310457-91-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 310457-91-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,0,4,5 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 310457-91:
(8*3)+(7*1)+(6*0)+(5*4)+(4*5)+(3*7)+(2*9)+(1*1)=111
111 % 10 = 1
So 310457-91-1 is a valid CAS Registry Number.