Isotopically Labeled Compounds
Cayman Chemical Glycochenodeoxycholc ACDd4 5mg
An internal standard for the quantification of glycochenodeoxycholic acid by GC- or LC-MS
Medchemexpress LLC Elimusertib-d3 | 00-00-0 | 98.9% | 378.45 | C20H18D3N7O | 1 MG
Elimusertib-d3 is the deuterium-labeled analog of elimusertib, a potent and selective ATR kinase inhibitor. It is supplied as a high-purity analytical standard for research use, suitable for bioanalytical quantitation, metabolic profiling, and mechanistic investigations in oncology research.
- Deuterium-labeled analog for use as an internal standard in mass spectrometry.
- High purity (98.9%).
- Suitable for bioanalytical quantitation and pharmacokinetic studies.
- Useful for metabolic and mechanistic investigations.
- Supplied in a small, defined quantity for analytical applications (1 mg).
- Molecular formula C20H18D3N7O; molecular weight 378.45.
Medchemexpress LLC L-Xylose-2-13C | 478506-63-7 | 99.0% | C413CH10O5 | 100 MG
L-Xylose-2-13C is the 13C labeled L-Xylose. L-Xylose (L-(-)-Xylose) is a rare sugar and the levorotatory form of Xylose. It can be used as a raw material for the synthesis of various drugs and bioactive molecules.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC L-Xylose-2-13C | 478506-63-7 | 99.0% | C413CH10O5 | 1 MG
L-Xylose-2-13C is the 13C labeled L-Xylose. L-Xylose is a rare sugar and the levorotatory form of Xylose. This compound serves as a raw material for the synthesis of various drugs and bioactive molecules. It is intended for research use only.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process.
Medchemexpress LLC Cysteamine-d4 (hydrochloride) | 1219805-04-5 | 95.1% | C2H4D4ClNS | 5 MG
Cysteamine-d4 (hydrochloride) is the deuterium labeled Cysteamine hydrochloride. Cysteamine hydrochloride (2-Aminoethanethiol hydrochloride) is an orally active agent for the treatment of nephropathic cystinosis and an antioxidant.
- Can be used as a tracer for quantitation.
- Can be used as an internal standard for quantitative analysis.
- Deuteration may affect pharmacokinetic and metabolic profiles of drugs.
- For research use only.
Medchemexpress LLC Valproic acid-d14 so 1mg | 1MG
Valproic acid-d14 (sodium) is deuterium labeled Valproic acid (sodium) Valproic acid sodium salt (Sodium Valproate) is an HDAC inhibitor with IC50 in the range of 0 5 and 2 mM also inhibits HDAC1 (IC50 400 M) and induces proteasomal degradation of HDAC2 Valproic acid sodium salt activates Notch1 signaling and inhibits proliferation in small cell lung cancer (SCLC) cells Valproic acid sodium salt is used in the treatment of epilepsy bipolar disorder and prevention of migraine headaches
United States Biological Corporation N-ACETYL-D-123-13C NEURAMINIC
NC3371951 N-ACETYL-D-123-13C NEURAMINIC
Cayman Chemical nor-W-18-d4 1mg
An internal standard for the quantification of nor-W-18 by GC- or LC-MS; intended for research and forensic applications
Medchemexpress LLC Acetophenone-d8 | 19547-00-3 | MFCD00064447 | 100.0% | 128.20 g/mol | C8D8O | 500mg
Acetophenone-d8 is the deuterium labeled Acetophenone Acetophenone is an organic compound with simple structure[1]
Cayman Chemical DIazoxIde-d3 1mg
An internal standard for the quantification of diazoxide by GC- or LC-MS
Medchemexpress LLC Cabozantinib-d4 | 1802168-53-1 | 99.0% | 505.53 g/mol | C28H20D4FN3O5 | 5 MG
Cabozantinib-d4 is the deuterium-labeled (d4) form of cabozantinib used as a stable-isotope internal standard for quantitative LC-MS and bioanalytical assays. It is supplied as a high-purity solid suitable for method development, calibration, and pharmacokinetic studies.
- Deuterium-labeled internal standard for LC-MS analysis.
- High purity suitable for quantitative assays.
- Supplied in small-mass quantities for analytical workflows.
- Molecular formula C28H20D4FN3O5 and molecular weight 505.53 g/mol.
- Intended for research use and analytical method development.
Medchemexpress LLC Glycine-13C2 | 67836-01-5 | 99.9% | 77.05 | 13C2H5NO2 | 25mg
Glycine-13C2 is the 13C-labeled Glycine Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors
Medchemexpress LLC Semaglutide-13C6,15N (TFA) | 96.0% | 4120.53 (free acid) | 500 UG
Semaglutide-13C6,15N TFA is a 13C- and 15N-labeled form of Semaglutide TFA. This compound is a long-acting, selective, competitive GLP-1R agonist capable of penetrating the blood-brain barrier. It promotes insulin secretion, inhibits gastric emptying and appetite, enhances autophagy, inhibits oxidative stress and apoptosis, and regulates mitochondrial function and lipid metabolism.
- Used as a tracer.
- Serves as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Known for lowering blood sugar and reducing weight.
- Provides neuroprotection, including improving motor function in Parkinson's disease models.
- Improves hepatic steatosis.
- Applied in research for type 2 diabetes, obesity, Parkinson's disease, MASLD, and cancer.