196791-54-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 196791-54-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,7,9 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 196791-54:
(8*1)+(7*9)+(6*6)+(5*7)+(4*9)+(3*1)+(2*5)+(1*4)=195
195 % 10 = 5
So 196791-54-5 is a valid CAS Registry Number.