34388-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34388-71-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,3,8 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 34388-71:
(7*3)+(6*4)+(5*3)+(4*8)+(3*8)+(2*7)+(1*1)=131
131 % 10 = 1
So 34388-71-1 is a valid CAS Registry Number.