23884-98-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23884-98-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,8,8 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 23884-98:
(7*2)+(6*3)+(5*8)+(4*8)+(3*4)+(2*9)+(1*8)=142
142 % 10 = 2
So 23884-98-2 is a valid CAS Registry Number.