897445-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 897445-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,7,4,4 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 897445-49:
(8*8)+(7*9)+(6*7)+(5*4)+(4*4)+(3*5)+(2*4)+(1*9)=237
237 % 10 = 7
So 897445-49-7 is a valid CAS Registry Number.