697-48-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 697-48-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,9 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 697-48:
(5*6)+(4*9)+(3*7)+(2*4)+(1*8)=103
103 % 10 = 3
So 697-48-3 is a valid CAS Registry Number.