817567-75-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 817567-75-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,7,5,6 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 817567-75:
(8*8)+(7*1)+(6*7)+(5*5)+(4*6)+(3*7)+(2*7)+(1*5)=202
202 % 10 = 2
So 817567-75-2 is a valid CAS Registry Number.