34219-54-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34219-54-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,2,1 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 34219-54:
(7*3)+(6*4)+(5*2)+(4*1)+(3*9)+(2*5)+(1*4)=100
100 % 10 = 0
So 34219-54-0 is a valid CAS Registry Number.