289686-84-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 289686-84-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,6,8 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 289686-84:
(8*2)+(7*8)+(6*9)+(5*6)+(4*8)+(3*6)+(2*8)+(1*4)=226
226 % 10 = 6
So 289686-84-6 is a valid CAS Registry Number.