842104-09-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 842104-09-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,2,1,0 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 842104-09:
(8*8)+(7*4)+(6*2)+(5*1)+(4*0)+(3*4)+(2*0)+(1*9)=130
130 % 10 = 0
So 842104-09-0 is a valid CAS Registry Number.