442863-26-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 442863-26-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,8,6 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 442863-26:
(8*4)+(7*4)+(6*2)+(5*8)+(4*6)+(3*3)+(2*2)+(1*6)=155
155 % 10 = 5
So 442863-26-5 is a valid CAS Registry Number.