817618-09-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 817618-09-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,7,6,1 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 817618-09:
(8*8)+(7*1)+(6*7)+(5*6)+(4*1)+(3*8)+(2*0)+(1*9)=180
180 % 10 = 0
So 817618-09-0 is a valid CAS Registry Number.