Isotopically Labeled Compounds
Medchemexpress LLC Nortriptyline hydrochloride | 894-71-3 | 99.98% | 100 MG
Nortriptyline hydrochloride is the main active metabolite of Amitriptyline, classified as a tricyclic antidepressant. It functions as a potent autophagy inhibitor and demonstrates anticancer effects, intended for research use only.
- Inhibits the Norepinephrine transporter (NET, SLC6A2)
- Reduces viability of bladder cancer cells
- Induces cell cycle arrest
- Induces apoptosis in bladder cancer cells
- Blocks reuptake of Norepinephrine more potently than Serotonin
Cayman Chemical Thiodiglycolic Acid-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 132090-51-8, 5 mg
An internal standard for the quantification of TDGA by GC- or LC-MS
Revvity Health Sciences Inc Sulfur-35 Radionuclide, 10mCi (370MBq), Specific Activity: 1050-1600Ci (38.8-59.2TBq)/mmol, Sulfuric Acid in 1mL Water
Sulfur-35 Radionuclide, 10mCi (370MBq), Specific Activity: 1050-1600Ci (38.8-59.2TBq)/mmol, Sulfuric Acid in 1mL Water
![Revvity Health Sciences Inc Thymidine, [6-<sup>3</sup>H]-, 5mCi (185MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810631.jpg-250.jpg)
Medchemexpress LLC Suberic acid-d4 | 19031-57-3 | 99.9% | 178.22 | C8H10D4O4 | 10 MG
Suberic acid-d4 is the deuterium-labeled analogue of suberic (octanedioic) acid used as an internal standard and reference material in mass spectrometry and metabolic studies. Supplied as an analytical-grade solid in small mg-scale packaging, it is intended for quantitative assays, method development, and metabolite identification.
- Deuterium-labeled internal standard for mass spectrometry.
- High isotopic and chemical purity for accurate quantitation.
- Suitable for quantitative assays and method development.
- Stable solid form for convenient storage and handling.
- Soluble in common solvents for sample preparation workflows.
Medchemexpress LLC L-Leucine-1-13C,15N | 80134-83-4 | 133.16 | 50 MG
L-Leucine-1-13C,15N is the 13C- and 15N-labeled L-Leucine. L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway. This compound can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Activates the mTOR signaling pathway.
- 13C- and 15N-labeled L-Leucine.
- Essential branched-chain amino acid (BCAA).
Medchemexpress LLC 16α-Hydroxyestrone | 566-76-7 | 99.7% | 286.37 | 1 MG
16α-Hydroxyestrone (16αOHE) is a major metabolite of Estradiol. It can be used for the research of metabolic diseases. Increasing levels of active estrogen metabolites, such as 16α-Hydroxyestrone and E3, are associated with increased bone mineral density.
- Endogenous metabolite
- Steroid structure
- Appearance: solid, white to off-white
- Solubility: ≥ 250 mg/mL in DMSO
Medchemexpress LLC Pyrazine-d4 | 1758-62-9 | 84.11 | 5MG
Pyrazine-d4 is the deuterium labeled Pyrazine. 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.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration has the potential to affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Azepan-2-one-d10 | 169297-53-4 | 99.8% | 123.22 | 5 MG
Azepan-2-one-d10 is the deuterium labeled Azepan-2-one. This compound is intended for research use only. 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.
- 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 have been incorporated into drug molecules as tracers for quantitation.
- Deuteration has potential to impact the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Sertindole-d4 | 1794737-42-0 | MFCD25977368 | 98.6% | 444.97 | C24H22D4ClFN4O | 5 MG
Sertindole-d4 is the deuterium-labeled analog of the antipsychotic sertindole, supplied as an isotope-labeled reference standard for analytical and research applications. Intended for research use only, it is commonly used as an internal standard in mass spectrometry, tracer studies, and quantitative bioanalysis due to defined isotopic labeling and high purity.
- Labeled with deuterium for stable isotope reference.
- High purity suitable for analytical and quantitative work.
- Consistent isotopic composition for reliable mass spectrometry quantitation.
- Provided in accurately weighed small quantities for trace-level studies.
- Accompanied by a product datasheet and certificate of analysis.
Medchemexpress LLC Fenoverine-d8 100ug | 100UG
Fenoverine-d8 is the deuterium labeled Fenoverine Fenoverine (Spasmopriv) is an orally active and powerful anti-spasmodic drug Fenoverine reduces calcium ion influx by suppressing voltage dependent calcium channels Fenoverine has antiemetic analgesic and antidiarrheal effects Fenoverine induces rhabdomyolysis Fenoverine can be used to study smooth muscle overexcitation related conditions such as gastrointestinal spasms[1 [2 [3
Medchemexpress LLC Phytanic acid-d3 | 1383920-40-8 | 99.1% | 315.55 | C20H37D3O2 | 5 MG
Phytanic acid-d3 is a deuterium-labeled analogue of phytanic acid used as an internal standard for accurate quantitation by GC- or LC-MS in biochemical and clinical research. It has molecular formula C20H37D3O2, molecular weight 315.55, and CAS 1383920-40-8, and is supplied in research-scale quantities for analytical use.
- Intended for use as an internal standard in GC- or LC-MS assays.
- Deuterium labeling provides a distinct mass shift for reliable differentiation from the native analyte.
- Coelutes with native phytanic acid to support accurate quantitation.
- Offered in small research-scale quantities suitable for method development and standard curves.
- High isotopic and chemical purity supports precise measurement.
Medchemexpress LLC Boc-glycine-d2 | 42492-65-9 | MFCD01074012 | 98.0% | 177.19 | C7H11D2NO4 | 50mg
Boc-Glycine-d2 is the deuterium labeled Boc-Glycine[1]
Medchemexpress LLC Phenylmethan-d2-ol | 21175-64-4 | MFCD00084124 | 99.0% | 110.15 | C7H6D2O | 5 MG
Phenylmethan-d2-ol is a deuterium-labeled benzyl alcohol used as a stable isotope tracer and reference standard in analytical chemistry, mass spectrometry, and synthetic labeling. It is characterized by molecular formula C7H6D2O, molecular weight 110.15 g/mol, and a reported chemical purity of 99.0%.
- Deuterium-labeled benzyl alcohol for tracer and analytical use.
- High chemical purity: 99.0%.
- Molecular formula C7H6D2O and molecular weight 110.15 g/mol.
- Available in small quantities suitable for analytical standards, including 5 mg packages.
- Supplied with a datasheet and certificate of analysis for batch verification.