1030340-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1030340-77-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,0,3,4 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1030340-77:
(9*1)+(8*0)+(7*3)+(6*0)+(5*3)+(4*4)+(3*0)+(2*7)+(1*7)=82
82 % 10 = 2
So 1030340-77-2 is a valid CAS Registry Number.