478189-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 478189-98-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,8,1,8 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 478189-98:
(8*4)+(7*7)+(6*8)+(5*1)+(4*8)+(3*9)+(2*9)+(1*8)=219
219 % 10 = 9
So 478189-98-9 is a valid CAS Registry Number.