1384449-58-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1384449-58-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,4,4,4 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1384449-58:
(9*1)+(8*3)+(7*8)+(6*4)+(5*4)+(4*4)+(3*9)+(2*5)+(1*8)=194
194 % 10 = 4
So 1384449-58-4 is a valid CAS Registry Number.