Isotopically Labeled Compounds
Medchemexpress LLC L-Leucine-1-13C,15N | 80134-83-4 | 133.16 | 25 MG
L-Leucine-1-13C,15N is a 13C- and 15N-labeled form of L-Leucine, an essential branched-chain amino acid (BCAA). This compound is known to activate the mTOR signaling pathway and is intended solely for research applications.
- For research use only
- Activates the mTOR signaling pathway
- 13C- and 15N-labeled L-Leucine
- Essential branched-chain amino acid
Medchemexpress LLC Imatinib-d8 | 1092942-82-9 | 99.9% | 501.65 g/mol | C29H23D8N7O | 10 MG
Imatinib-d8 is a deuterium-labeled analogue of imatinib designed for use as an isotopic reference standard in analytical and pharmacokinetic studies. It retains the core structure of imatinib with eight deuterium atoms and is intended for use in mass spectrometry, LC-MS/MS assays, and ADME/PK research.
- Deuterium-labeled analogue for isotopic internal standard applications.
- High purity suitable for analytical and quantitative studies.
- Optimized for LC-MS/MS and pharmacokinetic analyses.
- Chemical formula C29H23D8N7O and molecular weight 501.65 g/mol aid in accurate mass calculations.
- Provided as a research-grade reference material for assay development and validation.
Cambridge Isotope Laboratories 1 2 4 5-Tetrachlorobenzene (13C6 99%) 5 mg
1 2 4 5-Tetrachlorobenzene (13C6 99%) 5 mg
Medchemexpress LLC Robenidine-d8 hydrochloride | 1173097-77-2 | 99.0% | 25 MG
Robenidine-d8 hydrochloride is the deuterium labeled version of Robenidine hydrochloride. Robenidine hydrochloride acts as an anticoccidial agent and is also effective against MRSA and VRE, with MIC50s of 8.1 and 4.7 μM, respectively.
- Can be utilized as a tracer.
- Can serve as an internal standard for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS.
- Incorporated stable heavy isotopes into drug molecules for use as tracers in drug development.
- Potential to influence the pharmacokinetic and metabolic profiles of drugs through deuteration.
Cambridge Isotope Laboratories Bis(2-ethylhexyl)phthalate (ring-D4 98%) 0 1 g
Bis(2-ethylhexyl)phthalate (ring-D4 98%) 0 1 g
Medchemexpress LLC 1,3-17:0 DG-d5 | 1246523-65-8 | 99.9% | 602.00 | 1 MG
1,3-17:0 DG-d5 is the deuterium-labeled form of 1,3-17:0 DG. It is used as a tracer and as an internal standard in NMR, GC-MS, or LC-MS analysis for quantitative analysis. Deuteration has been shown to potentially impact the pharmacokinetic and metabolic profiles of drugs.
- Deuterium-labeled form of 1,3-17:0 DG
- Used as a tracer
- Used as an internal standard in NMR, GC-MS, or LC-MS analysis for quantitative analysis
- Deuteration can potentially impact pharmacokinetic and metabolic profiles of drugs
![Medchemexpress LLC Propanal, 2-methyl-2-(methylsulfonyl)-, O-[(methylamino)carbonyl]oxime | 1646-88-4 | 99.5% | 222.26 | 25 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000384614-logo.png-250.jpg){kind=logo}
Medchemexpress LLC Propanal, 2-methyl-2-(methylsulfonyl)-, O-[(methylamino)carbonyl]oxime | 1646-88-4 | 99.5% | 222.26 | 25 MG
Aldicarb sulfone is a metabolite of the carbamate pesticide Aldicarb, exhibiting insecticidal activity. It also acts as a cholinesterase inhibitor and is for research use only.
- Inhibits egg hatching and reduces nematode motility.
- Hinders male larval development in Tylenchulus semipenetrans.
- Decreases plasma pseudocholinesterase levels.
- Decreases red blood cell cholinesterase levels.
Medchemexpress LLC Methoxyfenozide-d9 | 2469014-53-5 | 99.0% | 377.52 g/mol | C22H19D9N2O3 | 10 MG
Methoxyfenozide-d9 is a deuterium-labeled analytical standard of methoxyfenozide supplied as a white to off-white solid. It is intended for use as an internal standard in quantitative analysis and method development where isotopically labeled analogs improve measurement accuracy and precision.
- Deuterium-labeled (d9) analog for isotope-dilution methods.
- High purity suitable for analytical use.
- High isotopic enrichment for accurate mass discrimination.
- Stable solid form with recommended cold storage for longevity.
- Available in a 10 mg package for small-scale analytical workflows.
Cambridge Isotope Laboratories GLYCINE (1,2-13C2,97- 99%), 5 G, 67836-01-5
GLYCINE (1,2-13C2,97- 99%), 5 G, 67836-01-5
Cambridge Isotope Laboratories STEARIC ACID (METHYL-D3, 98%), 0.25 G, 62163-39-7
STEARIC ACID (METHYL-D3, 98%), 0.25 G, 62163-39-7
Cambridge Isotope Laboratories ( /-)-Chloramphenicol (unlabeled) 100 ug/mL in acetonitrile 1 2 mL
( /-)-Chloramphenicol (unlabeled) 100 ug/mL in acetonitrile 1 2 mL
Medchemexpress LLC Acenaphthylene-d8 | 93951-97-4 | 99.5% | 160.24 | 25 MG
Acenaphthylene-d8 is the deuterium labeled Acenaphthylene, a polycyclic aromatic hydrocarbon (PAH). PAHs are derived naturally from coal and tar deposits, and produced by incomplete combustion of organic matter. Deuteration has gained attention due to its potential to affect the pharmacokinetic and metabolic profiles of drugs, making this compound suitable for research applications.
- Deuterium labeled compound
- 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 7-keto-Deoxycholic acid | 911-40-0 | 99.7% | 406.56 | 1 ML
7-keto-Deoxycholic acid is a metabolite of bile acids, naturally found in *Clostridium absonum* and convertible by *Lactobacillus* and *Bifidobacterium*. It plays a role in the metabolism of cholic acid and its bioconversion rate increases with the presence of deoxycholic acid. This compound is for research use only.
- Metabolite of bile acids
- Convertible by *Lactobacillus* and *Bifidobacterium*
- Exhibits increased bioconversion rate with deoxycholic acid
- Suitable for research applications
- Solid storage at 4°C, protected from light
- Solution storage at -80°C for 6 months, or -20°C for 1 month, protected from light