Isotopically Labeled Compounds
Cayman Chemical PAF C-16-d4 500ug
An internal standard for the quantification of PAF C-16 by GC- or LC-MS.
Cayman Chemical IloperIdon-d3 25mg
An internal standard for the quantification of iloperidone by GC- or LC-MS
Cayman Chemical FlonIcamId-15N 18O 1.2mL
An internal standard for the quantification of flonicamid by GC- or LC-MS
Cayman Chemical L-MethIonIn-d3 500mg
An internal standard for the quantification of L-methionine by GC- or LC-MS
Cayman Chemical EmpaglIflozIn-d4 500ug
An internal standard for the quantification of empagliflozin by GC- or LC-MS
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
Cayman Chemical CIlastatIn-15N-d3 500ug
An internal standard for the quantification of cilastatin by GC- or LC-MS
Medchemexpress LLC Guanfacine-13C,15N3 | 1189924-28-4 | 250.07 | 1 MG
Guanfacine-13C,15N3 is the 13C and 15N labeled version of Guanfacine. Guanfacine is an orally active noradrenergic α2A agonist that selectively targets the α2A receptor subtype. It has been observed to cause hypotension and sedation. This compound is used in research related to various prefrontal cortex (PFC) cognitive disorders, such as Tourette's syndrome and attention deficit hyperactivity disorder (ADHD). The incorporation of stable heavy isotopes into drug molecules, like in Guanfacine-13C,15N3, is primarily for quantitation during drug development, with deuteration specifically noted for its potential impact on 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
Medchemexpress LLC Fumaric acid-d2 | 24461-32-3 | MFCD00144378 | 99.0% | 118.08 g/mol | C4H2D2O4 | 25 MG
Fumaric acid-d2 is the deuterium-labeled analog of fumaric acid used as a stable isotope standard and research reagent. It is supplied as a white to off-white solid with 99.0% purity and is intended for analytical, metabolic, and tracer studies. For research use only.
- Deuterium-labeled compound for tracer and analytical applications.
- High purity (99.0%) suitable for reference standards.
- Soluble in DMSO (≥ 100 mg/mL) for convenient stock preparation.
- Stable when stored as a powder at -20°C for long-term storage.
- Available in small mass sizes for analytical workflows.
Medchemexpress LLC Decanoic acid-d19 | 88170-22-3 | 98.4% | 191.38 | C10HD19O2 | 10 MG
Decanoic acid-d19 is the deuterium-labeled analogue of decanoic (capric) acid provided as a stable-isotope reagent for analytical and metabolic studies. It preserves the fatty acid backbone while incorporating 19 deuterium atoms, allowing clear mass and NMR separation from unlabeled material. Typical purity is 98.4% and the formula is C10HD19O2.
- Deuterium-labeled (d19) fatty acid for isotope tracing.
- High purity suitable for analytical applications (98.4%).
- Useful as an internal standard for GC-MS and LC-MS quantitation.
- Compatible with NMR and metabolic labeling studies.
- Available in multiple small package sizes for research use.
- COA and SDS available to support quality and handling.
Medchemexpress LLC Methanol-d1 | 1455-13-6 | MFCD00044213 | >99.0% | 33.048 g/mol | CH3OD | 25 G
Methanol-d1 (CH3OD) is a deuterium-labeled methanol used as a deuterated solvent, tracer, and internal standard in analytical chemistry and spectroscopic applications. It offers high isotopic purity for NMR, mass spectrometry, and tracer studies, and is supplied with safety documentation for handling and storage.
- Deuterium-labeled methanol (CH3OD).
- CAS number 1455-13-6.
- High isotopic purity (≥99.0%).
- Suitable as an NMR solvent and internal standard.
- Useful as a tracer in isotopic labeling and analytical workflows.
- Provided with an SDS for safe handling and transport.
Cambridge Isotope Laboratories TAUROCHENODEOXYCHOLIC ACID, SODIUM SALT (2,2,4,4-D4, 98%) CHEMICAL PURITY 97%, 10 MG
TAUROCHENODEOXYCHOLIC ACID, SODIUM SALT (2,2,4,4-D4, 98%) CHEMICAL PURITY 97%, 10 MG
Medchemexpress LLC Ciprofloxacin-13C3,15N monohydrochloride | 2483830-12-0 | 99.9% | 1 MG
Ciprofloxacin-13C3,15N monohydrochloride is a 13C- and 15N-labeled version of Ciprofloxacin (monohydrochloride) intended for research use only. This compound serves as a valuable tool for precise tracking and quantification in various analytical methods, helping to study metabolic pathways and drug mechanisms.
- Used as a tracer or internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Enables precise tracking and quantification of individual atoms in metabolic pathways.
- Minimally impacts molecular properties, aiding in distinguishing between endogenous and exogenous metabolites.
- Reduces false positives and aids in the reconstruction of metabolic pathways.
- Improves accuracy and reproducibility in mass spectrometry through internal standardization.
- Facilitates non-invasive tracking of compounds and their metabolites in vivo, beneficial for pharmacometabolic kinetics studies.
Medchemexpress LLC Ethyl cinnamate-d5 | 856765-68-9 | 181.24 g·mol⁻1 | C11H7D5O2 | 5mg
Ethyl cinnamate-d5 is the deuterium labeled Ethyl cinnamate[1] Ethyl cinnamate is a fragrance ingredient used in many fragrance compounds Ethyl cinnamate is a food flavor and additive for cosmetic products Ethyl cinnamate is also an excellent clearing reagent for mammalian tissues[2][3]
Medchemexpress LLC β-alanine-d4 (2-carboxyethylamine-d4) | 116173-67-2 | 99.9% | 93.12 | C3H3D4NO2 | 10 MG
β-Alanine-d4 (2-carboxyethylamine-d4) is the deuterium-labeled form of β-alanine used as an isotopic standard and tracer in analytical and biochemical applications. It is supplied as a high-purity solid suitable for mass spectrometry, NMR, and metabolic tracing studies.
- Deuterium-labeled (d4) β-alanine for isotopic tracing and standards.
- High purity (99.9%) for accurate analytical results.
- Molecular weight 93.12 and formula C3H3D4NO2.
- CAS number 116173-67-2 for unambiguous identification.
- Store protected from light; recommended storage at 4°C; in solvent: -80°C up to 6 months, -20°C up to 1 month.