199671-08-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 199671-08-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,6,7 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 199671-08:
(8*1)+(7*9)+(6*9)+(5*6)+(4*7)+(3*1)+(2*0)+(1*8)=194
194 % 10 = 4
So 199671-08-4 is a valid CAS Registry Number.