403710-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 403710-57-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,3,7,1 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 403710-57:
(8*4)+(7*0)+(6*3)+(5*7)+(4*1)+(3*0)+(2*5)+(1*7)=106
106 % 10 = 6
So 403710-57-6 is a valid CAS Registry Number.