130149-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130149-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,1,4 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 130149-57:
(8*1)+(7*3)+(6*0)+(5*1)+(4*4)+(3*9)+(2*5)+(1*7)=94
94 % 10 = 4
So 130149-57-4 is a valid CAS Registry Number.