130798-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130798-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,7,9 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 130798-42:
(8*1)+(7*3)+(6*0)+(5*7)+(4*9)+(3*8)+(2*4)+(1*2)=134
134 % 10 = 4
So 130798-42-4 is a valid CAS Registry Number.