697297-35-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 697297-35-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,7,2,9 and 7 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 697297-35:
(8*6)+(7*9)+(6*7)+(5*2)+(4*9)+(3*7)+(2*3)+(1*5)=231
231 % 10 = 1
So 697297-35-1 is a valid CAS Registry Number.