489-36-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 489-36-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,8 and 9 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 489-36:
(5*4)+(4*8)+(3*9)+(2*3)+(1*6)=91
91 % 10 = 1
So 489-36-1 is a valid CAS Registry Number.