697290-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 697290-52-1 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 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 697290-52:
(8*6)+(7*9)+(6*7)+(5*2)+(4*9)+(3*0)+(2*5)+(1*2)=211
211 % 10 = 1
So 697290-52-1 is a valid CAS Registry Number.