Isotopically Labeled Compounds
Medchemexpress LLC 1-hydroxypyrene-d9 | 132603-37-3 | MFCD04972163 | 100.0% | 227.31 g·mol⁻¹ | C16HD9O | 10 MG
Deuterium-labeled 1-hydroxypyrene (d9) is an isotopically labeled internal standard used for quantitative analysis of 1-hydroxypyrene in biological and environmental samples by GC-MS or LC-MS. Supplied as a high-purity white to off-white powder, it provides consistent response and traceability for analytical and metabolic studies.
- High isotopic and chemical purity for accurate quantification.
- Suitable as an internal standard for GC-MS and LC-MS methods.
- Solid powder form for convenient handling and spiking.
- Storage at -20°C preserves long-term stability.
- Available in small sizes tailored to analytical workflows.
American Radiolabeled Chemicals Inc TELMISARTAN-3H(G) 50UC
Telmisartan-3H(G) 50uCi in ethanol, 1 mCi/ml, S.A. 5-15 Ci/mmol, M.W. 514.62, Exclusive
Medchemexpress LLC Ponesimod-d7 100ug | 100UG
Ponesimod-d7 (ACT-128800-d7) is the deuterium-labeled Ponesimod (HY-10569) Ponesimod-d7 (ACT-128800) is a potent selective and orally active agonist of S1P1 with an IC50 of 6 nM in a radioligand binding assay Ponesimod-d7 activates S1P1-mediated signal transduction with high potency (EC50 5 7 nM) Ponesimod-d7 can protect against lymphocyte-mediated tissue inflammation[1 [2 [3
Medchemexpress LLC L-Kynurenine-d4-1 hy 5mg | 5MG
L-Kynurenine-d4-1 hydrochloride is the deuterium labeled L-Kynurenine (HY-104026) L-Kynurenine is a metabolite of the amino acid L-tryptophan L-Kynurenine is an aryl hydrocarbon receptor agonist[1 [2
Medchemexpress LLC Fenoverine-d8 | 00-00-0 | MFCD00865242 | 98.9% | 467.61 g·mol⁻1 | C26H17D8N3O3S | 10 MG
Fenoverine-d8 is a deuterium-labeled analytical standard of fenoverine used as a stable isotope internal standard in quantitative LC-MS and other analytical assays. It is provided with high purity and defined molecular properties for method development, validation, and pharmacokinetic or bioanalysis studies.
- Deuterium-labeled internal standard for LC-MS quantitation.
- High purity suitable for analytical applications.
- Characterized molecular weight and formula for accurate identification.
- Available in multiple small package sizes for method development.
- Provides improved accuracy in pharmacokinetic and bioanalysis studies.
Medchemexpress LLC Pyridoxal-d3 hydroch 1mg | 1173023-49-8 | 1MG
Pyridoxal-d3 (hydrochloride) is the deuterium labeled Pyridoxal hydrochloride[1
Medchemexpress LLC Fumaric acid-d4 | 194160-45-7 | MFCD00190450 | 98.0% | 120.10 | C4D4O4 | 5 MG
Deuterium-labeled fumaric acid (fumaric acid-d4) is an isotopically labeled reference material for use in metabolomics, tracer experiments, and analytical method development. It provides a characterized standard for quantitation and pathway studies involving fumaric acid and related metabolites.
- HPLC purity 98%.
- Molecular formula C4D4O4; molecular weight 120.10.
- Suitable for metabolomics and tracer studies.
- Supplied as a small-mass solid for analytical use.
- Certificate of analysis available for batch-specific validation.
Strem, An Ascensus Company CAS# 144222-34-4. 10g. (1R,2R)-(-)-N-(4-toluenesulfonyl)-1,2-diphenylethylenediamine, 98% (R,R)-TsDPEN. MFCD02093428
CAS# 144222-34-4. 10g. (1R,2R)-(-)-N-(4-toluenesulfonyl)-1,2-diphenylethylenediamine, 98% (R,R)-TsDPEN. MFCD02093428. Molecular Weight: 366.48. Molecular Formula: C21H22N2O2S. Color/form: white xtl. Strem# 07-2371. http://www.strem.com/catalog/v/07-2371/
Cambridge Isotope Laboratories Cyhalothrin (mixture of isomers) 100 ug/mL in nonane | 68085-85-8 | MFCD00144031 | 1.2mL
Cyhalothrin (mixture of isomers) 100 ug/mL in nonane | Putity: 98% | MW: 455.89 | 68085-85-8 | MFCD00144031 | 1.2mL
Medchemexpress LLC Chlorpropham-d7 | 2140327-49-5 | 99.0% | 220.70 | C10H5D7ClNO2 | 1 MG
Chlorpropham-d7 is a deuterium-labeled isotopic standard of the herbicide chlorpropham intended for analytical and research applications. It is used as an internal standard or tracer in mass spectrometry and isotope-dilution studies to enable accurate quantification and method validation.
- Deuterium-labeled isotopic standard for analytical use.
- Molecular formula C10H5D7ClNO2 and molecular weight 220.70.
- High purity: 99.0% (HPLC) as reported on the certificate of analysis.
- Intended for use as an internal standard or tracer in mass spectrometry and quantitative analysis.
- Storage: powder -20°C (stable for 3 years); in solvent -80°C for 6 months, -20°C for 1 month.
Medchemexpress LLC Ac-CoA synthase inhibitor 1 | 508186-14-9 | 99.7% | 410.51 g/mol | C20H18N4O2S2 | 1 ML
Ac-CoA synthase inhibitor 1 is a small-molecule inhibitor of acetyl-CoA synthetase 2 (ACSS2) for research applications. It is supplied as a 10 mM solution in DMSO and is also available as a powder; characterized by CAS 508186-14-9, molecular formula C20H18N4O2S2, and molecular weight 410.51 g/mol.
- Targets acetyl-CoA synthetase 2 (ACSS2) for pathway and antiviral research.
- Supplied as a 10 mM solution in DMSO, ready for in vitro use.
- High purity: 99.7%.
- Light yellow solid appearance when dry.
- Stable under recommended storage: powder -20°C or 4°C; in solvent -80°C or -20°C.
- Structure and identifiers provided for reproducibility.