220986-43-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220986-43-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,9,8 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 220986-43:
(8*2)+(7*2)+(6*0)+(5*9)+(4*8)+(3*6)+(2*4)+(1*3)=136
136 % 10 = 6
So 220986-43-6 is a valid CAS Registry Number.