Lignans and related compounds
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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
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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).