845661-69-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 845661-69-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,5,6,6 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 845661-69:
(8*8)+(7*4)+(6*5)+(5*6)+(4*6)+(3*1)+(2*6)+(1*9)=200
200 % 10 = 0
So 845661-69-0 is a valid CAS Registry Number.