317358-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 317358-05-7 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 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 317358-05:
(8*3)+(7*1)+(6*7)+(5*3)+(4*5)+(3*8)+(2*0)+(1*5)=137
137 % 10 = 7
So 317358-05-7 is a valid CAS Registry Number.