10405-34-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10405-34-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,4,0 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 10405-34:
(7*1)+(6*0)+(5*4)+(4*0)+(3*5)+(2*3)+(1*4)=52
52 % 10 = 2
So 10405-34-2 is a valid CAS Registry Number.