1908-89-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1908-89-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,0 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1908-89:
(6*1)+(5*9)+(4*0)+(3*8)+(2*8)+(1*9)=100
100 % 10 = 0
So 1908-89-0 is a valid CAS Registry Number.