409369-63-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 409369-63-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,9,3,6 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 409369-63:
(8*4)+(7*0)+(6*9)+(5*3)+(4*6)+(3*9)+(2*6)+(1*3)=167
167 % 10 = 7
So 409369-63-7 is a valid CAS Registry Number.