445218-47-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 445218-47-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,5,2,1 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 445218-47:
(8*4)+(7*4)+(6*5)+(5*2)+(4*1)+(3*8)+(2*4)+(1*7)=143
143 % 10 = 3
So 445218-47-3 is a valid CAS Registry Number.