Isotopically Labeled Compounds
Medchemexpress LLC Ropivacaine-d7 | 684647-62-9 | 99.69% | 1 MG
Ropivacaine-d7 is a deuterium labeled Ropivacaine. Ropivacaine is a potent sodium channel blocker, inhibiting impulse conduction by reversibly blocking sodium ion influx in nerve fibers. It also acts as an inhibitor of K2P (two-pore domain potassium channel) TREK-1 with an IC50 of 402.7 μM in COS-7 cell membranes. Ropivacaine is used for the research of neuropathic pain management, and is 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 Niacin-d4 | 66148-15-0 | MFCD00190491 | 99.6% | 1 MG
Niacin-d4 is the deuterium labeled Niacin. Niacin (Nicotinic acid) is a vitamin and is part of the vitamin B group. It is intended for research use only. This compound can be used as a tracer or as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Deuteration has garnered attention due to its potential to influence the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled Niacin.
- Vitamin B group member.
- Suitable for research use.
- Functions as a tracer or internal standard.
- Can be used in quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration can influence pharmacokinetic and metabolic profiles.
Medchemexpress LLC Velnacrine-d4 hydrochloride | 1246816-08-9 | 98.6% | 1 MG
Velnacrine-d4 hydrochloride is a deuterium-labeled form of Velnacrine, intended exclusively for research purposes. This compound is not sold to patients. The incorporation of stable heavy isotopes, such as deuterium, into drug molecules serves as tracers for quantitative analysis in drug development, with deuteration potentially affecting pharmacokinetic and metabolic profiles.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by nuclear magnetic resonance (NMR), gas chromatography-mass spectrometry (GC-MS), or liquid chromatography-mass spectrometry (LC-MS)
Medchemexpress LLC Prostaglandin D2-d4 | 211105-29-2 | 98.8% | 356.49 | C20H28D4O5 | 50 UG
Prostaglandin D2-d4 is a deuterium-labeled analogue of prostaglandin D2 supplied as a solution in methyl acetate for use as an internal standard in GC- or LC-MS assays. It is intended for research use to support accurate quantification of PGD2 in biological samples and analytical workflows.
- Deuterium-labeled internal standard for PGD2 quantification by GC- or LC-MS.
- High chemical purity (98.8%) for reliable analytical performance.
- Supplied as a microgram-scale solution suitable for trace-level analyses.
- Stable when stored at -20°C for up to two years.
- Molecular formula C20H28D4O5 and molecular weight 356.49 aid compound identification.
Medchemexpress LLC Glycine-1-13C | 20110-59-2 | MFCD00037548 | 99.4% | 76.06 g/mol | C13CH5NO2 | 100mg
Glycine-1-13C is the 13C-labeled Glycine Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors
![Revvity Health Sciences Inc Cyclopentyl-1,3-Dipropylxanthine, 8-[Dipropyl-2,3-<sup>3</sup>H(N)]-, 1mCi (37MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502811004.jpg-250.jpg)
Revvity Health Sciences Inc Cyclopentyl-1,3-Dipropylxanthine, 8-[Dipropyl-2,3-3H(N)]-, 1mCi (37MBq)
Cyclopentyl-1,3-Dipropylxanthine, 8-[Dipropyl-2,3-3H(N)]-, 1mCi (37MBq)
Medchemexpress LLC Thymidine-13C | 478511-06-7 | 243.22 | 5 MG
Thymidine-13C is the 13C labeled Thymidine. It is a specific precursor of deoxyribonucleic acid and functions as a cell synchronizing agent. Thymidine is also a DNA synthesis inhibitor capable of arresting cells at the G1/S boundary, before DNA replication.
- 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 into drug molecules for quantitation during drug development.
- Deuteration has the potential to influence the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Triphenylamine-d15 | 880462-20-4 | 99% | 260.41 | 50 MG
Triphenylamine-d15 is the deuterium labeled Triphenylamine. It is for research use only and not sold to patients. This compound can be used as a tracer or an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Deuteration has gained attention due to its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled Triphenylamine
- 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 Carbon-13C | 14762-74-4 | 97.1% | 13.00 g/mol | 13C | 25mg
Carbon-13C is the 13C labeled Carbon[1]
Cayman Chemical Serotonin-d4 (hydrochloride), Purity: ≥99% deuterated forms (d1-d4), CAS: 2469263-61-2, 10 mg
An internal standard for the quantification of serotonin by GC- or LC-MS
Medchemexpress LLC Perphenazine-d4 (phenothiazine-1,3,7,9-d4) | 155593-75-2 | 99.0% | 10 MG
Perphenazine-d4 is the deuterium-labeled analog of perphenazine supplied as a research reference standard for use as an internal standard in LC-MS/MS and other quantitative mass spectrometry assays. It is provided as a high-purity powder for analytical and method development applications.
- Deuterium-labeled internal standard for LC-MS/MS assays.
- High purity (99.0%) for accurate quantitation.
- Packaged as a 10 mg powder for analytical use.
- Chemical formula C21H22D4ClN3OS; molecular weight 407.99 g/mol.
- Recommended storage: powder at -20°C for long-term stability.
Cambridge Isotope Laboratories 1% 1 2-Dichlorobenzene in acetone-D6 1 5mm tube
1% 1 2-Dichlorobenzene in acetone-D6 1 5mm tube
Cambridge Isotope Laboratories AMMONIUM CHLORIDE (D4, 98%; 15N, 98%), 1 G, 99011-95-7
AMMONIUM CHLORIDE (D4, 98%; 15N, 98%), 1 G, 99011-95-7