477781-39-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 477781-39-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,7,7,8 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 477781-39:
(8*4)+(7*7)+(6*7)+(5*7)+(4*8)+(3*1)+(2*3)+(1*9)=208
208 % 10 = 8
So 477781-39-8 is a valid CAS Registry Number.