130409-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130409-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,4,0 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 130409-74:
(8*1)+(7*3)+(6*0)+(5*4)+(4*0)+(3*9)+(2*7)+(1*4)=94
94 % 10 = 4
So 130409-74-4 is a valid CAS Registry Number.