1304789-04-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1304789-04-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,4,7,8 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1304789-04:
(9*1)+(8*3)+(7*0)+(6*4)+(5*7)+(4*8)+(3*9)+(2*0)+(1*4)=155
155 % 10 = 5
So 1304789-04-5 is a valid CAS Registry Number.