221314-94-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 221314-94-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,3,1 and 4 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 221314-94:
(8*2)+(7*2)+(6*1)+(5*3)+(4*1)+(3*4)+(2*9)+(1*4)=89
89 % 10 = 9
So 221314-94-9 is a valid CAS Registry Number.