544419-63-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 544419-63-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,4,4,1 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 544419-63:
(8*5)+(7*4)+(6*4)+(5*4)+(4*1)+(3*9)+(2*6)+(1*3)=158
158 % 10 = 8
So 544419-63-8 is a valid CAS Registry Number.