104197-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104197-47-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,1,9 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 104197-47:
(8*1)+(7*0)+(6*4)+(5*1)+(4*9)+(3*7)+(2*4)+(1*7)=109
109 % 10 = 9
So 104197-47-9 is a valid CAS Registry Number.