1304558-20-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1304558-20-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,4,5,5 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1304558-20:
(9*1)+(8*3)+(7*0)+(6*4)+(5*5)+(4*5)+(3*8)+(2*2)+(1*0)=130
130 % 10 = 0
So 1304558-20-0 is a valid CAS Registry Number.