541544-19-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 541544-19-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,1,5,4 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 541544-19:
(8*5)+(7*4)+(6*1)+(5*5)+(4*4)+(3*4)+(2*1)+(1*9)=138
138 % 10 = 8
So 541544-19-8 is a valid CAS Registry Number.