1584679-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1584679-81-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,4,6,7 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1584679-81:
(9*1)+(8*5)+(7*8)+(6*4)+(5*6)+(4*7)+(3*9)+(2*8)+(1*1)=231
231 % 10 = 1
So 1584679-81-1 is a valid CAS Registry Number.