690258-49-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 690258-49-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,2,5 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 690258-49:
(8*6)+(7*9)+(6*0)+(5*2)+(4*5)+(3*8)+(2*4)+(1*9)=182
182 % 10 = 2
So 690258-49-2 is a valid CAS Registry Number.