Isotopically Labeled Compounds
Medchemexpress LLC Stearic acid-d7 | 951209-59-9 | 98.0% | 1 MG
Stearic acid-d7 is the deuterium labeled Stearic acid. Stearic acid is a long chain dietary saturated fatty acid which exists in many animal and vegetable fats and oils.
- 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 Cytosn-d2 25mg
An internal standard for the quantification of cytosine by GC- or LC-MS
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.
Medchemexpress LLC Adipic acid-d4 | 121311-78-2 | 98.0% | 150.170 g/mol | C6H6D4O4 | 10 MG
Adipic acid-d4 is a deuterium-labeled stable isotope of adipic acid (CAS 121311-78-2) supplied as a white to off-white solid at 98.0% purity. It is intended for use as an internal standard, tracer, or analytical reference in mass spectrometry and isotopic studies, and is provided in small research pack sizes suitable for quantitative analysis. Store powder at -20°C (3 years) or 4°C (2 years); in solvent store at -80°C (6 months).
- Deuterium-labeled internal standard for mass spectrometry and isotope tracing.
- High purity (98.0%) for reliable analytical performance.
- White to off-white solid suitable for preparation of standard solutions.
- Available in small pack sizes for analytical and research use.
- Suitable for quantitative analysis, method development, and tracer studies.
- Recommended storage conditions provided to preserve stability.
Medchemexpress LLC Raloxifene-d4 hydrochloride | 1188263-47-9 | 98.6% | 514.07 | 500 UG
Raloxifene-d4 hydrochloride is the deuterium labeled form of Raloxifene, a benzothiophene-derived selective estrogen receptor modulator (SERM). It exhibits estrogen-agonistic effects on bone and lipids, and estrogen-antagonistic effects on the breast and uterus. This compound is utilized in breast cancer and osteoporosis research.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Exhibits estrogen-agonistic effects on bone and lipids
- Shows estrogen-antagonistic effects on the breast and uterus
- Valuable for breast cancer and osteoporosis research
Medchemexpress LLC D-Fructose-13C2 | 2483736-14-5 | 10 MG
D-Fructose-13C2 is the 13C labeled form of D-Fructose, a naturally occurring monosaccharide found in many plants. This compound serves as a valuable tool for research, particularly as a tracer and an internal standard in various analytical techniques.
- Used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Choline-d4 chloride | 285979-70-6 | 99.9% | 1 MG
Choline-d4 chloride is the deuterium labeled Choline chloride. It is an organic compound and a quaternary ammonium salt, an acyl group acceptor and choline acetyltransferase substrate, also an important additive in feed, especially for chickens where it accelerates growth. This product is for research use only.
- Deuterium labeled Choline chloride
- Tracer
- Internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Lenvatinib-d4 | 2264050-65-7 | 99.6% | 430.88 | 100 MG
Lenvatinib-d4 is a deuterium-labeled version of Lenvatinib. Lenvatinib (E7080) is an oral, multi-targeted tyrosine kinase inhibitor that inhibits VEGFR1-3, FGFR1-4, PDGFR, KIT, and RET, demonstrating potent antitumor activities. Stable heavy isotopes like deuterium are incorporated into drug molecules, primarily as tracers for quantitation during drug development. Deuteration can also impact the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Inhibits VEGFR1-3, FGFR1-4, PDGFR, KIT, and RET.
Cayman Chemical LInoleIc AcId-d4 500ug
An internal standard for the quantification of linoleic acid by GC- or LC-MS
Medchemexpress LLC 1-Naphthyl-d7 N-methylcarbamate | 362049-56-7 | 99% | 5 MG
Carbaryl-d7 is a deuterium-labeled version of Carbaryl, an acetylcholinesterase inhibitor. It functions by preventing the breakdown of acetylcholine in the synaptic cleft, leading to acetylcholine accumulation and neurotoxicity. This compound is primarily used as an insecticide.
- Can be used as a tracer.
- Functions as an internal standard for quantitative analysis using NMR, GC-MS, or LC-MS.
- Incorporates stable heavy isotopes for pharmacokinetic and metabolic studies.
![Revvity Health Sciences Inc AH5183, L-[Piperidinyl-3,4-<sup>3</sup>H]-(Vesamicol), 250 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/NC2011090.jpg-250.jpg)
Revvity Health Sciences Inc AH5183, L-[Piperidinyl-3,4-3H]-(Vesamicol), 250 µCi
AH5183, L-[Piperidinyl-3,4-3H]-(Vesamicol), 250 µCi
Medchemexpress LLC (Rac)-atropine-d3 | 1276197-36-4 | 99.1% | 292.39 g/mol | C17H20D3NO3 | 10 MG
(Rac)-Atropine-d3 is the deuterium-labeled form of racemic atropine intended for use as a tracer or internal standard in analytical methods such as NMR, GC-MS, and LC-MS. It is supplied as a white to off-white solid and is offered in milligram-scale research pack sizes.
- Deuterium-labeled racemic atropine for analytical use.
- Suitable as tracer or internal standard for NMR, GC-MS, and LC-MS.
- High reported purity (≈99.1%).
- White to off-white solid, convenient for handling and storage.
- Recommended storage: powder at -20°C for long-term stability.
- Available in milligram-scale quantities for method development and quantitation.
Medchemexpress LLC Rifampicin-d3 | 1262052-36-7 | 95.7% | 1 MG
Rifampicin-d3 is a deuterium labeled form of Rifampicin, a potent and broad-spectrum antibiotic. It exhibits activity against bacterial pathogens and anti-influenza virus activities. This compound is for research use only and not sold to patients.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Stable heavy isotopes incorporated into drug molecules for quantitation
- Deuteration can affect pharmacokinetic and metabolic profiles of drugs
Cayman Chemical cis-10-hydroxy Nortriptyline
An active metabolite of amitriptyline and nortriptyline; formed from amitriptyline and nortriptyline by CYP2D6; inhibits norepinephrine reuptake in rat cortical slices (EC50 = 160 nM)