1134918-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1134918-17-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,4,9,1 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1134918-17:
(9*1)+(8*1)+(7*3)+(6*4)+(5*9)+(4*1)+(3*8)+(2*1)+(1*7)=144
144 % 10 = 4
So 1134918-17-4 is a valid CAS Registry Number.