477937-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 477937-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,7,9,3 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 477937-40:
(8*4)+(7*7)+(6*7)+(5*9)+(4*3)+(3*7)+(2*4)+(1*0)=209
209 % 10 = 9
So 477937-40-9 is a valid CAS Registry Number.