549479-12-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 549479-12-1 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 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 549479-12:
(8*5)+(7*4)+(6*9)+(5*4)+(4*7)+(3*9)+(2*1)+(1*2)=201
201 % 10 = 1
So 549479-12-1 is a valid CAS Registry Number.