317342-27-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 317342-27-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,7,3,4 and 2 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 317342-27:
(8*3)+(7*1)+(6*7)+(5*3)+(4*4)+(3*2)+(2*2)+(1*7)=121
121 % 10 = 1
So 317342-27-1 is a valid CAS Registry Number.