113405-09-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 113405-09-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,4,0 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 113405-09:
(8*1)+(7*1)+(6*3)+(5*4)+(4*0)+(3*5)+(2*0)+(1*9)=77
77 % 10 = 7
So 113405-09-7 is a valid CAS Registry Number.
113405-09-7Relevant academic research and scientific papers
Camptothecin derivatives
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Page column 52, (2008/06/13)
(20S) esters of camptothecin analogs are provided. The compounds are (20S) esters of an oxyalkanoic acid and camptothecin, which is optionally substituted at the 7, 9, 10, 11, and 12 positions of the camptothecin ring. The compounds are useful for treatin
