442906-84-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 442906-84-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,9,0 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 442906-84:
(8*4)+(7*4)+(6*2)+(5*9)+(4*0)+(3*6)+(2*8)+(1*4)=155
155 % 10 = 5
So 442906-84-5 is a valid CAS Registry Number.