197892-53-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197892-53-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,8,9 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 197892-53:
(8*1)+(7*9)+(6*7)+(5*8)+(4*9)+(3*2)+(2*5)+(1*3)=208
208 % 10 = 8
So 197892-53-8 is a valid CAS Registry Number.