34513-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34513-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,5,1 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 34513-77:
(7*3)+(6*4)+(5*5)+(4*1)+(3*3)+(2*7)+(1*7)=104
104 % 10 = 4
So 34513-77-4 is a valid CAS Registry Number.