Isotopically Labeled Compounds
Cambridge Isotope Laboratories POTASSIUM THIOCYANATE (13C, 95-99%) 95%+ PURE, 0.5 G, 143827-33-2
POTASSIUM THIOCYANATE (13C, 95-99%) 95%+ PURE, 0.5 G, 143827-33-2
![Medchemexpress LLC L-Alanine-3,3,3-d3, N-[(9H-fluoren-9-ylmethoxy)carbonyl]- | 225101-67-7 | 99.4% | 314.35 | 25 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000366735-logo.png-250.jpg){kind=logo}
Medchemexpress LLC L-Alanine-3,3,3-d3, N-[(9H-fluoren-9-ylmethoxy)carbonyl]- | 225101-67-7 | 99.4% | 314.35 | 25 MG
Fmoc-Ala-OH-3,3,3-d3 is the deuterium labeled Fmoc-Ala-OH-3,3,3. It is for research use only and not sold to patients. This product can be used as a tracer and an internal standard for quantitative analysis by various methods. Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules for quantitation during drug development.
- 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 for quantitation during drug development
- Deuteration has potential to affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Gefitinib-d8 | 857091-32-8 | 98.4% | 454.95 | 1 MG
Gefitinib-d8 (ZD1839-d8) is a deuterium-labeled Gefitinib. Gefitinib acts as an EGFR tyrosine kinase inhibitor, with an IC50 of 2-37 nM in NR6wtEGFR cells. Stable heavy isotopes of hydrogen, carbon, and other elements are incorporated into drug molecules as tracers for quantitation during drug development. Deuteration has the potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuteration may affect pharmacokinetic and metabolic profiles of drugs
![Revvity Health Sciences Inc Phenylalanine, L-[1-<sup>14</sup>C], > 97%, 50μCi (1.85 MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810016.jpg-250.jpg)
Revvity Health Sciences Inc Phenylalanine, L-[1-14C], > 97%, 50μCi (1.85 MBq)
Phenylalanine, L-[1-14C], > 97%, 50μCi (1.85 MBq)
Medchemexpress LLC Lanosterol-d6 | 28290-39-3 | MFCD22416700 | 99.0% | 432.75 | C30H44D6O | 100 UG
Lanosterol-d6 is a deuterium-labeled isotopologue of lanosterol supplied for analytical and research use as an internal standard or tracer in metabolic and quantitative assays. It is intended for use in mass spectrometry and NMR workflows where isotopic labeling improves quantitation and compound tracking.
- Deuterium-labeled internal standard for quantitative NMR, GC-MS, and LC-MS.
- High purity, suitable for analytical applications.
- Molecular formula C30H44D6O and molecular weight 432.75 for reference.
- Solid form; stable as powder at -20°C for extended storage.
- Useful for metabolic pathway studies and enzymatic assays related to cholesterol synthesis.
Cambridge Isotope Laboratories L-Leucine (13C6, 99%), 61-90-5, MFCD00002617, 0.25G
Chemical Formula: (*CH3)2*CH*CH2*CH(NH2)*COOH, Molecular Weight: 137.13, Synonym: (S)-2-Amino-4-methylpentanoic acid-13C6, 13C Labeled L-leucine. For R&D use only. Not for drug, household, or other uses. Any other use is the sole responsibility of the end user.
Medchemexpress LLC Isoproturon-d3 | 352438-80-3 | 99.8% | 1 MG
Isoproturon-d3 is the deuterium labeled Isoproturon. Isoproturon belongs to the phenylurea herbicide family and is a systemic and selective herbicide. It is widely applied for killing weeds in farmland, specifically annual grasses and broad-leaved weeds in spring and winter wheat, winter rye, and spring and winter barley. This product is 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.
Cambridge Isotope Laboratories DL-ALANINE (3-13C, 99%), 0.5 G, 131157-42-1
DL-ALANINE (3-13C, 99%), 0.5 G, 131157-42-1
Medchemexpress LLC L-Tryptophan-15N2 | 204634-20-8 | 206.21 | 1 MG
L-Tryptophan-15N2 is the 15N-labeled L-Tryptophan. L-Tryptophan is an essential amino acid that serves as a precursor for serotonin, melatonin, and vitamin B3.
- Can be utilized as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Uridine-1,3-15N2 | 92487-68-8 | 98% | 5 MG
Uridine-15N2 is the 15N labeled Uridine, utilized as a tracer and an internal standard for quantitative analysis using techniques like NMR, GC-MS, or LC-MS. The incorporation of stable heavy isotopes such as hydrogen, carbon, and other elements into drug molecules serves for quantitation during the drug development process. Deuteration has demonstrated the potential to influence 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.
- For research use only.
Medchemexpress LLC L-tyrosine-2,3,5,6-d4 | 62595-14-6 | MFCD00079605 | 98.0% | 185.21 | C9H7D4NO3 | 10 MG
Deuterium-labeled L-tyrosine (L-tyrosine-2,3,5,6-d4) supplied as a 10 mg solid for research use. It is intended for use as an internal standard and tracer in metabolic and isotope-labeling studies and has been reported to inhibit citrate synthase activity in the posterior cortex. Not for human or clinical use.
- Deuterium-labeled internal standard for mass spectrometry and NMR.
- Chemical formula C9H7D4NO3 and molecular weight 185.21 g/mol.
- Purity (NMR) 98.0%.
- Supplied as a 10 mg solid suitable for analytical and tracer studies.
- For research use only; not for human or clinical applications.
Cayman Chemical ProstaglndIn F2a-d4 100ug
An internal standard for the quantification of PGF2α by GC- or LC-MS.
Medchemexpress LLC Triphenylene-d12 | 17777-56-9 | 98% | 240.36 | 25 MG
Triphenylene-d12 is a deuterium labeled triphenylene intended for research use only. It can be utilized as a tracer or as an internal standard for quantitative analysis through techniques such as NMR, GC-MS, or LC-MS. Deuteration has shown potential to influence the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled compound
- Suitable for use as a tracer
- Functions as an internal standard for quantitative analysis
- Applicable in NMR, GC-MS, and LC-MS analytical methods
- White to off-white solid appearance
- Store at room temperature for 3 years
- In solvent, store at -80°C for 2 years or -20°C for 1 year
- Isotopic enrichment of 99.8%
- Not intended for medical applications
Medchemexpress LLC 4-Nonylphenol-d5 | 358730-95-7 | 99.2% | 1 MG
4-Nonylphenol-d5 is the deuterium labeled form of 4-Nonylphenol. This compound is a major degradation product of Nonylphenol ethoxylates (NPEOs), known as a persistent organic pollutant with endocrine-disrupting properties and estrogenic activity.
- Deuterium labeled compound
- Can be used as a tracer in various applications
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Incorporation of stable heavy isotopes aids in quantitation during drug development
- Deuteration may impact pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Hypericin-d10 | 514.50 | 1 MG
Hypericin-d10 is the deuterium-labeled Hypericin. Hypericin is a photosensitive antiviral with anticancer and antidepressant properties, derived from *Hypericum perforatum*. It can inhibit tyrosine kinases with an IC50 of 7.5 μM.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.