130340-77-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130340-77-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,3,4 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 130340-77:
(8*1)+(7*3)+(6*0)+(5*3)+(4*4)+(3*0)+(2*7)+(1*7)=81
81 % 10 = 1
So 130340-77-1 is a valid CAS Registry Number.