697240-78-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 697240-78-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,7,2,4 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 697240-78:
(8*6)+(7*9)+(6*7)+(5*2)+(4*4)+(3*0)+(2*7)+(1*8)=201
201 % 10 = 1
So 697240-78-1 is a valid CAS Registry Number.