249904-46-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 249904-46-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,9,9,0 and 4 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 249904-46:
(8*2)+(7*4)+(6*9)+(5*9)+(4*0)+(3*4)+(2*4)+(1*6)=169
169 % 10 = 9
So 249904-46-9 is a valid CAS Registry Number.