492428-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 492428-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,2,4,2 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 492428-34:
(8*4)+(7*9)+(6*2)+(5*4)+(4*2)+(3*8)+(2*3)+(1*4)=169
169 % 10 = 9
So 492428-34-9 is a valid CAS Registry Number.