Isotopically Labeled Compounds
Medchemexpress LLC Creatinine-13C | 1173022-95-1 | >99.9% | 5 MG
Creatinine-13C is the 13C-labeled Creatinine, a breakdown product of creatine phosphate in muscle that is usually produced at a fairly constant rate by the body. This product is intended for research use only and serves as a valuable tool in various analytical and research applications due to its stable heavy isotope label. It is particularly useful for precise quantitative analysis in studies involving pharmacokinetics and metabolic profiling.
- Used as a tracer in research studies.
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Incorporates stable heavy isotopes of carbon for drug development processes.
- Can influence pharmacokinetic and metabolic profiles of drugs.
- Molecular formula is C313CH7N3O.
Cambridge Isotope Laboratories trans-DCCA (1 carboxyl-13C2 99% 1-D 97%) 100 ug/mL in MTBE 1 2 mL
trans-DCCA (1 carboxyl-13C2 99% 1-D 97%) 100 ug/mL in MTBE 1 2 mL
Cambridge Isotope Laboratories L-Phenylalanine (13C9 99% 15N 99%) 0 25 g
L-Phenylalanine (13C9 99% 15N 99%) 0 25 g
Cambridge Isotope Laboratories Triethylphosphonoacetate (1-13C 99%) 1 g
Triethylphosphonoacetate (1-13C 99%) 1 g
Medchemexpress LLC Reserpine-d9 | 84759-11-5 | 617.73 | 5 MG
Reserpine-d9 is the deuterium labeled Reserpine. Reserpine is an inhibitor of the vesicular monoamine transporter 2 (VMAT2). Stable heavy isotopes have been incorporated into this compound for quantitation during drug development. Deuteration has gained attention because of 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.
- Has the potential to affect the pharmacokinetic and metabolic profiles of drugs due to deuteration.
Medchemexpress LLC Ethosuximide-d3 | 1189703-33-0 | ≥99.0% | 1 MG
Ethosuximide-d3 is the deuterium labeled Ethosuximide. It is a widely prescribed anti-epileptic agent that improves the phenotypes of multiple neurodegenerative disease models and blocks the low voltage activated T-type calcium channel. It can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled ethosuximide.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Improves phenotypes of multiple neurodegenerative disease models.
- Blocks low voltage activated T-type calcium channel.
- Deuterium substitution can affect pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Ponesimod-d7 | 00-00-0 | 96.5% | 468.02 g/mol | C23H18D7ClN2O4S | 50 MG
Ponesimod-d7 is a deuterium-labeled isotopologue of ponesimod supplied as a 50 mg reference standard for analytical and research use. It is intended for use as a stable-isotope internal standard in mass spectrometry, tracer experiments, and pharmacokinetic studies; store and handle according to supplier recommendations.
- Deuterium-labeled isotopologue for use as a stable-isotope reference.
- Suitable as an internal standard for LC-MS/MS quantitation.
- High isotopic enrichment to support accurate tracer studies.
- Supplied as a 50 mg powder with recommended storage at -20°C.
- Useful for pharmacokinetic and metabolite identification studies.
Medchemexpress LLC Sacubitril-d4 hemicalcium salt | 1369773-39-6 | C24H25D4NO50.5Ca | 1 MG
Sacubitril-d4 hemicalcium salt is the deuterium labeled Sacubitril hemicalcium salt. Sacubitril hemicalcium salt is a potent NEP inhibitor with an IC50 of 5 nM.
- 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 have been incorporated into drug molecules for quantitation during the drug development process.
- Deuteration can potentially affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC N-valerylglycine-d2 | 3008541-76-9 | 95.0% | 161.20 g/mol | C7H11D2NO3 | 5 MG
N-Valerylglycine-d2 is the deuterium-labeled (d2) analogue of N-valerylglycine provided for laboratory research use. It is designed as a stable-isotope tracer or internal standard to support accurate quantitation in analytical workflows such as NMR, GC-MS, and LC-MS. Supplied as a solid with defined purity and identified by its CAS number for unambiguous reference.
- Deuterium-labeled analogue suitable as tracer or internal standard.
- Supports quantitative analysis by NMR, GC-MS, and LC-MS.
- Molecular formula C7H11D2NO3 and molecular weight 161.20 g/mol.
- CAS number 3008541-76-9 for unambiguous identification.
- Available in laboratory pack sizes, including 5 MG.
- Intended for research use only; not for human or clinical use.
Medchemexpress LLC Roflumilast-d4 | 1398065-69-4 | C17H10D4Cl2F2N2O3 | 1 MG
Roflumilast-d4 is a deuterium-labeled selective PDE4 inhibitor, primarily used for research. It can be utilized as a tracer or an internal standard for quantitative analysis by methods such as NMR, GC-MS, or LC-MS. Incorporating stable heavy isotopes into drug molecules, such as deuterium, aids in quantitation during drug development and can influence 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
Cambridge Isotope Laboratories L-ALANINE (2,3,3,3-D4, 98%; 15N, 98%), 0.25 G
L-ALANINE (2,3,3,3-D4, 98%; 15N, 98%), 0.25 G
Medchemexpress LLC Phenylmethan-d2-ol | 21175-64-4 | MFCD00084124 | 99.0% | 110.15 g/mol | C7H6D2O | 100 MG
Phenylmethan-d2-ol is the deuterium-labeled form of phenylmethanol (benzyl alcohol) used as a stable isotope reagent in analytical and synthetic chemistry. It is provided in small laboratory pack sizes for use in tracer studies, method development, and isotopic labeling workflows.
- Deuterium-labeled benzyl alcohol for tracer and standard applications.
- High chemical purity and isotopic labeling (99.0%).
- Available in small milligram pack sizes suitable for analytical workflows.
- Suitable as an internal standard for mass spectrometry and quantitative analysis.
- Compatible with standard organic synthesis and labeling procedures.
Medchemexpress LLC (±)-Naproxen-d3 | 958293-79-3 | MFCD22572922 | 99.8% | 233.28 g/mol | C14H11D3O3 | 10 MG
(±)-Naproxen-d3 is the deuterium-labeled form of naproxen used as an analytical reference standard and tracer. It is intended as an internal standard for quantitative and metabolic studies and supports accurate method development and validation in spectrometric and chromatographic workflows.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS applications.
- High chemical and isotopic purity for reliable quantitation.
- Supplied in small, accurately weighed quantities for analytical work.
- Molecular formula C14H11D3O3 and molecular weight 233.28 g/mol.
Medchemexpress LLC Pyrimethanil-d5 | 2118244-83-8 | 99.0% | 1 MG
Pyrimethanil-d5 is the deuterium-labeled version of Pyrimethanil, an anilinopyrimidine and broad-spectrum contact fungicide. It controls Botrytis spp. on various crops by inhibiting the biosynthesis of methionine and other amino acids in *Botrytis cinerea*. It is suitable for research into fungal disease prevention in fruit, vegetable, and ornamental plants that have mold infections.
- 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.
- Stable heavy isotopes are incorporated for quantitation during drug development.
- Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.