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1103963-53-6

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1103963-53-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1103963-53-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,0,3,9,6 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1103963-53:
(9*1)+(8*1)+(7*0)+(6*3)+(5*9)+(4*6)+(3*3)+(2*5)+(1*3)=126
126 % 10 = 6
So 1103963-53-6 is a valid CAS Registry Number.

1103963-53-6Relevant articles and documents

Total synthesis of thuggacin B

Bock, Martin,Dehn, Richard,Kirschning, Andreas

, p. 9134 - 9137 (2008)

Final proof of the complete structures of thuggacins A-C was gained by a highly convergent and flexible total synthesis. Notable features include a substrate-controlled, titanium-mediated aldol reaction, a cross-metathesis approach for converting terminal alkenes into the corresponding vinyl iodides, and the cross-coupling of a complex vinyl iodide and terminal alkyne in the Sonogashira reaction. (Chemical Equation Presented).

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