149837-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149837-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,8,3 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 149837-89:
(8*1)+(7*4)+(6*9)+(5*8)+(4*3)+(3*7)+(2*8)+(1*9)=188
188 % 10 = 8
So 149837-89-8 is a valid CAS Registry Number.