2317-95-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2317-95-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,3,1 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2317-95:
(6*2)+(5*3)+(4*1)+(3*7)+(2*9)+(1*5)=75
75 % 10 = 5
So 2317-95-5 is a valid CAS Registry Number.