448221-46-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 448221-46-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,8,2,2 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 448221-46:
(8*4)+(7*4)+(6*8)+(5*2)+(4*2)+(3*1)+(2*4)+(1*6)=143
143 % 10 = 3
So 448221-46-3 is a valid CAS Registry Number.