444057-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 444057-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,0,5 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 444057-90:
(8*4)+(7*4)+(6*4)+(5*0)+(4*5)+(3*7)+(2*9)+(1*0)=143
143 % 10 = 3
So 444057-90-3 is a valid CAS Registry Number.