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1245553-60-9

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1245553-60-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1245553-60-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,5,5,5 and 3 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1245553-60:
(9*1)+(8*2)+(7*4)+(6*5)+(5*5)+(4*5)+(3*3)+(2*6)+(1*0)=149
149 % 10 = 9
So 1245553-60-9 is a valid CAS Registry Number.

1245553-60-9Relevant articles and documents

A highly convergent and efficient synthesis of a macrocyclic hepatitis C virus protease inhibitor BI 201302

Wei, Xudong,Shu, Chutian,Haddad, Nizar,Zeng, Xingzhong,Patel, Nitinchandra D.,Tan, Zhulin,Liu, Jianxiu,Lee, Heewon,Shen, Sherry,Campbell, Scot,Varsolona, Richard J.,Busacca, Carl A.,Hossain, Azad,Yee, Nathan K.,Senanayake, Chris H.

supporting information, p. 1016 - 1019 (2013/04/10)

A highly convergent large scale synthesis of a 15-membered macrocyclic hepatitis C virus (HCV) protease inhibitor BI 201302 was achieved, in which the key features are the practical macrocyclization by Ru-catalyzed ring-closing metathesis (0.1 mol % Grela catalyst, 0.1-0.2 M concentration) and the efficient sulfone-mediated SNAr reaction.

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