Isotopically Labeled Compounds
Cambridge Isotope Laboratories D-GLUCOSE (1,2,3-13C3, 99%), 0.05 G, 478529-32-7
D-GLUCOSE (1,2,3-13C3, 99%), 0.05 G, 478529-32-7
Medchemexpress LLC Alpha-D-glucose-13C | 287100-64-5 | MFCD08459778 | 99.4% | 181.15 g/mol | 13CC5H12O6 | 5 MG
Alpha-D-glucose-13C is a 13C-stable-isotope labeled form of alpha-D-glucose intended for research and analytical applications. It is used as a tracer and as an internal standard for quantitative studies in NMR, GC-MS, and LC-MS, and is supplied as a high-purity solid suitable for laboratory workflows.
- 13C-labeled tracer useful for metabolic flux and pathway studies.
- Suitable as an internal standard for quantitative NMR, GC-MS, and LC-MS assays.
- High chemical purity (99.4%).
- Available in small, precise package sizes for analytical workflows.
- White to off-white solid, soluble in water for preparation of aqueous solutions.
Medchemexpress LLC Hydroxyzine-d4 (dihydrochloride) | 1219805-91-0 | 98.0% | 1 MG
Hydroxyzine-d4 (dihydrochloride) is a deuterium-labeled form of Hydroxyzine. This compound acts as a heterocyclic histamine H1-receptor antagonist and possesses anticholinergic, anxiolytic, and analgesic properties.
- Can be used as a tracer.
- Serves as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Targets the H1 receptor.
- Molecular weight is 451.85.
- Chemical formula is C21H25D4Cl3N2O2.
- Purity (NMR) is 98.0%.
- Recommended storage for powder is -20°C for 3 years.
- Recommended storage in solvent is -80°C for 6 months or -20°C for 1 month.
Medchemexpress LLC Hyocholic Acid-d4 | 547-75-1 | 99% | 412.60 | 1 MG
Hyocholic Acid-d4 is the deuterium labeled Hyocholic Acid. It is for research use only and not sold to patients. This compound can be used as a tracer or as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis
- Suitable for NMR, GC-MS, or LC-MS applications
- Deuteration may affect pharmacokinetic and metabolic profiles
Cambridge Isotope Laboratories L-LYSINE:2HCL (6-13C, 99%), 0.25 G
L-LYSINE:2HCL (6-13C, 99%), 0.25 G
Medchemexpress LLC Betaine-d9 chloride | 285979-85-3 | 162.66 | 25 MG
Betaine-d9 chloride is a deuterium labeled Betaine chloride 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.
- Stable heavy isotopes of hydrogen, carbon, and other elements are incorporated for quantitation during drug development.
- Deuteration has the potential to affect pharmacokinetic and metabolic profiles of drugs.
- Purity of 99.66%.
- Appears as a white to off-white solid.
- Recommended storage at 4°C, sealed, away from moisture.
- For solutions, store at -80°C for 6 months or -20°C for 1 month, sealed and away from moisture.
Medchemexpress LLC Sorafenib-13C,d3 | 1210608-86-8 | 98.4% | 468.84 | C20(13C)H13D3ClF3N4O3 | 100 UG
Isotopically labeled sorafenib (13C and d3) intended as an analytical standard and internal standard for mass spectrometry, quantitation, and tracer studies. Supplied as a high-purity research reagent for method development and pharmacokinetic sample analysis. For research use only; not for human or clinical use.
- Isotopically labeled with 13C and three deuteriums.
- Suitable as an internal standard for LC-MS/MS assays.
- High purity suitable for quantitative analysis.
- Supplied in small vials for low-level calibration, e.g. 100 μg.
- Includes supporting documents such as COA and LC-MS data.
- Intended for research use only; not for clinical or human use.
Cambridge Isotope Laboratories L-PHENYLALANINE (2-13C, 99%) 97% CHEMICAL PURITY, 0.25 G
L-PHENYLALANINE (2-13C, 99%) 97% CHEMICAL PURITY, 0.25 G
Cayman Chemical LInoleoyl EthnolamIde-d4 500UG
An internal standard for the quantification of linoleoyl ethanolamide by GC- or LC-MS
Cayman Chemical Lignoceric Acid-d47, Purity: ≥99% deuterated forms (d1-d47), CAS: 68060-00-4, 25 mg
An internal standard for the quantification of lignoceric acid by GC- or LC-MS
Medchemexpress LLC Bisphenol A-d8 | 92739-58-7 | 99.3% | 236.34 | 1 MG
Bisphenol A-d8 is the deuterium labeled Bisphenol A. Bisphenol A is a phenolic, organic synthetic compound widely used in the production of polycarbonate plastics and epoxy resins. It is classified as a reproductive, developmental, and systemic toxicant, often considered an endocrine-disrupting compound (EDC). Bisphenol A is linked to various health issues including cardiovascular diseases, respiratory diseases, diabetes, kidney diseases, obesity, and reproductive disorders.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration can potentially affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Ketoprofen-d3 | 159490-55-8 | 99.8% | 1 MG
Ketoprofen-d3 is a deuterium labeled non-steroidal anti-inflammatory agent and a potent inhibitor of COX, with IC50s of 2 nM for COX-1 and 26 nM for COX-2 in human blood monocytes. It serves as a valuable tool for research involving quantitative analysis.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Entinostat-d4 | 380.43 | 1 MG
Entinostat-d4 is the deuterium labeled Entinostat. It is an oral and selective class I HDAC inhibitor, with IC50s of 243 nM, 453 nM, and 248 nM for HDAC1, HDAC2, and HDAC3, respectively.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
![Medchemexpress LLC Benzo[a]pyrene-d12 | 63466-71-7 | MFCD00143664 | 99.3% | 264.38 g/mol | C20D12 | 10 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000240647.png-250.jpg)
Medchemexpress LLC Benzo[a]pyrene-d12 | 63466-71-7 | MFCD00143664 | 99.3% | 264.38 g/mol | C20D12 | 10 MG
Benzo[a]pyrene-d12 is the deuterium-labeled isotopologue of benzo[a]pyrene supplied as a research-use analytical standard. It is used as an internal standard or tracer in studies of benzo[a]pyrene metabolism, quantification of polycyclic aromatic hydrocarbons (PAHs), and chemoprevention research. The isotopic label improves accuracy and precision in mass-spectrometry based assays.
- Deuterium-labeled internal standard for quantitative analysis.
- High isotopic and chemical purity suitable for trace-level measurements.
- Compatible with LC-MS and GC-MS workflows.
- Useful as a tracer in metabolism and chemoprevention studies.
- Supplied in small, accurately weighed quantities for analytical use.