and solvent conditions to preserve stability.
Revvity Health Sciences Inc Phosphorus-32 Radionuclide, 2mCi (74MBq), Specific Activity: 900-1100mCi (33.3-40.7GBq)/mmol, Monopotassium Phosphate In 1mL Water
Phosphorus-32 Radionuclide, 2mCi (74MBq), Specific Activity: 900-1100mCi (33.3-40.7GBq)/mmol, Monopotassium Phosphate In 1mL Water
Cayman Chemical Sulfamethoxazole-d4, Purity: ≥99% deuterated forms (d1-d4); ≤1% d0, CAS: 1020719-86-1, 10 mg
An internal standard for the quantification of sulfamethoxazole by GC- or LC-MS