21346-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21346-44-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,3,4 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21346-44:
(7*2)+(6*1)+(5*3)+(4*4)+(3*6)+(2*4)+(1*4)=81
81 % 10 = 1
So 21346-44-1 is a valid CAS Registry Number.