1024448-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1024448-57-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,4,4,4 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1024448-57:
(9*1)+(8*0)+(7*2)+(6*4)+(5*4)+(4*4)+(3*8)+(2*5)+(1*7)=124
124 % 10 = 4
So 1024448-57-4 is a valid CAS Registry Number.