34845-31-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34845-31-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,8,4 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 34845-31:
(7*3)+(6*4)+(5*8)+(4*4)+(3*5)+(2*3)+(1*1)=123
123 % 10 = 3
So 34845-31-3 is a valid CAS Registry Number.