Isotopically Labeled Compounds
Medchemexpress LLC Posaconazole-d5 | 1217785-83-5 | 99.1% | 705.81 | 1 MG
Posaconazole-d5 is a deuterium-labeled form of Posaconazole, a broad-spectrum triazole compound with antifungal activity. This compound is suitable for various quantitative analyses and as a tracer in research applications.
- Used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Broad-spectrum antifungal activity
Medchemexpress LLC Moclobemide-d4 | 71320-77-9 | 99.0% | 1 MG
Moclobemide-d4 is deuterium labeled Moclobemide. Moclobemide (Ro111163) is a brain-penetrant and reversible monoamine oxidase (MAO-A) inhibitor with an IC50 of 6.061 μM for hMAO-A. It up-regulates proliferation of hippocampal progenitor cells in chronically stressed mice. This product is for research use only and is not sold to patients.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cambridge Isotope Laboratories Fonofos (unlabeled) 100 ug/mL in nonane 1 2 mL
Fonofos (unlabeled) 100 ug/mL in nonane 1 2 mL
Medchemexpress LLC Guanosine 5'-diphosphate, monosodium salt | 43139-22-6 | MFCD00070121 | 96.0% | 465.18 g/mol | C10H14N5NaO11P2 | 5 MG
Guanosine 5'-diphosphate (sodium) is a nucleoside diphosphate used in biochemical and cellular research. It acts as a ligand for nucleotide-binding proteins, can activate ATP-sensitive K+ channels, and is applied in studies of inflammation and iron mobilization pathways.
- Monosodium salt form suitable for aqueous and enzymatic studies.
- Nominal purity 96.0% by HPLC; batch certificate of analysis may report higher purity.
- White to off-white solid appearance; stable under recommended storage conditions.
- Used in inflammation research, including hepcidin-ferroportin and IL-6/STAT3 pathway studies.
- Molecular formula C10H14N5NaO11P2; molecular weight 465.18 g/mol.
Cayman Chemical Sphingosine (d18:1), Purity: ≥98%, CAS: 123-78-4, 100 mg
Sphingosine (d18:1) is formed primarily from the breakdown of ceramide. Sphingosine inhibits PKC and phosphatidic acid phosphohydrolase, whereas it activates PLD and DAG kinase. Phosphorylation of sphingosine by SPHK 1 and SPHK 2 produces sphingosine-1-phosphate, a potent bioactive lipid that exhibits a broad spectrum of biological activities including cell proliferation, survival, migration, cytoskeletal organization, and morphogenesis.
Cayman Chemical Tafluprostfree acId-d4 100UG
An internal standard for the quantification of tafluprost (free acid) by GC-or LC-MS
Medchemexpress LLC C26 D,L-Carnitine-d9 | 2260670-67-3 | 99.0% | 548.93 | 1 MG
C26 D,L-Carnitine-d9 is a deuterium-labeled variant of C26 D,L-Carnitine. This compound is intended for research use only. Stable heavy isotopes such as hydrogen and carbon are often integrated into drug molecules to serve as tracers for quantitative analysis during drug development. Deuteration is recognized for its potential to influence the pharmacokinetic and metabolic profiles of drugs.
- Can be utilized as a tracer.
- Suitable as an internal standard for quantitative analysis.
Cambridge Isotope Laboratories 2 2 3 4 4 6-HexaBDE (BDE-139) (13C12 99%) 50 ug/mL in nonane 1 2 mL
2 2 3 4 4 6-HexaBDE (BDE-139) (13C12 99%) 50 ug/mL in nonane 1 2 mL
Cambridge Isotope Laboratories 16 ALPHA-HYDROXYESTRONE (2,3,4-13C3,99%), 0.1 MG, 1241684-28-5
16 ALPHA-HYDROXYESTRONE (2,3,4-13C3,99%), 0.1 MG, 1241684-28-5
Medchemexpress LLC Alanine-2,3,3,3-d4 | 53795-92-9 | MFCD00084108 | 99.8% | 93.12 | C3H3D4NO2 | 100 MG
Alanine-2,3,3,3-d4 is a deuterium-labeled alanine used as a stable-isotope tracer and internal standard for research and analytical workflows. It supports accurate quantitation and method development in biochemical and pharmacokinetic studies, dissolves readily in water, and is supplied with recommended storage conditions for long-term stability.
- Deuterium-labeled alanine for tracer and internal standard use.
- High purity (≈99.8%) suitable for quantitative analysis.
- Soluble in water (≥ 50 mg/mL) for straightforward sample preparation.
- Stable as a powder under frozen storage for long-term use.
- Compatible with NMR, GC-MS, and LC-MS analytical methods.
Cambridge Isotope Laboratories Dechlorane plus Anti (unlabeled) 100 ug/mL in toluene 1 2 mL
Dechlorane plus Anti (unlabeled) 100 ug/mL in toluene 1 2 mL
Medchemexpress LLC Dopamine-d5 hydrochloride | 2193106-55-5 | 99.6% | 1 MG
Dopamine-d5 hydrochloride is the deuterium labeled form of Dopamine hydrochloride, a catecholamine neurotransmitter. It plays crucial roles in the brain and body by inducing endocytosis of VEGFR2 through D2 dopamine receptors, promoting angiogenesis. This compound is 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 can influence pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Nordoxepin-d4 hydrochloride | 2249819-14-3 | 99.9% | 305.84 | C18H16D4ClNO | 1 MG
Nordoxepin-d4 hydrochloride is the deuterium-labeled hydrochloride salt of nordoxepin provided for research and analytical use. It is intended primarily as an isotopically labeled internal standard or tracer in bioanalytical, pharmacokinetic, and metabolic studies, and is optimized for accurate quantification in mass spectrometry workflows.
- High isotopic and chemical purity (99.9%).
- Suitable as an internal standard for LC-MS/MS and GC-MS assays.
- Useful for bioanalytical quantification and method validation.
- Deuterium labeling enables tracer and metabolic studies.
- Hydrochloride form improves handling and stability.
- For research use only; not for human or veterinary use.