607403-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 607403-68-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,7,4,0 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 607403-68:
(8*6)+(7*0)+(6*7)+(5*4)+(4*0)+(3*3)+(2*6)+(1*8)=139
139 % 10 = 9
So 607403-68-9 is a valid CAS Registry Number.