217174-79-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 217174-79-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,1,7 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 217174-79:
(8*2)+(7*1)+(6*7)+(5*1)+(4*7)+(3*4)+(2*7)+(1*9)=133
133 % 10 = 3
So 217174-79-3 is a valid CAS Registry Number.