477852-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 477852-71-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,7,8,5 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 477852-71:
(8*4)+(7*7)+(6*7)+(5*8)+(4*5)+(3*2)+(2*7)+(1*1)=204
204 % 10 = 4
So 477852-71-4 is a valid CAS Registry Number.