340171-54-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 340171-54-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,0,1,7 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 340171-54:
(8*3)+(7*4)+(6*0)+(5*1)+(4*7)+(3*1)+(2*5)+(1*4)=102
102 % 10 = 2
So 340171-54-2 is a valid CAS Registry Number.