438049-20-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 438049-20-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,8,0,4 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 438049-20:
(8*4)+(7*3)+(6*8)+(5*0)+(4*4)+(3*9)+(2*2)+(1*0)=148
148 % 10 = 8
So 438049-20-8 is a valid CAS Registry Number.
438049-20-8Relevant articles and documents
Novel piperazine derivatives
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, (2008/06/13)
The present invention is a chemical compound of formula (I) or a pharmaceutically acceptable salts, solvates and esters thereof, wherein R1 to R4, A1, A2 m and n are as described in the specification.