1304557-79-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1304557-79-6 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 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1304557-79:
(9*1)+(8*3)+(7*0)+(6*4)+(5*5)+(4*5)+(3*7)+(2*7)+(1*9)=146
146 % 10 = 6
So 1304557-79-6 is a valid CAS Registry Number.