609343-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 609343-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,9,3,4 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 609343-81:
(8*6)+(7*0)+(6*9)+(5*3)+(4*4)+(3*3)+(2*8)+(1*1)=159
159 % 10 = 9
So 609343-81-9 is a valid CAS Registry Number.