117919-57-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117919-57-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,1 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 117919-57:
(8*1)+(7*1)+(6*7)+(5*9)+(4*1)+(3*9)+(2*5)+(1*7)=150
150 % 10 = 0
So 117919-57-0 is a valid CAS Registry Number.