697242-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 697242-98-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,7,2,4 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 697242-98:
(8*6)+(7*9)+(6*7)+(5*2)+(4*4)+(3*2)+(2*9)+(1*8)=211
211 % 10 = 1
So 697242-98-1 is a valid CAS Registry Number.