51894-81-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51894-81-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,8,9 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51894-81:
(7*5)+(6*1)+(5*8)+(4*9)+(3*4)+(2*8)+(1*1)=146
146 % 10 = 6
So 51894-81-6 is a valid CAS Registry Number.