317351-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 317351-84-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,7,3,5 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 317351-84:
(8*3)+(7*1)+(6*7)+(5*3)+(4*5)+(3*1)+(2*8)+(1*4)=131
131 % 10 = 1
So 317351-84-1 is a valid CAS Registry Number.