1174-57-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1174-57-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,7 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1174-57:
(6*1)+(5*1)+(4*7)+(3*4)+(2*5)+(1*7)=68
68 % 10 = 8
So 1174-57-8 is a valid CAS Registry Number.