204929-11-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204929-11-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,9,2 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 204929-11:
(8*2)+(7*0)+(6*4)+(5*9)+(4*2)+(3*9)+(2*1)+(1*1)=123
123 % 10 = 3
So 204929-11-3 is a valid CAS Registry Number.