106781-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106781-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,7,8 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 106781-84:
(8*1)+(7*0)+(6*6)+(5*7)+(4*8)+(3*1)+(2*8)+(1*4)=134
134 % 10 = 4
So 106781-84-4 is a valid CAS Registry Number.