442913-70-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 442913-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,9,1 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 442913-70:
(8*4)+(7*4)+(6*2)+(5*9)+(4*1)+(3*3)+(2*7)+(1*0)=144
144 % 10 = 4
So 442913-70-4 is a valid CAS Registry Number.