134899-73-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134899-73-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,8,9 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 134899-73:
(8*1)+(7*3)+(6*4)+(5*8)+(4*9)+(3*9)+(2*7)+(1*3)=173
173 % 10 = 3
So 134899-73-3 is a valid CAS Registry Number.