Isotopically Labeled Compounds
Medchemexpress LLC Flurbiprofen-d5 (dl-flurbiprofen-d5) | 215175-76-1 | 99.8% | 249.29 g·mol⁻¹ | C15H8D5FO2 | 1 MG
Flurbiprofen-d5 (dl-Flurbiprofen-d5) is a deuterium-labeled stable isotope analog of flurbiprofen used as an internal standard for quantitative mass spectrometry and other analytical applications.
- Purity 99.8%.
- Molecular weight 249.29 g·mol⁻¹.
- Chemical formula C15H8D5FO2.
- Isotope labeling d5 (five deuterium atoms).
- Available in small powder packs: 1 mg, 5 mg, 10 mg, 50 mg.
- Storage: powder -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months).
- Intended for use as an analytical internal standard in mass spectrometry quantification.
Medchemexpress LLC Entacapone-d10 | 1185241-19-3 | 98.6% | C14H5D10N3O5 | 1 MG
Entacapone-d10 is the deuterium-labeled version of Entacapone, a potent, reversible, peripherally acting, and orally active catechol-O-methyltransferase (COMT) inhibitor. It can be used as a tracer and as an internal standard for quantitative analysis.
- Inhibits COMT from rat brain, erythrocytes and liver with IC50 values of 10 nM, 20 nM, and 160 nM.
- Selective for COMT over other catecholamine metabolizing enzymes.
- Can be used for the research of Parkinson's disease.
- Serves as an inhibitor of FTO demethylation with an IC50 of 3.5 μM.
- Can be used for the research of metabolic disorders.
- 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 Nudifloramide-d3 | 1207384-48-2 | 98.5% | 155.17 g/mol | C7H5D3N2O2 | 5 MG
Nudifloramide-d3 is the deuterium-labeled isotopologue of nudifloramide (2PY), provided as a stable-isotope analytical standard intended for research and analytical applications. It is suitable for use in metabolomics and trace-quantification workflows and is reported to inhibit poly(ADP-ribose) polymerase (PARP-1) activity in vitro.
- Deuterium-labeled internal standard for analytical assays.
- Suitable for metabolomics and trace-level quantification.
- Molecular formula C7H5D3N2O2; molecular weight 155.17 g/mol.
- High purity (approximately 98.5%) for reliable results.
- Supplied as a small pack suitable for analytical use (5 mg).
Medchemexpress LLC Benzocaine (ethyl-d5) | 1219803-76-5 | MFCD13186859 | 99.0% | 170.22 | C9H6D5NO2 | 5mg
Benzocaine-(ethyl-d5) is the deuterium labeled Benzocaine Benzocaine shares a common receptor with all othe rLAs in the voltage-gated Na channel with an IC50 of 0 8 mM tested with a potential of 30 mV
![Revvity Health Sciences Inc Deoxy-D-glucose, 2-[1,2-3H (N)]-, Ethanol Solution, 1 mCi (37 MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810996.jpg-250.jpg)
Revvity Health Sciences Inc Deoxy-D-glucose, 2-[1,2-3H (N)]-, Ethanol Solution, 1 mCi (37 MBq)
Deoxy-D-glucose, 2-[1,2-3H (N)]-, Ethanol Solution, 1 mCi (37 MBq)
Medchemexpress LLC 2-naphthol-d7 | 78832-54-9 | MFCD01074243 | 95.0% | 151.22 g/mol | C10HD7O | 100mg
2-Naphthol-d7 is the deuterium labeled 2-Naphthol[1] 2-Naphthol is a metabolite of naphthalene catalyzed by cytochrome P450 (CYP) isozymes (CYP 1A1 CYP 1A2 CYP 2A1 CYP 2E1 and CYP 2F2)[2]
Medchemexpress LLC 2,4(1H,3H)-pyrimidinedione-5,6-d2 | 24897-52-7 | 99.9% | 114.10 | C4H2D2N2O2 | 10 MG
Uracil-d2 is the deuterium-labeled analogue of uracil, used as an isotopic standard and tracer in analytical and metabolic studies. It is a white to off-white solid with molecular formula C4H2D2N2O2 and CAS number 24897-52-7.
- Deuterium-labeled for mass spectrometry tracing and isotopic studies.
- High reported purity (≈99.9%).
- Suitable as an internal standard for quantitative assays.
- Supplied in small research quantities appropriate for analytical applications.
- Stable as a powder with recommended cold storage to preserve isotopic integrity.
Medchemexpress LLC Octadecanoic-1-13C acid | 85541-42-0 | 99.87% | 250 MG
Stearic acid-1-13C is the 13C labeled Stearic acid, a long chain dietary saturated fatty acid found in many animal and vegetable fats and oils. This compound is used as a tracer and internal standard for quantitative analysis. Stable heavy isotopes have been incorporated into drug molecules for quantitation during drug development, with the potential to affect pharmacokinetic and metabolic profiles.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cambridge Isotope Laboratories L-Ornithine HCl (13C5 99% 15N2 99%) 5 mg
L-Ornithine HCl (13C5 99% 15N2 99%) 5 mg