1177559-74-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1177559-74-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,7,5,5 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1177559-74:
(9*1)+(8*1)+(7*7)+(6*7)+(5*5)+(4*5)+(3*9)+(2*7)+(1*4)=198
198 % 10 = 8
So 1177559-74-8 is a valid CAS Registry Number.