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7-ethyl-Camptothecin |
1. Production name: 7-ethyl-Camptothecin
2. Structural formula:
3. Molecular formula and Molecular weight: C22H20N2O4=350.31
4. CAS.NO:
5. Physiochemical properties: Light yellow needle crystal, melting point :228 °C~235°C, it is easy to deteriorate when meeting light . It slightly dissolves in methanol, alcohol and chloroform. It easily dissolves in the solution of chloroform and methanol and hardly in water. It can not form stable salt with acid.
6. Production process: derivatives form Camptothecin
7. Quality standard:
Appearance: |
Brilliant yellow crystals |
Melting point |
228°C ~235°C(decomposition) |
Identification: |
IR , NMR spectrum conforms to standard |
Loss on drying( %): |
≤0.5 |
Related substances( %): |
≤1.5 |
Assay (%): |
≥98 .0 (HPLC) |
8. Packaging: according to customer's request
9. Shipment quantity: 2000g is ready ,5000g can be provided per month |
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