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1353579-43-7

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1353579-43-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1353579-43-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,3,5,7 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1353579-43:
(9*1)+(8*3)+(7*5)+(6*3)+(5*5)+(4*7)+(3*9)+(2*4)+(1*3)=177
177 % 10 = 7
So 1353579-43-7 is a valid CAS Registry Number.

1353579-43-7Relevant articles and documents

Total synthesis of camptothecin and SN-38

Yu, Shanbao,Huang, Qing-Qing,Luo, Yu,Lu, Wei

, p. 713 - 717 (2012/03/11)

A new practical and concise total synthesis of enantiopure camptothecin and SN-38 (14% overall yield, 99.9% ee and 99.9% purity) was described, starting from inexpensive and readily available materials. The development of column chromatography-free purification was achieved in all steps, which offers an economic industrial process to the camptothecin-family alkaloids.

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