697739-08-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 697739-08-5 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 9 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 697739-08:
(8*6)+(7*9)+(6*7)+(5*7)+(4*3)+(3*9)+(2*0)+(1*8)=235
235 % 10 = 5
So 697739-08-5 is a valid CAS Registry Number.