900189-02-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 900189-02-8 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, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 900189-02:
(8*9)+(7*0)+(6*0)+(5*1)+(4*8)+(3*9)+(2*0)+(1*2)=138
138 % 10 = 8
So 900189-02-8 is a valid CAS Registry Number.