34183-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34183-45-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,1,8 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 34183-45:
(7*3)+(6*4)+(5*1)+(4*8)+(3*3)+(2*4)+(1*5)=104
104 % 10 = 4
So 34183-45-4 is a valid CAS Registry Number.