Camptothecin is a cytotoxic quinoline alkaloid , inhibiting the DNA enzyme topoisomerase Ito fight cancers, a pharmaceutical intermediates mainly used for derivatives SN38, Irinotecan( CPT-11)，Topotecan, Exatecan and Lurtotecan.

Origin: Camptotheca acuminate or Nothapodytes pittosporoides

CAS# No.: 7689-03-4

Molecular formula：C20H16N2O4

Molecular weight：348.34

Standard: In house

Specification: 95% 98% 99% (by HPLC)

Single impurity: less than 0.5% can be achieved, or <0.1% as required

Capacity:200kg per month