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128718-25-2

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128718-25-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128718-25-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,1 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 128718-25:
(8*1)+(7*2)+(6*8)+(5*7)+(4*1)+(3*8)+(2*2)+(1*5)=142
142 % 10 = 2
So 128718-25-2 is a valid CAS Registry Number.

128718-25-2Downstream Products

128718-25-2Relevant articles and documents

Total synthesis and absolute stereochemistry of integric acid

Waalboer, Dennis C. J.,Van Kalkeren, Henri A.,Schaapman, Mark C.,Van Delft, Floris L.,Rutjes, Floris P. J. T.

supporting information; experimental part, p. 8878 - 8881 (2010/03/01)

(Chemical Equation Presented) An efficient total synthesis of integric acid is described starting from the Wieland-Miescher ketone. Key steps involve a one-step orthogonal deprotection/protection strategy of a thioacetal/aldehyde and the selective oxidati

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