130220-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130220-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,2,2 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 130220-07:
(8*1)+(7*3)+(6*0)+(5*2)+(4*2)+(3*0)+(2*0)+(1*7)=54
54 % 10 = 4
So 130220-07-4 is a valid CAS Registry Number.