61889-59-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61889-59-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,8,8 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 61889-59:
(7*6)+(6*1)+(5*8)+(4*8)+(3*9)+(2*5)+(1*9)=166
166 % 10 = 6
So 61889-59-6 is a valid CAS Registry Number.