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10-Hydroxy Camptothecin |
1. Production name:10-Hydroxy Camptothecin
2. Structural formula:
3. Molecular formula and Molecular weight: C20H216N2O5 = 364.357
4. CAS.NO: 64439-81-2
5. Physiochemical properties: Yellow needle crystal, melting point: 268 °C ~ 270 °C , it is easy to deteriorate when meeting light. It slightly dissolves in methanol and chloroform, and hardly dissolves in water. It can not form stable salt with acid.
6. Production process: extracting from fruits and leaves of camptotheca acuminata decne , being made from camptothecin .
7. Quality standard:
ITEM |
STANDARD |
Characteristics |
Light yellowish crystallize powder, tasteless |
Identification |
Ultraviolet ray absorption spectrum: accord with the demands
Infrared ray absorption spectrum concordant with reference standard spectrum shall comply with approved tests |
Specific rotation |
-42.5 °~ -45.0 ° |
Melting point |
254.0 ¡æ ~ 264.0 ¡æ |
Drying on loss |
≤ 3.0 % |
Assay |
97.0-103.0% |
Heavy metals |
≤10ppm |
Residue on ignition |
≤ 0.1% |
Solubility |
Dissolve in water, Dissolve as easily in ethanol and chloroform, Dissolve as small in ether . |
Assay |
≥98.0%; 99.0% |
8. Packaging: according to customer's request
9. Shipment quantity: 2000g is ready ,3000g can be provided per month |
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