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159425-56-6

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159425-56-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159425-56-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,4,2 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 159425-56:
(8*1)+(7*5)+(6*9)+(5*4)+(4*2)+(3*5)+(2*5)+(1*6)=156
156 % 10 = 6
So 159425-56-6 is a valid CAS Registry Number.

159425-56-6Relevant articles and documents

Total synthesis of balanol, part 2. Completion of the synthesis and investigation of the structure and reactivity of two key heterocyclic intermediates

Tanner, David,Tedenborg, Lars,Almario, Antonio,Pettersson, Ingrid,Csoeregh, Ingeborg,Kelly, Nicholas M.,Andersson, Pher G.,Hoegberg, Thomas

, p. 4857 - 4868 (2007/10/03)

A convergent enantioselective total synthesis of the natural product (-)-balanol (1) is described. In addition to benzophenone fragment 8, key intermediates are chiral bicyclic aziridine 3 and the corresponding epoxide 4, both of which undergo highly regi

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