383427-84-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 383427-84-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,3,4,2 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 383427-84:
(8*3)+(7*8)+(6*3)+(5*4)+(4*2)+(3*7)+(2*8)+(1*4)=167
167 % 10 = 7
So 383427-84-7 is a valid CAS Registry Number.
383427-84-7Relevant articles and documents
Novel process for the preparation of pyrazolopyrimidinones
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, (2008/06/13)
There is provided a process for the production a compound of general formula I: wherein A, R1, R2, R3 and R4 have meanings given in the description, which process comprises the reaction of a compound of formula II, wherein Rx is a group substitutable by an aminopyrazole, with a compound of general formula III