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7-Ethyl-10-Hydroxy Camptothecin |
1. Production name: 7-Ethyl-10-Hydroxy Camptothecin
2. Structural formula:
3. Molecular formula and Molecular weight: C22H20N2O5 = 392.31
4. CAS.NO: 86639-52-3
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. Quality standard:
ITEM TESTED |
STANDARD |
Characteristics |
Light yellowish white crystals powder |
Melting range |
228 ¡« 235 ¡æ |
Identification |
Ultraviolet ray absorption spectrum: Accord with the demands
Infrared ray absorption spectrum concordant with reference standard spectrum shall comply with approved tests
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Related substances |
≤2.0% |
10-hydroxylcamptothecine |
≤0.3% |
7-ethylcamptothecine |
≤0.7% |
Note impurity |
≤1.0% |
Drying on loss |
≤1.0 % |
Heavy metals |
≤10ppm |
Residue on ignition |
≤0.1 % |
clear |
≥lear |
Assay |
HPLC ≥98.0 %; 99.0% |
7. Packaging: according to customer's request
8. Shipment quantity: 2000g is ready ,3000g can be provided per month |
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