697789-43-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 697789-43-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,7,7,8 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 697789-43:
(8*6)+(7*9)+(6*7)+(5*7)+(4*8)+(3*9)+(2*4)+(1*3)=258
258 % 10 = 8
So 697789-43-8 is a valid CAS Registry Number.