184840-98-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 184840-98-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,4,8,4 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 184840-98:
(8*1)+(7*8)+(6*4)+(5*8)+(4*4)+(3*0)+(2*9)+(1*8)=170
170 % 10 = 0
So 184840-98-0 is a valid CAS Registry Number.