717837-58-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 717837-58-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,7,8,3 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 717837-58:
(8*7)+(7*1)+(6*7)+(5*8)+(4*3)+(3*7)+(2*5)+(1*8)=196
196 % 10 = 6
So 717837-58-6 is a valid CAS Registry Number.