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Camptothecin |
1. Production name: camptothecin
2. Structural formula:
3. Molecular formula&Molecular weight: C20H16N2O4 =348.34
4. CAS.NO: 7689-03-4
5. Physiochemical properties: Light yellow needle crystal (methanol-aceto ne ), melting
point:259°C~263°C, (α) 25 D+31.3°(chloroform-methanol), i t is easy to deteriorate when
meeting light . It slightly dissolves in alcohol .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: extracting from fruits of camptotheca acuminata decne
7. Quality standard:
Items |
Standard |
Characteristics |
Light yellowish white crystals powder |
Identification |
(1) Ultraviolet ray absorption spectrum : Accord with the demands
(2) Infrared ray absorption spectrum concordant with reference standard spectrum shall comply with approved tests |
Melting range |
258°C~263°C |
Related substances |
Total impurities ≤1.0% |
Drying on loss |
≤0.5 % |
Residue on ignition |
≤0.1% |
Heavy m e tal |
≥10ppm |
Assay |
HPLC≥99.0 % |
Specific rotation |
+2 9 °~+32 ° |
8. Package: according to customer's request
9. Shipment quantity: no limit |
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