477312-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 477312-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,7,3,1 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 477312-20:
(8*4)+(7*7)+(6*7)+(5*3)+(4*1)+(3*2)+(2*2)+(1*0)=152
152 % 10 = 2
So 477312-20-2 is a valid CAS Registry Number.