1394-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1394-89-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,9 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1394-89:
(6*1)+(5*3)+(4*9)+(3*4)+(2*8)+(1*9)=94
94 % 10 = 4
So 1394-89-4 is a valid CAS Registry Number.