1447801-55-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1447801-55-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,7,8,0 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1447801-55:
(9*1)+(8*4)+(7*4)+(6*7)+(5*8)+(4*0)+(3*1)+(2*5)+(1*5)=169
169 % 10 = 9
So 1447801-55-9 is a valid CAS Registry Number.