220861-39-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220861-39-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,8,6 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 220861-39:
(8*2)+(7*2)+(6*0)+(5*8)+(4*6)+(3*1)+(2*3)+(1*9)=112
112 % 10 = 2
So 220861-39-2 is a valid CAS Registry Number.