106840-03-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106840-03-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,8,4 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 106840-03:
(8*1)+(7*0)+(6*6)+(5*8)+(4*4)+(3*0)+(2*0)+(1*3)=103
103 % 10 = 3
So 106840-03-3 is a valid CAS Registry Number.