1204702-77-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1204702-77-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,4,7,0 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1204702-77:
(9*1)+(8*2)+(7*0)+(6*4)+(5*7)+(4*0)+(3*2)+(2*7)+(1*7)=111
111 % 10 = 1
So 1204702-77-1 is a valid CAS Registry Number.