717107-08-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 717107-08-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,7,1,0 and 7 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 717107-08:
(8*7)+(7*1)+(6*7)+(5*1)+(4*0)+(3*7)+(2*0)+(1*8)=139
139 % 10 = 9
So 717107-08-9 is a valid CAS Registry Number.