22407-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22407-68-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,4,0 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 22407-68:
(7*2)+(6*2)+(5*4)+(4*0)+(3*7)+(2*6)+(1*8)=87
87 % 10 = 7
So 22407-68-7 is a valid CAS Registry Number.