Isotopically Labeled Compounds
![Revvity Health Sciences Inc Iodo-(-)-Cyanopindolol, [<sup>125</sup>I], 500µCi (18.5MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810633.jpg-250.jpg)
Revvity Health Sciences Inc Iodo-(-)-Cyanopindolol, [125I], 500µCi (18.5MBq)
Iodo-(-)-Cyanopindolol, [125I], 500µCi (18.5MBq)
Cayman Chemical StearIc AcId-d35 100mg
An internal standard for the quantification of stearic acid by GC- or LC-MS
Cambridge Isotope Laboratories ALDOSTERONE 97% CP (9,11,12,12-D4, 98%) 100 UG/ML IN ACETONITRILE, 1 ML, 1261254-31-2
ALDOSTERONE 97% CP (9,11,12,12-D4, 98%) 100 UG/ML IN ACETONITRILE, 1 ML, 1261254-31-2
Cambridge Isotope Laboratories 1 2 3 4-Tetrachlorobenzene (13C6 99%) 100 ug/mL in isooctane 1 2 mL
1 2 3 4-Tetrachlorobenzene (13C6 99%) 100 ug/mL in isooctane 1 2 mL
Cambridge Isotope Laboratories ISOPROPANOL (2-13C, 99%), 0.5 G, 21388-65-8
ISOPROPANOL (2-13C, 99%), 0.5 G, 21388-65-8
Medchemexpress LLC Trimethyllysine-d9 | 1182037-78-0 | 95.0% | C9H11D9N2O2 | 2.5 MG
Trimethyllysine-d9 is the deuterium-labeled Trimethyllysine. Trimethyllysine is a post-translationally modified amino acid involved in carnitine biosynthesis and epigenetic processes. It 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
Medchemexpress LLC Flecainide-d4 (acetate) | 1276197-21-7 | 99.0% | 478.42 | 1 MG
Flecainide-d4 (acetate) is the deuterium labeled Flecainide acetate, a class 1C antiarrhythmic agent used for managing supraventricular arrhythmia. It functions by blocking the Nav1.5 sodium channel in the heart, leading to a prolongation of the cardiac action potential.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cambridge Isotope Laboratories L-Tyrosine (3 5-13C2 99% 2 3 3 2 6-D5 98% 15N 98%) 0 1 g
L-Tyrosine (3 5-13C2 99% 2 3 3 2 6-D5 98% 15N 98%) 0 1 g
![Cambridge Isotope Laboratories Glycan-N35-13C-Gal6 6 6 ([galactose-13C6 99%]3) 500 pmol](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000168897.jpg-250.jpg)
Cambridge Isotope Laboratories Glycan-N35-13C-Gal6 6 6 ([galactose-13C6 99%]3) 500 pmol
Glycan-N35-13C-Gal6 6 6 ([galactose-13C6 99%]3) 500 pmol
Medchemexpress LLC Racemic jasmonic acid-d5 | 2750534-78-0 | 99.0% | 1 MG
Racemic jasmonic acid-d5 is the deuterium-labeled (d5) racemate of jasmonic acid used as a tracer and internal standard for quantitative analysis by NMR, GC-MS, and LC-MS. It is typically supplied as a small solution-based pack and should be stored frozen for stability.
- Deuterium-labeled internal standard for quantitative assays.
- Compatible with NMR, GC-MS, and LC-MS workflows.
- Formula C12H13D5O3; molecular weight 215.30.
- Supplied as a solution in ethanol; store at -20 °C for up to 2 years.
- Analytical-grade purity reported on product page (conflicting values: 97.81% and ≥99.0%).
Medchemexpress LLC Methotrexate-d3 (Amethopterin-d3) | 00-00-0 | >99.0% | C20H19D3N8O5 | 10MG
Methotrexate-d3 is a deuterium-labeled analogue of methotrexate used as a stable isotope tracer and internal standard for quantitative analysis by LC-MS, NMR, and related analytical methods. Supplied as a solid with high chemical and isotopic purity, it is intended for research and analytical applications.
- Deuterium-labeled internal standard for quantitative LC-MS and NMR
- High chemical and isotopic purity (>99.0%) for accurate quantitation
- Solid form for stable storage and simple handling
- Soluble in common analytical solvents such as DMSO
- Suitable for tracer studies, method development, and validation
Medchemexpress LLC Hydrocortisone-d7 | 369.50 | 2.5 MG
Hydrocortisone-d7 is a deuterium-labeled version of Hydrocortisone. Hydrocortisone, also known as Cortisol, is a steroid hormone or glucocorticoid produced by the adrenal cortex. This compound is intended for research use only and is not sold 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.
- Stable heavy isotopes have been incorporated into drug molecules as tracers for quantitation during drug development.
- Deuteration has potential to affect pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Butanoic-1-13C acid, 3-methyl- | 87994-84-1 | 99.0% | 103.12 | 5 MG
Isovaleric acid-13C is the 13C labeled Isovaleric acid. Isovaleric acid is a natural fatty acid and is known to affect neonatal death and possible Jamaican vomiting sickness in humans. 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
Medchemexpress LLC Hexamethylbenzene-d18 | 4342-40-9 | MFCD00144445 | 99.5% | 180.38 g·mol-1 | C12D18 | 10 MG
Hexamethylbenzene-d18 is the fully deuterated analog of hexamethylbenzene used as an isotopic tracer and reference standard for analytical and research applications. Supplied as a purified powder, it is intended for laboratory use where high isotopic enrichment and chemical purity are required.
- High isotopic enrichment (99.3% D).
- High chemical purity (99.5% by HPLC).
- Stable powder form for convenient storage and handling.
- Suitable as an internal standard or tracer in mass spectrometry and quantitative studies.
- Recommended storage conditions extend shelf life.
Medchemexpress LLC Itraconazole-d9 | 1309272-50-1 | 97.9% | 714.69 | 1 MG
Itraconazole-d9 is a deuterium-labeled Itraconazole. It is a triazole antifungal agent and a potent, orally active Hedgehog (Hh) signaling pathway antagonist with an IC50 of approximately 800 nM. It inhibits lanosterol 14α-demethylase (cytochrome P450 enzyme), thereby blocking the oxidative conversion of lanosterol to ergosterol. Itraconazole also exhibits anticancer and antiangiogenic effects and acts as an oxysterol-binding protein (OSBP) inhibitor.
- 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 of hydrogen, carbon, and other elements are incorporated into drug molecules for quantitation during drug development.
- Deuteration can affect pharmacokinetic and metabolic profiles of drugs.