21418-88-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21418-88-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,4,1 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 21418-88:
(7*2)+(6*1)+(5*4)+(4*1)+(3*8)+(2*8)+(1*8)=92
92 % 10 = 2
So 21418-88-2 is a valid CAS Registry Number.