298216-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 298216-98-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,8,2,1 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 298216-98:
(8*2)+(7*9)+(6*8)+(5*2)+(4*1)+(3*6)+(2*9)+(1*8)=185
185 % 10 = 5
So 298216-98-5 is a valid CAS Registry Number.