34322-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34322-81-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,3,2 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 34322-81:
(7*3)+(6*4)+(5*3)+(4*2)+(3*2)+(2*8)+(1*1)=91
91 % 10 = 1
So 34322-81-1 is a valid CAS Registry Number.