118174-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118174-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,1,7 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 118174-91:
(8*1)+(7*1)+(6*8)+(5*1)+(4*7)+(3*4)+(2*9)+(1*1)=127
127 % 10 = 7
So 118174-91-7 is a valid CAS Registry Number.