51623-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51623-93-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,6,2 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 51623-93:
(7*5)+(6*1)+(5*6)+(4*2)+(3*3)+(2*9)+(1*3)=109
109 % 10 = 9
So 51623-93-9 is a valid CAS Registry Number.