Isotopically Labeled Compounds
Medchemexpress LLC Rufinamide-15N,d2 | 1795037-48-7 | C10H6D2F2N315NO | 1 MG
Rufinamide-15N,d2 is the deuterium and 15N labeled version of Rufinamide, an orally active antiepileptic compound that functions by inhibiting Na+ current activation, inhibiting neuronal hyperexcitability, and providing anticonvulsant effects. It is utilized in the study of Lennox-Gastaut syndrome. This compound is intended for research use only and is not sold to patients. Stable heavy isotopes have been incorporated into drug molecules as tracers for quantitation during drug development. Deuteration can influence pharmacokinetic and metabolic profiles.
- 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 Ezetimibe-d4-1 | 1093659-89-2 | MFCD08063570 | 99.3% | 413.45 | 5 MG
Ezetimibe-d4-1 is deuterium labeled Ezetimibe. Ezetimibe (SCH 58235) is a potent cholesterol absorption inhibitor, a Niemann-Pick C1-like1 (NPC1L1) inhibitor, and a potent Nrf2 activator. This product is for research use only and not for sale to patients.
- 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.
Cayman Chemical ThymIn-13C5 15N2 500ug
An internal standard for the quantification of thymine by GC- or LC-MS
Medchemexpress LLC Nortriptyline-d3 hydrochloride | 203784-52-5 | 99.7% | 5 MG
Nortriptyline-d3 (hydrochloride) is the deuterium labeled Nortriptyline hydrochloride. Nortriptyline hydrochloride (Desmethylamitriptyline hydrochloride) is a tricyclic antidepressant and the main active metabolite of Amitriptyline, and used to relieve the symptoms of depression.
- 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 Oxybenzone-d3 (benzophenone 3-d3) | 131-57-7 | MFCD00008387 | >95.0% | 231.26 g/mol | C14H9D3O3 | 2.5 MG
Oxybenzone-d3 (benzophenone 3-d3) is a deuterium-labeled stable isotope standard of oxybenzone intended for analytical and research use. Provided as a 2.5 mg solid, it serves as an internal standard for mass spectrometry, method development, and quantitation in environmental and cosmetic residue analysis.
- Deuterium-labeled internal standard for mass spectrometry.
- Supplied as a 2.5 mg solid suitable for analytical use.
- Chemical formula C14H9D3O3; molecular weight 231.26 g/mol.
- Used for calibration, quantitation, and method validation.
- Typically accompanied by vendor documentation such as a certificate of analysis.
Medchemexpress LLC Lactyl-CoA | 1926-57-4 | 96.92% | C24H40N7O18P3S | 1 ML
Lactyl-CoA is an acyl-CoA essential for the biosynthesis of biodegradable and biocompatible lactic acid-based copolymers. It is formally condensed from the sulfhydryl group of CoA and the carboxyl group of lactic acid. In vitro, GTPSCS can be used as Lactyl-CoA synthetase, converting lactic acid into Lactyl-CoA and providing substrate for histone lactation.
- Essential for biosynthesis of biodegradable and biocompatible lactic acid-based copolymers.
- Acts as a substrate for histone lactation.
- Store at -80°C, protected from light, and under nitrogen.
Cayman Chemical Panobinostat-d4 (hydrochloride), Purity: ≥99% deuterated forms (d1-d4), 5 mg
An internal standard for the quantification of panobinostat by GC- or LC-MS
Cayman Chemical GlycodeoxycholIc AcId-d4 500ug
An internal standard for the quantification of glycodeoxycholic acid by GC- or LC-MS
Medchemexpress LLC Aminoadipic acid-d3 | 2483832-01-3 | MFCD06658660 | 99.1% | 164.17 | C6H8D3NO4 | 5 MG
Aminoadipic acid-d3 is the deuterium-labeled isotopologue of aminoadipic acid (CAS 2483832-01-3), supplied as a high-purity reference standard for analytical and metabolic research. The d3 label permits precise tracking and quantitation in stable isotope tracing and LC-MS workflows, and the compound is provided in small, accurately weighed packages for use as an internal standard.
Medchemexpress LLC 4-n-butyl-d9-aniline | 1219794-78-1 | MFCD00007925 | 97.2% | 158.29 | C10H6D9N | 5mg
4-Butylaniline-d9 is the deuterium labeled 4-Butylaniline[1]
![Revvity Health Sciences Inc Human growth hormone, [<sup>125</sup>I], 50 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/VN00001872-502097588.JPG-250.jpg)
Revvity Health Sciences Inc Human growth hormone, [125I], 50 µCi
Human growth hormone, [125I], 50 µCi
Cambridge Isotope Laboratories OCTANOIC ACID-D15 (D, 98%), 1 G, 69974-55-6
OCTANOIC ACID-D15 (D, 98%), 1 G, 69974-55-6
Medchemexpress LLC o-Phthalaldehyde-d6 | 68234-47-9 | MFCD30720408 | 95.0% | 140.17 | C8D6O2 | 10mg
Phthalaldehyde-d6 is the deuterium labeled Phthalaldehyde (HY-W012669) Phthalaldehyde is a biochemical assay reagent which modifies the amino acid and measure the derivative through HPLC Phthalaldehyde forms a fluorescent compound with -amino group[1][2]
Cayman Chemical Lauric Acid-d2, Purity: ≥99% deuterated forms (d1-d2), CAS: 64118-39-4, 50 mg
An internal standard for the quantification of lauric acid by GC- or LC-MS
Cambridge Isotope Laboratories ARACHIDONIC ACID (5,6,8,9,11,12,14,15-D8, 98%), 5 MG, 69254-37-1
ARACHIDONIC ACID (5,6,8,9,11,12,14,15-D8, 98%), 5 MG, 69254-37-1