549476-67-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 549476-67-7 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 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 549476-67:
(8*5)+(7*4)+(6*9)+(5*4)+(4*7)+(3*6)+(2*6)+(1*7)=207
207 % 10 = 7
So 549476-67-7 is a valid CAS Registry Number.