Lignans and related compounds
Sigma Aldrich 5-Nitro-2-furoic acid
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Medchemexpress LLC Etoposide impurity 1 (standard) | 23363-35-1 | 562.52 | 50 MG
Etoposide impurity 1, also known as Lignan P, is an analytical and reference standard intended strictly for research and analytical applications. It is not for patient use and is commonly employed in qualitative, quantitative, and methodological research experiments.
- Useful in techniques such as High-Performance Liquid Chromatography (HPLC), Gas Chromatography (GC), and Mass Spectrometry (MS).
- Molecular weight: 562.52
- Molecular formula: C27H30O13
Medchemexpress LLC Anthracene-9-carboxylic acid | 723-62-6 | MFCD00001257 | 222.24 g/mol | C15H10O2 | 500 MG
Anthracene-9-carboxylic acid is an anthracene derivative supplied as an analytical standard for research use. It is commonly used as a chloride current blocker in electrophysiology and as a reference material in analytical testing.
- Analytical standard grade for research applications.
- Molecular formula C15H10O2; molecular weight 222.24 g/mol.
- Used to block Ca2+-activated chloride currents in electrophysiology assays.
- Suitable as a reference standard for chromatographic and spectroscopic analyses.
- Available in multiple pack sizes, including 500 mg.
Medchemexpress LLC N-demethyl lincomycin hydrochloride | 14600-41-0 | MFCD00008831 | >95.0% | 428.97 | C17H33ClN2O6S | 1 MG
N-demethyl lincomycin hydrochloride is the N-demethylated derivative of lincomycin supplied as the hydrochloride salt for research and analytical applications. It is provided as an impurity reference for impurity profiling and method development in analytical laboratories.
- Hydrochloride salt form for improved handling and solubility.
- Intended for use as an analytical standard and impurity reference.
- Applicable to HPLC and method development workflows.
- Molecular formula C17H33ClN2O6S and molecular weight 428.97 g/mol.
- Available in small-scale quantities suitable for analytical testing.
Medchemexpress LLC N-demethyl lincomycin hydrochloride | 14600-41-0 | >95.0% | 428.97 g/mol | C17H33ClN2O6S | 2.5 MG
N-demethyl lincomycin hydrochloride is the hydrochloride salt of 4'-propyl-N-demethyllincomycin and is described as an impurity of lincomycin. It is provided for research and analytical use as an impurity/reference standard and is not for human consumption.
- Hydrochloride salt form suitable for analytical use.
- Used as an impurity standard for lincomycin impurity profiling.
- CAS number 14600-41-0 and molecular formula C17H33ClN2O6S.
- Molecular weight approximately 428.97 g/mol.
- Typical purity >95.0% (HPLC) for reference use.
- Provided in small laboratory quantities for analytical workflows.
Medchemexpress LLC Anthracene-9-carboxylic acid-d9 | 1219803-78-7 | 98.9% | 231.29 | C15HD9O2 | 10 MG
Anthracene-9-carboxylic acid-d9 is the deuterium-labeled analogue of anthracene-9-carboxylic acid used as a laboratory reagent and tracer in biochemical and electrophysiological studies. It is commonly used to block and identify Ca2+-activated Cl- currents (CaCCs) in various cell types.
- Deuterium-labeled analogue for tracer and isotopic studies.
- Reported purity 98.9%.
- Molecular formula C15HD9O2; molecular weight 231.29.
- CAS number 1219803-78-7 for unambiguous identification.
- Available in small pack sizes suitable for research (e.g., 10 mg).
- Supplied with certificate of analysis and safety data sheet.
Medchemexpress LLC Etoposide impurity 1 | 23363-35-1 | MFCD01725594 | 562.52 g/mol | C27H30O13 | 5 MG
Etoposide impurity 1 is an analytical impurity standard of the chemotherapeutic agent etoposide, supplied for method development, impurity profiling, and quality control. It is provided as a solid material with defined storage recommendations to maintain stability for analytical use.
- Analytical reference standard for impurity profiling and method development.
- White to off-white solid suitable for HPLC and LC-MS analyses.
- Molecular formula C27H30O13; molecular weight 562.52 g/mol.
- Available in small pack sizes, including 5 MG, for trace-level studies.
- Store at 4°C under inert gas; in solvent: -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC Lignan P | 23363-35-1 | C27H30O13 | 10MG
Etoposide impurity 1 (Lignan P, CAS 23363-35-1) is an analytical impurity standard used for identification and quantification of etoposide-related impurities. Supplied as a solid reference material, it supports analytical testing, method development, impurity profiling, and quality control. Typical specifications include molecular formula C27H30O13, molecular weight 562.52, and purity >95% (HPLC).
- Analytical reference for impurity identification and quantitation.
- Suitable for HPLC, LC-MS, and NMR method development and validation.
- Supplied as a solid with chemical formula C27H30O13 and MW 562.52.
- High purity (>95.0% by HPLC) for reliable analytical results.
- Intended for pharmaceutical impurity profiling and quality control.
Medchemexpress LLC 5-O-Demethyl-28-hydroxy-Avermectin A1a | 96722-46-2 | 96.0% | 889.08 | 1 MG
5-O-Demethyl-28-hydroxy-Avermectin A1a is a degradation product of Avermectin B1a. It is intended for research use only.
- Degradation product of Avermectin B1a
- For research use only
- Purity: 96.0%
- Molecular weight: 889.08
- Appearance: White to off-white solid
- Storage for powder: -20°C for 3 years, 4°C for 2 years
- Storage in solvent: -80°C for 6 months, -20°C for 1 month
Medchemexpress LLC O-demethyl lenvatinib hydrochloride | 97.1% | 449.29 g/mol | C20H18Cl2N4O4 | 5 MG
O-demethyl lenvatinib hydrochloride is the O-demethylated metabolite of the kinase inhibitor lenvatinib, provided as a hydrochloride salt for research and analytical applications. It is intended as an analytical standard for in vitro studies, method development, and metabolite identification.
- Metabolite of lenvatinib for metabolite profiling and analytical reference.
- Hydrochloride salt form for improved stability and handling.
- High purity (97.1%) suitable for analytical workflows.
- Small 5 mg pack size ideal for method development and reference use.
- Molecular weight 449.29 g/mol and formula C20H18Cl2N4O4 for accurate calculations.
Medchemexpress LLC Anthracene-9-carboxylic acid | 723-62-6 | MFCD00001257 | 222.24 g/mol | C15H10O2 | 1 ML
Anthracene-9-carboxylic acid is an anthracene derivative supplied as a 10 mM solution in DMSO and as solid material. It is used in electrophysiology and cellular studies to block and identify Ca2+-activated Cl- currents (CaCCs). Chemical identifiers: CAS 723-62-6; formula C15H10O2; molecular weight 222.24 g/mol.
- Supplied as a ready-to-use 10 mM solution in DMSO.
- Available as solid for synthesis and analytical use.
- Acts as a blocker and identifier of Ca2+-activated Cl- currents in cell studies.
- Well-characterized chemical properties for reproducible experimental use.
Medchemexpress LLC Anthracene-9-carboxylic acid | 723-62-6 | 222.24 g/mol | C15H10O2 | 1 G
Anthracene-9-carboxylic acid is an anthracene derivative supplied as a solid for laboratory research. It is used to block or identify Ca2+-activated chloride currents and serves as a chloride channel inhibitor in electrophysiology and ion channel studies. Recommended storage and stability information are provided on the supplier datasheet.
- Used to block Ca2+-activated chloride currents
- Suitable for electrophysiology and ion channel research
- Supplied as a powder with defined storage conditions (powder: -20°C or 4°C)
- Key identifiers: CAS number 723-62-6, formula C15H10O2, molecular weight 222.24 g/mol
Medchemexpress LLC O-demethyl lenvatinib hydrochloride | 00-00-0 | 97.1% | C20H18Cl2N4O4 | 10MG
O-demethyl lenvatinib hydrochloride is the hydrochloride salt of the O-demethyl metabolite of lenvatinib, supplied for research use as a solid or as a 10 mM solution in DMSO. It is intended as a reference standard and tool compound for biochemical, cellular, and metabolism studies. Typical listed purity is 97.1% and molecular weight (salt) is 449.29 g·mol-1.
- Hydrochloride salt form for improved solubility in polar solvents.
- Available as solid and as a 10 mM solution in DMSO.
- High purity suitable for analytical and reference standard use.
- Applicable to metabolism, pharmacokinetic, and biochemical studies.
- Supplied in small pack sizes suitable for research-scale experiments.
Medchemexpress LLC Anthracene-9-carboxylic acid-d9 | 1219803-78-7 | 98.9% | 231.29 g/mol | C15HD9O2 | 1 MG
Anthracene-9-carboxylic acid-d9 is the deuterium-labeled analog of anthracene-9-carboxylic acid supplied as a high-purity solid for use as an isotopic standard or tracer in analytical and research applications. It is suitable for mass spectrometry calibration, quantification, and tracer studies where a stable isotope internal standard is required.
- Isotopically labeled for accurate internal standardization in mass spectrometry.
- High purity (98.9%) for reliable analytical results.
- Small 1 mg solid quantity ideal for trace-level standards and calibration.
- CAS number 1219803-78-7 for unambiguous chemical identification.
- Molecular weight 231.29 g/mol and formula C15HD9O2 for reference.
Cayman Chemical Etoposide, 33419-42-0, 50 mg
Molecular Formula C29H32O13, Purity ≥98%, Formula Weight 588.6, Synonyms: EPE, NSC 141540, VP-16-123; An inhibitor of topoisomerase II (IC50 = 60.3 M); can have much greater potencies when evaluated in cell-based cytotoxicity assays (e.g., IC50 = 5.14 nM for MCF-7 cells); can also inhibit nuclear receptor coactivator 3 (IC50 of 2.48 M).