317806-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 317806-76-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,7,8,0 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 317806-76:
(8*3)+(7*1)+(6*7)+(5*8)+(4*0)+(3*6)+(2*7)+(1*6)=151
151 % 10 = 1
So 317806-76-1 is a valid CAS Registry Number.