104158-44-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104158-44-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,1,5 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 104158-44:
(8*1)+(7*0)+(6*4)+(5*1)+(4*5)+(3*8)+(2*4)+(1*4)=93
93 % 10 = 3
So 104158-44-3 is a valid CAS Registry Number.