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840528-23-6

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840528-23-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 840528-23-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,0,5,2 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 840528-23:
(8*8)+(7*4)+(6*0)+(5*5)+(4*2)+(3*8)+(2*2)+(1*3)=156
156 % 10 = 6
So 840528-23-6 is a valid CAS Registry Number.

840528-23-6Relevant articles and documents

Process for preparing C7 intermediates and their use in the preparation on N-substituted pyrrole derivatives

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Page/Page column 30, (2010/11/28)

The present invention relates to a process for preparing C7 intermediates and their use in the preparation of pyrrole derivatives of a class that is effective at inhibiting the biosynthesis of cholesterol in humans, and more particularly to improved synthetic methods for preparing 3,5-dihydroxy-7-pyrrol-1-yl heptanoic acids. The invention further relates to intermediates in this process.

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