19399-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19399-77-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,3,9 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19399-77:
(7*1)+(6*9)+(5*3)+(4*9)+(3*9)+(2*7)+(1*7)=160
160 % 10 = 0
So 19399-77-0 is a valid CAS Registry Number.