1143579-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1143579-80-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,3,5,7 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1143579-80:
(9*1)+(8*1)+(7*4)+(6*3)+(5*5)+(4*7)+(3*9)+(2*8)+(1*0)=159
159 % 10 = 9
So 1143579-80-9 is a valid CAS Registry Number.