130189-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130189-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,1,8 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 130189-77:
(8*1)+(7*3)+(6*0)+(5*1)+(4*8)+(3*9)+(2*7)+(1*7)=114
114 % 10 = 4
So 130189-77-4 is a valid CAS Registry Number.