478623-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 478623-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,8,6,2 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 478623-90:
(8*4)+(7*7)+(6*8)+(5*6)+(4*2)+(3*3)+(2*9)+(1*0)=194
194 % 10 = 4
So 478623-90-4 is a valid CAS Registry Number.