22839-60-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22839-60-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,8,3 and 9 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 22839-60:
(7*2)+(6*2)+(5*8)+(4*3)+(3*9)+(2*6)+(1*0)=117
117 % 10 = 7
So 22839-60-7 is a valid CAS Registry Number.