22493-70-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22493-70-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,4,9 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 22493-70:
(7*2)+(6*2)+(5*4)+(4*9)+(3*3)+(2*7)+(1*0)=105
105 % 10 = 5
So 22493-70-5 is a valid CAS Registry Number.