1006440-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1006440-77-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,6,4,4 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1006440-77:
(9*1)+(8*0)+(7*0)+(6*6)+(5*4)+(4*4)+(3*0)+(2*7)+(1*7)=102
102 % 10 = 2
So 1006440-77-2 is a valid CAS Registry Number.