Isotopically Labeled Compounds
Medchemexpress LLC Ethylmalonic acid-d5 | 66311-22-6 | 98.1% | 137.15 | 1 MG
Ethylmalonic acid-d5 is a deuterium labeled short-chain organic dicarboxylic acid. It synergistically induces mitochondrial permeability transition with Ca2+, inhibits Mi-CK, and disrupts mitochondrial energy metabolism. This compound can be used in the research of SCADD, EE, and other genetic metabolic diseases characterized by EMA accumulation.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuterium labeled compound for pharmacokinetic and metabolic studies
- Inhibits mitochondrial creatine kinase activity
- Disrupts mitochondrial energy metabolism
Cambridge Isotope Laboratories EFSA-4 13C PAH Standard Mixture (13C 99%) in nonane 1 2 mL
EFSA-4 13C PAH Standard Mixture (13C 99%) in nonane 1 2 mL
Medchemexpress LLC Meglutol-d3 (dicrotalic acid-d3) | 59060-36-5 | MFCD01074174 | 98.0% | 165.16 | C6H7D3O5 | 10 MG
Meglutol-d3 (dicrotalic acid-d3) is the deuterium-labeled analogue of meglutol, intended for use as a tracer or internal standard in quantitative analysis by NMR, GC-MS, or LC-MS. It is a white to off-white solid with high purity and is supplied in small-mass packages for analytical use.
- Deuterium-labeled internal standard for quantitative analysis
- Purity 98.0%
- Molecular weight 165.16
- Soluble in methanol (100 mg/mL; may require ultrasonic)
- Stored as powder at -20°C (long term) or 4°C (short term)
Medchemexpress LLC Dimethyl adipate-d4-1 | 55724-08-8 | 99.4% | 178.22 | C8H10D4O4 | 100 MG
Dimethyl adipate-d4-1 is the deuterium-labeled analogue of dimethyl adipate supplied as a stable isotope reference standard for analytical and tracer applications. It is provided as a high-purity material intended for mass spectrometry, quantitative analysis, and method development.
- Deuterium-labeled standard for mass spectrometry and tracer studies.
- High purity, 99.4%.
- Chemical formula C8H10D4O4; molecular weight 178.22.
- Packaged as a 100 mg vial for analytical use.
- Accompanied by certificate of analysis and safety data sheet.
Medchemexpress LLC Flibanserin-d4-1 | 2122830-91-3 | 99.3% | 394.43 g/mol | C20H17D4F3N4O | 10 MG
Flibanserin-d4-1 is a deuterium-labeled analog of flibanserin supplied as a solid research standard for analytical and pharmacokinetic applications. It functions as a 5-HT1A full agonist and a 5-HT2A antagonist and is used as an internal standard or tracer to support quantitative LC-MS and GC-MS methods and metabolic studies.
- Deuterium-labeled internal standard for analytical assays.
- High purity (~99.3%).
- Solid, white to off-white powder form.
- Molecular weight 394.43 g/mol.
- Available as a 10 mg pack.
- Suitable for LC-MS, GC-MS, and pharmacokinetic studies.
Medchemexpress LLC Docosanoic acid-d43 (Behenic acid-d43) | 29823-26-5 | 99.3% | 383.85 | 5 MG
Docosanoic acid-d43 (Behenic acid-d43) is the deuterium labeled Docosanoic acid. Docosanoic acid (Behenic acid) is a long-chain saturated fatty acid that inhibits the double-stranded DNA (dsDNA) binding activity of p53 DNA binding domain, with a Kd of 12 nM. Docosanoic acid has low bioavailability and can increase cholesterol in humans.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Cambridge Isotope Laboratories METHYL CHLOROFORMATE (D3, 99%), 5 G
METHYL CHLOROFORMATE (D3, 99%), 5 G
Medchemexpress LLC Semaglutide-13C6,15N (TFA) | 910463-68-2 | 96.0% | 4120.53 (free acid) | 1 MG
Semaglutide-13C6,15N (TFA) | 910463-68-2 | 96.0% | 4120.53 (free acid) | 1 MG
Medchemexpress LLC DL-Histidine-d3 | 344299-50-9 | 99.0% | 158.17 | 1 MG
DL-Histidine-d3 is a deuterium labeled DL-Histidine. Stable heavy isotopes have been incorporated into drug molecules for quantitation during the drug development process. Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer.
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Intended for research use only.
Medchemexpress LLC Isovaleric acid-13C | 87994-84-1 | 99.0% | 103.12 | 25 MG
Isovaleric acid-13C is the 13C labeled Isovaleric acid. Isovaleric acid is a natural fatty acid and is known to affect neonatal death and possible Jamaican vomiting sickness in humans.
- 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 have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process
- Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Tecovirimat-d4 (ST-246-d4) | 869572-92-9 | 99.0% | 380.35 | 1 MG
Tecovirimat-d4 (ST-246-d4) is a deuterium-labelled version of Tecovirimat (HY-14805). This orally bioavailable, selective compound is effective against various orthopoxviruses, including vaccinia, monkeypox, and smallpox. It targets the orthopoxvirus protein VP37, crucial for membrane envelopment of intracellular mature virus particles. Tecovirimat inhibits the cowpox virus V061 gene (homologous to vaccinia virus F13L), which encodes a major envelope protein (p37) essential for extracellular virus production. It can be utilized in orthopoxvirus-induced disease studies.
- 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 Pyrimethanil-d5 | 2118244-83-8 | 99.0% | 1 MG
Pyrimethanil-d5 is the deuterium-labeled version of Pyrimethanil, an anilinopyrimidine and broad-spectrum contact fungicide. It controls Botrytis spp. on various crops by inhibiting the biosynthesis of methionine and other amino acids in *Botrytis cinerea*. It is suitable for research into fungal disease prevention in fruit, vegetable, and ornamental plants that have mold infections.
- Deuterium labeled compound.
- 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 are incorporated for quantitation during drug development.
- Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC 1-octanol-d2 | 78510-02-8 | 99.0% | 132.24 g/mol | C8H16D2O | 25 MG
1-Octanol-d2 is the deuterium-labeled analog of 1-octanol provided as a research-grade stable isotope reagent. It is used as an internal standard, tracer, or reference in analytical chemistry and isotopic labeling studies, particularly in mass spectrometry and NMR applications.
- Deuterated analog suitable as an internal standard for GC-MS and LC-MS analyses.
- High purity (99.0%), minimizing isotopic impurities.
- Molecular formula C8H16D2 and molecular weight 132.24 g/mol.
- Supplied as a small-scale research reagent (25 mg) for analytical workflows.
Cayman Chemical Myristic Acid-13C, Purity: ≥95%, CAS: 57677-52-8, 1 g
An internal standard for the quantification of myristic acid by GC- or LC-MS
Medchemexpress LLC L-Serine-d2 | 95034-57-4 | 107.10 | 100 MG
L-Serine-d2 is the deuterium labeled L-Serine. L-Serine ((-)-Serine; (S)-Serine), one of the so-called non-essential amino acids, plays a central role in cellular proliferation.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS