104182-42-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104182-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,1,8 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 104182-42:
(8*1)+(7*0)+(6*4)+(5*1)+(4*8)+(3*2)+(2*4)+(1*2)=85
85 % 10 = 5
So 104182-42-5 is a valid CAS Registry Number.