549475-94-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 549475-94-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,9,4,7 and 5 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 549475-94:
(8*5)+(7*4)+(6*9)+(5*4)+(4*7)+(3*5)+(2*9)+(1*4)=207
207 % 10 = 7
So 549475-94-7 is a valid CAS Registry Number.