Isotopically Labeled Compounds
Cayman Chemical Methiocarb-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 1581694-94-1, 5 mg
An internal standard for the quantification of methiocarb by GC- or LC-MS
Medchemexpress LLC Pentadecanoic-d29 acid, 1,2,3-propanetriyl ester | 352431-43-7 | 99.2% | C48H5D87O6 | 10MG
Tripentadecanoin-d29 is a deuterium-labeled triglyceride standard used as an isotopic tracer and internal standard for quantitative lipid analysis. It provides mass-shifted fatty acyl chains for unambiguous detection and accurate quantification in mass spectrometry and NMR workflows.
- Deuterium-labeled triglyceride standard for analytical and tracer applications.
- Suitable as an internal standard for quantitative mass spectrometry and NMR.
- High isotopic enrichment (d29) for clear mass distinction from natural lipids.
- High purity (99.2%) for reliable quantification and reproducibility.
- Supplied in small analytical quantity (10 mg) for method development and validation.
- Molecular formula C48H5D87O6, molecular weight 852.78.
Medchemexpress LLC Benzamide-15N | 31656-62-9 | 100mg
Benzamide-15N is a 15N-labeled Benzamide Benzamide inhibits poly(ADP-ribose) polymerase (PARP)[1][2]
Medchemexpress LLC 1-bromoheptane-d5 | 1219805-66-9 | >98.0% | 184.13 | C7H10D5Br | 5 MG
1-Bromoheptane-d5 is a deuterium-labeled analogue of 1-bromoheptane supplied for research use as an isotope-labeled reagent. It is intended for analytical and synthetic chemistry applications, including use as an internal standard for mass spectrometry, tracer experiments, and mechanistic studies. Not for human use.
- Deuterium-labeled analogue suitable as an internal standard for mass spectrometry.
- High isotopic enrichment (approximately 99 atom % D) and chemical purity ≥98%.
- Intended for tracer studies, mechanistic investigations, and isotope-labeling reactions.
- Provided as a stable liquid for easy handling in small analytical quantities.
- Recommended storage: -20°C (pure form); -80°C in solvent for extended preservation.
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 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
Cambridge Isotope Laboratories 2 2 4 4-TetraBDE (BDE-47) (13C12 99%) 50 ug/mL in nonane 1 2 mL
2 2 4 4-TetraBDE (BDE-47) (13C12 99%) 50 ug/mL in nonane 1 2 mL
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 Olaparib-d4-1 | 2143107-55-3 | 98.6% | 438.49 g/mol | C24H19D4FN4O3 | 5 MG
Olaparib-d4-1 is a deuterium-labeled analogue of olaparib used as a stable-isotope reference standard for analytical and research applications. It provides a defined mass shift while preserving chemical behavior of the parent compound, enabling accurate quantification and tracer studies in mass spectrometry and related assays.
- Deuterium-labeled reference standard for LC-MS analyses.
- Molecular weight 438.49 g/mol with defined chemical formula.
- High purity suitable for quantitative analytical workflows.
- Offered in small measured packages for easy sample preparation.
- Datasheet and safety data sheet available for handling and characterization.
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 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 Pentacosane-d52 | 121578-13-0 | 25 MG
Pentacosane-d52 is a deuterium-labeled form of Pentacosane. Pentacosane, found in Curcuma raktakanda extract and Malus domestica essential oil, is known for its anti-cancer activities. The incorporation of stable heavy isotopes, such as deuterium, can significantly influence the pharmacokinetic and metabolic profiles of drug molecules.
- Used as a tracer
- Serves as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuteration can impact drug pharmacokinetics and metabolism
- Contains stable heavy isotopes for quantitation during drug development
Medchemexpress LLC Safinamide-d4-1 | 2748522-33-8 | 98.9% | C17H15D4FN2O2 | 1 MG
Safinamide-d4-1 is deuterium labeled Safinamide, a potent, selective, and reversible monoamine oxidase B (MAO-B) inhibitor. It also blocks sodium channels and modulates glutamate release. Safinamide-d4-1 has neuroprotective and neurorescuing effects, making it suitable for research into Parkinson's disease and ischemic stroke. Deuteration has gained attention due to its potential to affect 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
- Potent, selective, and reversible monoamine oxidase B (MAO-B) inhibitor
- Blocks sodium channels and modulates glutamate release
- Offers neuroprotective and neurorescuing effects
Cayman Chemical L-Threonine-d2, Purity: ≥99% deuterated forms (d1-d2), CAS: 1202936-45-5, 5 mg
An internal standard for the quantification of L-threonine by GC- or LC-MS