900189-14-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 900189-14-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,1,8 and 9 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 900189-14:
(8*9)+(7*0)+(6*0)+(5*1)+(4*8)+(3*9)+(2*1)+(1*4)=142
142 % 10 = 2
So 900189-14-2 is a valid CAS Registry Number.