Isotopically Labeled Compounds
Medchemexpress LLC Fumaric acid-d2 | 24461-32-3 | MFCD00144378 | 99.0% | 118.08 g·mol⁻¹ | C4H2D2O4 | 50 MG
Fumaric acid-d2 is the deuterium-labeled form of fumaric acid intended for use as a tracer and internal standard in quantitative analytical methods. It is suitable for NMR, GC-MS, and LC-MS applications and is used in research on fumarase deficiency and oncometabolites. The compound is supplied as a high-purity solid with documented solubility and storage recommendations.
- Deuterium-labeled analog for tracer and internal standard use.
- High listed purity suitable for analytical applications.
- Soluble in DMSO; in vivo vehicle formulations are documented.
- Stable solid with defined storage conditions for powder and solutions.
- Available in multiple small packaging sizes for laboratory research.
Medchemexpress LLC Urea-15N2 | 2067-80-3 | 99.8% | 62.04 | 25 MG
Urea-15N2 is the 15N-labeled Urea. It functions as a potent protein denaturant through both direct and indirect mechanisms. It is also an effective emollient, keratolytic, and diuretic agent. This compound is used in blood urea nitrogen (BUN) measurements to assess renal function, as a nitrogen source in fertilizers, and as a crucial raw material in the chemical industry. It can be utilized as a tracer or an internal standard for quantitative analysis.
- Can be used as a tracer
- Internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Potent protein denaturant
- Effective emollient and keratolytic agent
- Functions as a diuretic agent
- Used to assess renal function
- Widely used in fertilizers as a nitrogen source
- Important raw material for the chemical industry
Medchemexpress LLC Levofloxacin-d8 | 1217716-71-6 | 99.8% | 5 MG
Levofloxacin-d8 is the deuterium-labeled version of Levofloxacin. Levofloxacin is a synthetic fluoroquinolone and an antibacterial agent that inhibits the supercoiling activity of bacterial DNA gyrase, thereby halting DNA replication. It is intended 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 Squalane-d62 | 16514-83-3 | 25 MG
Squalane-d62 is a deuterium-labeled form of Squalane, a saturated derivative of Squalene found in certain fish and vegetable oils. It exhibits anticancer, antioxidant, skin hydrating, and emollient activities. This product is intended for research use only. Stable heavy isotopes, such as deuterium, are incorporated into drug molecules primarily as tracers for quantitation during drug development, and can influence the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable under recommended storage conditions.
Medchemexpress LLC D-Fructose-13C | 108311-21-3 | 25 MG
D-Fructose-13C is a 13C labeled D-Fructose, a naturally occurring monosaccharide found in many plants. It is intended for research use only, serving as a tracer or an internal standard for quantitative analysis by methods such as NMR, GC-MS, or LC-MS.
- Purity: 99.95%
- Appearance: Solid
- Color: White to off-white
- Stable heavy isotopes can be incorporated into drug molecules for quantitation
- Potential to affect 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
Medchemexpress LLC D-Xylulose-2-13C | 131771-47-6 | 99.5% | 151.12 | 5 MG
D-Xylulose-2-13C is the 13C labeled form of D-Xylulose, a precursor of the pentiol D-arabi. It is useful as a tracer and an internal standard for various analytical methods.
- Used as a tracer.
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Incorporates stable heavy isotopes of hydrogen, carbon, and other elements into drug molecules.
- Can affect the pharmacokinetic and metabolic profiles of drugs through deuteration.
Cambridge Isotope Laboratories trans-DCCA (1 carboxyl-13C2 99% 1-D 97%) 100 ug/mL in acetonitrile-D3 1 2 mL
trans-DCCA (1 carboxyl-13C2 99% 1-D 97%) 100 ug/mL in acetonitrile-D3 1 2 mL
Medchemexpress LLC β-Dihydroequilin-d5 | 275.40 | 1 MG
β-Dihydroequilin-d5 is a deuterium-labeled version of β-Dihydroequilin, intended for research use only. Stable heavy isotopes such as deuterium are incorporated into drug molecules as tracers for quantitative analysis during drug development, with potential impact on pharmacokinetic and metabolic profiles.
- Deuterium-labeled β-Dihydroequilin for research
- Functions as a tracer for quantitative analysis in drug development
- May influence pharmacokinetic and metabolic profiles of drugs
- Stable under recommended storage conditions
- Presented as a solid
Medchemexpress LLC Baricitinib-d3 | 1564242-30-3 | C16H14D3N7O2S | 1 MG
Baricitinib-d3 is the deuterium labeled version of Baricitinib, a selective and orally bioavailable JAK1 and JAK2 inhibitor with IC50s of 5.9 nM and 5.7 nM, respectively. It is intended for research use only.
- Deuterium labeled Baricitinib
- Selective and orally bioavailable JAK1 and JAK2 inhibitor
- Suitable as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes for quantitation during drug development
- Deuteration can impact pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Losartan-d4 | 1030937-27-9 | 99.4% | 426.94 | 5 MG
Losartan-d4 is the deuterium labeled Losartan. Losartan is an angiotensin II receptor antagonist, competing with the binding of angiotensin II to AT1 receptors with an IC50 of 20 nM.
- 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 2H-1-Benzopyran-2-one-5,6,7,8-d4 | 185056-83-1 | 150.17 | 25 MG
Coumarin-d4 is a deuterium-labeled form of Coumarin, which is the primary bioactive ingredient found in Radix Glehniae. It exhibits various pharmacological activities, including anticancer, anti-inflammatory, and antiviral properties.
- 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 α-Linolenic acid-13C18 | 287111-28-8 | 296.30 | 1 MG
α-Linolenic acid-13C18 is a 13C labeled α-Linolenic acid. This essential fatty acid, isolated from seed oils, cannot be synthesized by humans. It influences thrombosis through PI3K/Akt signaling modulation and exhibits anti-arrhythmic properties pertinent to cardiovascular disease and cancer.
- Used as a tracer.
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Related to cardiovascular disease and cancer.
- Modulates PI3K/Akt signaling.
- Possesses anti-arrhythmic properties.
Medchemexpress LLC 1-methylimidazole-d6 | 285978-27-0 | MFCD00190485 | 98.8% | 88.14 | C4D6N2 | 10 MG
1-Methylimidazole-d6 is the deuterium-labeled isotopologue of 1-methylimidazole supplied for use as an isotopic reference and internal standard in analytical laboratories. It is intended for tracer and quantitative applications in NMR, GC-MS, and LC-MS workflows.
- Deuterium-labeled internal standard for quantitative analysis by NMR, GC-MS, and LC-MS.
- High chemical purity (≈98.8%) and consistent isotopic enrichment for reliable results.
- Molecular weight 88.14 and molecular formula C4D6N2 for precise mass calculations.
- Available in small, laboratory-scale quantities suitable for standard analytical protocols.
Medchemexpress LLC Isovaleric acid-13C | 87994-84-1 | 99.0% | 103.12 | 100 MG
Isovaleric acid-13C is the 13C labeled Isovaleric acid. Isovaleric acid is a natural fatty acid known to affect neonatal death and possible Jamaican vomiting sickness in humans. 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.
- Stable heavy isotopes of hydrogen, carbon, and other elements incorporated into drug molecules for quantitation during drug development.