134998-73-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134998-73-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,9,9 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 134998-73:
(8*1)+(7*3)+(6*4)+(5*9)+(4*9)+(3*8)+(2*7)+(1*3)=175
175 % 10 = 5
So 134998-73-5 is a valid CAS Registry Number.