121889-48-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121889-48-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,8,8 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 121889-48:
(8*1)+(7*2)+(6*1)+(5*8)+(4*8)+(3*9)+(2*4)+(1*8)=143
143 % 10 = 3
So 121889-48-3 is a valid CAS Registry Number.