205925-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205925-91-3 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 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 205925-91:
(8*2)+(7*0)+(6*5)+(5*9)+(4*2)+(3*5)+(2*9)+(1*1)=133
133 % 10 = 3
So 205925-91-3 is a valid CAS Registry Number.