684285-99-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 684285-99-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,4,2,8 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 684285-99:
(8*6)+(7*8)+(6*4)+(5*2)+(4*8)+(3*5)+(2*9)+(1*9)=212
212 % 10 = 2
So 684285-99-2 is a valid CAS Registry Number.