1577179-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1577179-97-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,7,1,7 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1577179-97:
(9*1)+(8*5)+(7*7)+(6*7)+(5*1)+(4*7)+(3*9)+(2*9)+(1*7)=225
225 % 10 = 5
So 1577179-97-5 is a valid CAS Registry Number.