549531-94-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 549531-94-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,9,5,3 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 549531-94:
(8*5)+(7*4)+(6*9)+(5*5)+(4*3)+(3*1)+(2*9)+(1*4)=184
184 % 10 = 4
So 549531-94-4 is a valid CAS Registry Number.