21353-80-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21353-80-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,3,5 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 21353-80:
(7*2)+(6*1)+(5*3)+(4*5)+(3*3)+(2*8)+(1*0)=80
80 % 10 = 0
So 21353-80-0 is a valid CAS Registry Number.