51983-83-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51983-83-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,9,8 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 51983-83:
(7*5)+(6*1)+(5*9)+(4*8)+(3*3)+(2*8)+(1*3)=146
146 % 10 = 6
So 51983-83-6 is a valid CAS Registry Number.