Isotopically Labeled Compounds
Medchemexpress LLC Molnupiravir | 00-00-0 | MFCD32663515 | 99.9% | 336.35 g/mol | C13H12D7N3O7 | 5 MG
Molnupiravir-d7 is the deuterium (d7) isotopologue of molnupiravir used as an analytical standard and tracer in antiviral research. It is intended for use as an internal standard in quantitative assays and to support pharmacokinetic, metabolic, and stability studies involving molnupiravir.
- Deuterium-labeled (d7) isotopologue for tracer studies.
- Molecular formula C13H12D7N3O7; molecular weight 336.35 g/mol.
- High purity suitable for analytical applications (≈99.9%).
- Suitable as an internal standard for quantitative LC-MS/MS assays.
- Supports pharmacokinetic and metabolic profiling of antiviral compounds.
- Available in small milligram quantities for research use.
Medchemexpress LLC Dodecanoic-2,2-d2 acid | 64118-39-4 | MFCD00053326 | 99.8% | 202.33 | C12H22D2O2 | 100mg
Lauric acid-d2 is the deuterium labeled Lauric acid Lauric acid is a middle chain-free fatty acid with strong bactericidal properties The EC50s for P acnes S aureus S epidermidis are 2 6 4 g/mL respectively
Medchemexpress LLC N-valerylglycine-d2 | 3008541-76-9 | 95.0% | 161.20 g·mol⁻¹ | C7H11D2NO3 | 1 MG
A deuterium-labeled form of N-valerylglycine supplied as a 1 mg research standard for use as a stable isotope internal standard or tracer in analytical and metabolite studies. It supports improved quantitation and tracing in mass spectrometry workflows and is intended for research applications with appropriate storage to maintain stability.
- Stable isotope-labeled internal standard for mass spectrometry.
- Supplied as a 1 mg research-grade quantity.
- Purity 95.0%.
- Molecular formula C7H11D2NO3; molecular weight 161.20 g·mol⁻¹.
- Suitable for analytical method development and tracer studies.
- Storage recommended at low temperatures to preserve stability.
Medchemexpress LLC Methanol-d | 1455-13-6 | MFCD00044213 | >99.0% | 33.05 | CH3OD | 10 G
Methanol-d1 (CH3OD) is a deuterium-labeled form of methanol supplied as a high-purity stable isotope reagent for analytical and research use. It is intended for use as a tracer and as an internal standard in NMR, GC-MS, and LC-MS workflows. Manufacturer documentation includes purity and storage recommendations to preserve isotopic integrity.
- High isotopic purity (≥99.0%).
- Suitable as tracer and internal standard for NMR, GC-MS, and LC-MS analyses.
- Provided with certificate of analysis and safety data sheet.
- Stable under recommended storage; extended shelf life when stored at low temperature.
- Available in laboratory-scale package sizes for research use.
Medchemexpress LLC 1-bromoheptane-d5 | 1219805-66-9 | >98.0% | 184.13 g/mol | C7H10D5Br | 50 MG
1-Bromoheptane-d5 is the deuterium-labeled analogue of 1-bromoheptane used as an isotope-labelled standard and reagent in analytical and synthetic applications. It contains five deuterium atoms, making it suitable as an internal standard for quantitative mass spectrometry and tracer studies. Store and handle under recommended low-temperature conditions to preserve integrity.
- Deuterium-labeled (d5) isotopologue for mass spectrometry and tracer studies.
- Suitable as an internal standard for quantitative GC-MS and LC-MS methods.
- Molecular weight 184.13 g/mol and chemical formula C7H10D5Br.
- Available in small-mass vials for laboratory use (for example, 50 mg).
- Recommended storage: pure form -20°C; in solvent -80°C for long-term storage.
Medchemexpress LLC Spermine-d20 | 71-44-3 | 98.5% | 222.46 g/mol | C10H6D20N4 | 1 MG
Spermine-d20 is a deuterium-labeled isotopologue of spermine used as a stable isotope tracer or internal standard for quantitative NMR, GC-MS, and LC-MS analyses. It provides a mass-shifted analog for accurate quantitation in analytical and tracer studies.
- Purity 98.47%.
- Molecular formula C10H6D20N4; molecular weight 222.46 g/mol.
- Used as a tracer or internal standard for NMR, GC-MS, and LC-MS quantitation.
- Appearance white to off-white solid.
- Storage: powder -20°C (3 years); in solution -80°C (6 months), -20°C (1 month).
- Typical analytical pack size available: 1 mg.
Medchemexpress LLC Dihydrocapsaicin-d3 | 1330261-21-6 | 310.45 | 1 MG
Dihydrocapsaicin-d3 is the deuterium-labeled version of Dihydrocapsaicin. It is a capsaicin and a potent, selective TRPV1 (transient receptor potential vanilloid channel 1) agonist. This compound reduces AIF, Bax, and Caspase-3 expressions, while increasing Bcl-2, Bcl-xL, and p-Akt levels. It also enhances hypothermia-induced neuroprotection after ischemic stroke via PI3K/Akt regulation in rats.
- Deuterium-labeled version of Dihydrocapsaicin
- Potent, selective TRPV1 agonist
- Reduces AIF, Bax, and Caspase-3 expressions
- Increases Bcl-2, Bcl-xL, and p-Akt levels
- Enhances hypothermia-induced neuroprotection after ischemic stroke via PI3K/Akt regulation in rats
- Can be used as a tracer for quantitative analysis
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cayman Chemical Meglutol-d3 25mg
An internal standard for the quantification of meglutol by GC- or LC-MS
Medchemexpress LLC DL-glutamic acid-d3 | 96927-56-9 | 98.0% | 150.15 | C5H6D3NO4 | 25 MG
DL-glutamic acid-d3 is the deuterium-labeled form of DL-glutamic acid provided for research use as a tracer or internal standard in quantitative NMR, GC-MS, and LC-MS analyses.
- CAS number 96927-56-9
- Molecular formula C5H6D3NO4
- Molecular weight 150.15 g/mol
- Purity 98.0%
- Appearance white to off-white solid
- Recommended storage: powder -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months)
- Suitable as a tracer and internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC 1,2-propylene-d6 carbonate | 202480-74-8 | MFCD00142486 | 98.7% | 108.13 | C4D6O3 | 100 MG
1,2-Propylene-d6 carbonate is the deuterium-labeled analogue of 1,2-propylene carbonate used as a stable-isotope tracer and internal standard in analytical techniques such as NMR, GC-MS, and LC-MS. It is provided with high isotopic and chemical purity for quantitative studies and metabolic tracing.
- High isotopic labeling (d6) for clear mass shifts.
- Suitable as an internal standard for NMR, GC-MS, and LC-MS.
- High chemical purity for reliable quantitative analysis.
- Available in small research-scale packaging for method development.
- Molecular weight 108.13; formula C4D6O3.
Cayman Chemical GuaIfensIn-d3 500ug
An internal standard for the quantification of guaifenesin by GC- or LC-MS
Cayman Chemical LIthocholIc AcId-d4 500ug
An internal standard for the quantification of lithocholic acid by GC- or LC-MS
Medchemexpress LLC (R)-Lercanidipine-d3 hydrochloride | 1217724-52-1 | 99.9% | 5 MG
(R)-lercanidipine D3 hydrochloride is a deuterium labeled (R)-Lercanidipine hydrochloride. (R)-Lercanidipine-d3 (hydrochloride), the R-enantiomer of Lercanidipine, is a calcium channel blocker. 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.
Cayman Chemical TaurocholIc AcId-d4sodIM500ug
An internal standard for the quantification of taurocholic acid by GC- or LC-MS
Medchemexpress LLC Tiopronin-d3 | 1189700-74-0 | 99.4% | 1 MG
Tiopronin-d3 is the deuterium labeled Tiopronin. Tiopronin acts as a diffusible antioxidant, an antidote to heavy metal poisoning, and a radioprotective agent. It can regulate the rate of cystine precipitation and excretion, showing potential for treating cystinuria, rheumatoid arthritis, and hepatic disorders. 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.