1304723-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1304723-54-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,4,7,2 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1304723-54:
(9*1)+(8*3)+(7*0)+(6*4)+(5*7)+(4*2)+(3*3)+(2*5)+(1*4)=123
123 % 10 = 3
So 1304723-54-3 is a valid CAS Registry Number.