512823-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 512823-91-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,2,8,2 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 512823-91:
(8*5)+(7*1)+(6*2)+(5*8)+(4*2)+(3*3)+(2*9)+(1*1)=135
135 % 10 = 5
So 512823-91-5 is a valid CAS Registry Number.