349407-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 349407-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,9,4,0 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 349407-99:
(8*3)+(7*4)+(6*9)+(5*4)+(4*0)+(3*7)+(2*9)+(1*9)=174
174 % 10 = 4
So 349407-99-4 is a valid CAS Registry Number.