21371-46-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21371-46-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,3,7 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21371-46:
(7*2)+(6*1)+(5*3)+(4*7)+(3*1)+(2*4)+(1*6)=80
80 % 10 = 0
So 21371-46-0 is a valid CAS Registry Number.