1213496-76-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1213496-76-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,3,4,9 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1213496-76:
(9*1)+(8*2)+(7*1)+(6*3)+(5*4)+(4*9)+(3*6)+(2*7)+(1*6)=144
144 % 10 = 4
So 1213496-76-4 is a valid CAS Registry Number.