183433-83-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 183433-83-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,4,3 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 183433-83:
(8*1)+(7*8)+(6*3)+(5*4)+(4*3)+(3*3)+(2*8)+(1*3)=142
142 % 10 = 2
So 183433-83-2 is a valid CAS Registry Number.