Isotopically Labeled Compounds
Medchemexpress LLC L-Carnosine-d4 | 2714339-90-7 | 99.0% | 230.26 | 1 MG
L-Carnosine-d4 is the deuterium-labeled version of L-Carnosine. L-Carnosine is a dipeptide composed of the amino acids beta-alanine and histidine, and it has the potential to mitigate many biochemical changes associated with aging.
- Deuterium-labeled L-carnosine.
- 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 incorporated into drug molecules can affect pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Ac-D-Ala-OH-d4 | 2708343-30-8 | 99.0% | 135.15 | 10 MG
Ac-D-Ala-OH-d4 is the deuterium labeled Ac-D-Ala-OH.
- Powder storage: -20°C for 3 years; 4°C for 2 years
- In solvent storage: -80°C for 6 months; -20°C for 1 month
- Product is for research use only
Medchemexpress LLC TCEP-d16 hydrochloride | 1174025-33-2 | 97.0% | 302.75 | 10 MG
TCEP-d16 hydrochloride | 1174025-33-2 | 97.0% | 302.75 | 10 MG
Medchemexpress LLC 2-Carboxyphenol-d4 | 78646-17-0 | 99.8% | 142.15 g·mol⁻¹ | C7H2D4O3 | 1 MG
2-Carboxyphenol-d4 is a deuterium-labeled analogue of 2-carboxyphenol intended for use as a tracer or internal standard in quantitative analytical methods. The d4 labeling improves accuracy for isotope-dilution experiments and facilitates detection by NMR, GC-MS, and LC-MS. The compound is provided in milligram-scale packages with high reported purity.
- Deuterium-labeled (d4) for isotopic tracing
- High reported purity (99.83%)
- Suitable as an internal standard for NMR, GC-MS, and LC-MS
- Molecular formula C7H2D4O3; molecular weight 142.15 g·mol⁻¹
- Supplied in milligram-scale packages for analytical use
Medchemexpress LLC D-ribose-13C | 70849-24-0 | MFCD00064325 | 99.9% | 151.12 g/mol | (13C)C4H10O5 | 100 MG
D-ribose-13C is a stable isotope-labeled form of D-ribose supplied as a white to off-white solid for laboratory research. It is used as a positional tracer in metabolic and biochemical studies to follow ribose incorporation and quantify metabolic flux by analytical techniques such as NMR and mass spectrometry. The material is high purity and packaged in small quantities for research-scale experiments.
- 13C-labeled at carbon-1 for positional tracing.
- High purity suitable for analytical applications.
- White to off-white solid form for easy handling and storage.
- Compatible with NMR and mass spectrometry workflows.
- Available in small package sizes for research-scale experiments.
- Intended for research use only; not for human consumption.
Medchemexpress LLC N-Carbamimidoyl-N-(methyl-d3)glycine-2,2-d2 hydrate | 99.9% | 154.18 g/mol | C4H6D5N3O3 | 10 MG
Creatine-d5 monohydrate is a deuterium-labeled isotopic standard of creatine monohydrate designed for research and analytical applications. It is used as an internal standard in mass spectrometry and other bioanalytical assays to improve quantitation accuracy and traceability in metabolic and pharmacokinetic studies.
- High isotopic enrichment for reliable mass-differentiation.
- High chemical purity (99.93%).
- Molecular formula: C4H6D5N3O3.
- Molecular weight: 154.18 g/mol.
- Provided with certificate of analysis and datasheet.
- Available in small pack sizes suitable for analytical use.
- Suitable as an internal standard for LC-MS applications.
Medchemexpress LLC 1-octan-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-d17-ol | 153336-13-1 | 99.1% | 147.33 g/mol | C8HD17O | 100 MG
1-Octanol-d17 is the deuterium-labeled analog of 1-octanol used as an isotopic/internal standard and tracer in analytical and research applications. The heptadeuterio (d17) isotopologue provides a predictable mass shift for accurate quantitation in mass spectrometry and NMR studies.
- High isotopic labeling (d17) for unambiguous mass-shifted signals.
- High purity (GC) suitable for analytical and quantitative work.
- Available in small pack sizes for trace-level experiments.
- Suitable as an internal standard in GC-MS and LC-MS workflows.
- Stable when stored under recommended conditions; follow SDS for handling.
Medchemexpress LLC Adipic acid-d8 | 52089-65-3 | 99.7% | 154.19 g/mol | C6H2D8O4 | 100 MG
Adipic acid-d8 is the deuterium-labeled form of adipic (hexanedioic) acid supplied as a high-purity isotopic standard for analytical and research applications. It is used as an internal standard, tracer, or calibration reference in mass spectrometry, NMR, and method development.
- Deuterium-labeled (d8) for clear mass shifts in MS analyses.
- High purity suitable for use as an analytical reference material.
- Compact 100 mg quantity convenient for laboratory workflows.
- Known molecular weight and formula for accurate calculations.
- Suitable for quantitative LC-MS/MS, GC-MS, and NMR applications.
Medchemexpress LLC 1-hexanol-d11 | 2159-18-4 | MFCD08705002 | 99.3% | 113.24 | C6H3D11O | 10 MG
1-Hexanol-d11 is the deuterium-labeled analogue of 1-hexanol supplied for analytical and research applications. It is intended for use as an isotope-labeled reagent or internal standard in mass spectrometry, NMR, and tracer studies, providing spectral clarity and reliable quantitation.
- High isotopic purity supporting accurate mass spectrometry and tracer experiments.
- High chemical purity to minimize interfering signals in analyses.
- Suitable as an internal standard for quantitative workflows.
- Compatible with MS and NMR analytical techniques.
- Available in multiple small pack sizes for method development and routine use.
- Specified storage conditions to preserve long-term stability.
Medchemexpress LLC N,N-dimethyl-4-(phenyldiazenyl)aniline-d5 | 1398109-08-4 | MFCD22565739 | 99.0% | 230.32 g/mol | C14H10D5N3 | 25 MG
Methyl yellow-d5 (N,N-dimethyl-4-(phenyldiazenyl)aniline-d5) is the deuterium-labeled isotopologue of methyl yellow supplied as a high-purity analytical reference standard. It is intended for use as a tracer or internal standard in mass spectrometry and other analytical workflows, and is provided with high isotopic enrichment and defined storage recommendations.
Medchemexpress LLC Glycolic acid-d2 | 75502-10-2 | 98.5% | 78.06 | C2H2D2O3 | 5 MG
Glycolic acid-d2 is the deuterium-labeled analogue of glycolic acid used as an analytical standard and tracer in biochemical and cosmetic research. It functions as a tyrosinase inhibitor that suppresses melanin formation and is suitable for metabolic, enzymatic, and mass-spectrometry studies requiring isotopic labeling.
- Deuterium-labeled for mass spectrometry tracing and isotope studies.
- Reported high purity suitable for analytical applications.
- White to off-white solid form for easy handling and storage.
- Stable when stored frozen; recommended conditions available in product documentation.
- Available in small packaging sizes for use as standards and internal controls.
Medchemexpress LLC Hexanedioic acid dimethyl ester-d8 | 52089-64-2 | 10mg
Dimethyl adipate-d8 (Hexanedioic acid dimethyl ester-d8) is the deuterium labeled Dimethyl adipate (HY-W015301) Dimethyl adipate is an aliphatic dicarboxylate compound Dimethyl adipate is mainly used as a plasticizer and an intermediate in organic synthesis
Medchemexpress LLC 1-bromoheptane-d15 | 98195-42-7 | MFCD01073970 | >98.0% | 194.19 | C7D15Br | 10 MG
1-Bromoheptane-d15 is the deuterium-labeled analogue of 1-bromoheptane used as an isotopic tracer and internal standard in analytical and synthetic workflows. It is supplied in small, pre-weighed quantities for laboratory use, has a molecular weight of 194.19, and appears as a colorless to light yellow liquid. This product supports mass spectrometry, tracer studies, and method development.
Medchemexpress LLC Isonicotinamide-d4 | 1219799-40-2 | 99.9% | 126.15 | 5 MG
Isonicotinamide-d4 is the deuterium labeled Isonicotinamide.
- 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 Isonicotinamide-d4 | 1219799-40-2 | 99.9% | 126.15 | 50 MG
Isonicotinamide-d4 is the deuterium labeled Isonicotinamide. It is intended for research use only and not for sale to patients. Stable heavy isotopes like deuterium have been incorporated into drug molecules for use as tracers in drug development, and deuteration has shown potential to influence the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS.