23205-92-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23205-92-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,2,0 and 5 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 23205-92:
(7*2)+(6*3)+(5*2)+(4*0)+(3*5)+(2*9)+(1*2)=77
77 % 10 = 7
So 23205-92-7 is a valid CAS Registry Number.