345945-45-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 345945-45-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,5,9,4 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 345945-45:
(8*3)+(7*4)+(6*5)+(5*9)+(4*4)+(3*5)+(2*4)+(1*5)=171
171 % 10 = 1
So 345945-45-1 is a valid CAS Registry Number.