29289-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29289-98-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,2,8 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 29289-98:
(7*2)+(6*9)+(5*2)+(4*8)+(3*9)+(2*9)+(1*8)=163
163 % 10 = 3
So 29289-98-3 is a valid CAS Registry Number.