205926-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205926-68-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,9,2 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 205926-68:
(8*2)+(7*0)+(6*5)+(5*9)+(4*2)+(3*6)+(2*6)+(1*8)=137
137 % 10 = 7
So 205926-68-7 is a valid CAS Registry Number.