477700-61-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 477700-61-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,7,7,0 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 477700-61:
(8*4)+(7*7)+(6*7)+(5*7)+(4*0)+(3*0)+(2*6)+(1*1)=171
171 % 10 = 1
So 477700-61-1 is a valid CAS Registry Number.