548445-91-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 548445-91-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,8,4,4 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 548445-91:
(8*5)+(7*4)+(6*8)+(5*4)+(4*4)+(3*5)+(2*9)+(1*1)=186
186 % 10 = 6
So 548445-91-6 is a valid CAS Registry Number.