697734-45-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 697734-45-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,7,7,3 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 697734-45:
(8*6)+(7*9)+(6*7)+(5*7)+(4*3)+(3*4)+(2*4)+(1*5)=225
225 % 10 = 5
So 697734-45-5 is a valid CAS Registry Number.