717835-22-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 717835-22-8 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 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 717835-22:
(8*7)+(7*1)+(6*7)+(5*8)+(4*3)+(3*5)+(2*2)+(1*2)=178
178 % 10 = 8
So 717835-22-8 is a valid CAS Registry Number.