Isotopically Labeled Compounds
Medchemexpress LLC Citric acid-13C2 | 224054-26-6 | 194.11 | 5 MG
Citric acid-13C2 is the 13C-labeled Citric acid (HY-N1428). Citric acid acts as a natural preservative and food tartness enhancer. It induces apoptosis and cell cycle arrest at G2/M phase and S phase in HaCaT cells. It can also cause oxidative damage of the liver by decreasing antioxidative enzyme activities. Citric acid is utilized as an acidulant, emulsifier, sequestrant, and buffering agent across various industries. It is for research use only and 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
Medchemexpress LLC p-Toluic acid-d3 | 19215-16-8 | >98.0% | 139.17 g/mol | C8H5D3O2 | 10 MG
p-Toluic acid-d3 (4-methylbenzoic acid-d3) is the deuterium-labeled form of p-toluic acid, intended for analytical and synthetic use. It is used as a tracer and internal standard for quantitative analysis by NMR, GC-MS, or LC-MS, and as an intermediate in organic synthesis.
- Used as an internal standard for NMR, GC-MS, and LC-MS quantitative analysis.
- Suitable as a synthetic intermediate for organic chemistry applications.
- Available in small-scale quantities for analytical use, e.g., 10 MG.
- Chemical purity min 98% with isotopic enrichment typically 98 atom % D.
Medchemexpress LLC Choline-d13 (chloride) | 352438-97-2 | MFCD01074298 | 99.9% | 152.70 g/mol | C5HD13ClNO | 10 MG
Choline-d13 chloride is the deuterium-labeled analog of choline chloride supplied for laboratory research use as a stable isotope tracer and analytical internal standard. It is provided as a research-grade, high-purity solid with supporting documentation for safe laboratory handling.
- Deuterium-labeled choline chloride suitable for tracer and analytical applications.
- High isotopic/purity level reported at 99.9%.
- Molecular weight approximately 152.70 g/mol, CAS number 352438-97-2.
- Available in small, research-sized quantities (10 MG vial option).
- Manufacturer data sheet and SDS available for handling and safety information.
Cambridge Isotope Laboratories Acenaphthylene (13C6 99%) 100 ug/mL in nonane 1 2 mL
Acenaphthylene (13C6 99%) 100 ug/mL in nonane 1 2 mL
Cayman Chemical 3-oxo DeoxycholIc AcId 50mg
A secondary bile acid; a metabolite of deoxycholic acid in C. perfringens
![Revvity Health Sciences Inc L-[3,4,5-<sup>3</sup>H(N)]-Leucine, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/NC2302174.jpg-250.jpg)
Revvity Health Sciences Inc L-[3,4,5-3H(N)]-Leucine, 250µCi (9.25MBq)
L-[3,4,5-3H(N)]-Leucine, 250µCi (9.25MBq)
Medchemexpress LLC Pentacosane-d52 | 121578-13-0 | 10 MG
Pentacosane-d52 is a deuterium-labeled version of Pentacosane, a compound found in Curcuma raktakanda and Malus domestica known for its anti-cancer activities. This high-purity compound is primarily utilized in research as a tracer and an internal standard for various quantitative analytical methods.
- Molecular weight: 405.00
- Formula: C25D52
- Appearance: White to off-white solid
- Purity: 98.59%
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuterium labeling can affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Octanal-d16 | 1219794-66-7 | 5 MG
Octanal-d16 is a deuterium-labeled octanal, a fragrant aldehyde known for its antioxidant and antibacterial properties. It has shown antifungal effects against *G. citri-aurantii* by disrupting cell membrane integrity and causing cellular component leakage. Furthermore, Octanal exhibits cytotoxicity towards HeLa cells, with an IC50 value of 3.5 μg/mL.
- 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 the potential to affect the pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Propan-2-amine-d6 h 5mg
Propan-2-amine-d6 hydrochloride is the deuterium labeled Propan-2-amine[1]
Cambridge Isotope Laboratories VITAMIN D2 (ERGOCALCIFEROL) UNLABELED 100 UG/ML IN ETHANOL, 1 ML
VITAMIN D2 (ERGOCALCIFEROL) UNLABELED 100 UG/ML IN ETHANOL, 1 ML
Cambridge Isotope Laboratories L-METHIONINE (13C5, 99%; 15N, 99%), 0.25 G, 202468-47-1
L-METHIONINE (13C5, 99%; 15N, 99%), 0.25 G, 202468-47-1
Medchemexpress LLC Meglutol-d3 | 59060-36-5 | 98.0% | 5 MG
Meglutol-d3 is the deuterium labeled Meglutol. Meglutol is an antilipemic agent which lowers cholesterol, triglycerides, serum beta-lipoproteins and phospholipids, and inhibits the activity of hydroxymethylglutarryl CoA reductases, which is the rate limiting enzyme in the biosynthesis of cholesterol.
- 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 gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Lactyl-CoA | 1926-57-4 | 98.01% | C24H40N7O18P3S | 25 MG
Lactyl-CoA is an acyl-CoA formed by the condensation of the sulfhydryl group of CoA and the carboxyl group of lactic acid. It is crucial for the biosynthesis of biodegradable and biocompatible lactic acid-based copolymers. GTPSCS can also function as Lactyl-CoA synthetase, converting lactic acid into Lactyl-CoA to provide substrate for histone lactation.
![Revvity Health Sciences Inc Hemicholinium-3 Diacetate Salt, [Methyl-<sup>3</sup>H]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812736.jpg-250.jpg)
Revvity Health Sciences Inc Hemicholinium-3 Diacetate Salt, [Methyl-3H]-, 250µCi (9.25MBq)
Hemicholinium-3 Diacetate Salt, [Methyl-3H]-, 250µCi (9.25MBq)
Medchemexpress LLC Indomethacin-d4 Methyl Ester | 1217064-61-3 | 98.4% | C20H14D4ClNO4 | 1 MG
Indomethacin-d4 Methyl Ester is a deuterium-labeled form of Indomethacin, a potent, blood-brain permeable, and nonselective inhibitor of both COX-1 and COX-2 enzymes. It demonstrates inhibitory activity with IC50s of 18 nM for human COX-1 and 26 nM for COX-2 in CHO cells. This compound has also been observed to disrupt autophagic flux by interfering with the normal function of lysosomes.
- Deuterium labeled derivative of indomethacin
- Potent and nonselective COX-1 and COX-2 inhibitor
- Blood-brain barrier permeable
- Disrupts autophagic flux through lysosomal interference
- Useful as a tracer or internal standard for quantitative analysis by NMR, GC-MS, or LC-MS