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477884-76-7

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477884-76-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 477884-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,7,8,8 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 477884-76:
(8*4)+(7*7)+(6*7)+(5*8)+(4*8)+(3*4)+(2*7)+(1*6)=227
227 % 10 = 7
So 477884-76-7 is a valid CAS Registry Number.

477884-76-7Relevant articles and documents

Processes and intermediates for the preparations of prostaglandins

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Page/Page column 15-16, (2008/06/13)

The present invention provides novel processes for the preparation of a cyclopentanone of Formula II and a lactone of Formula I, which are useful in the production of prostaglandins: wherein Z, R2, R3, X1, X2, and are as defined in the specification. The invention also provides novel enantiomerically enriched compounds.

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