34804-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34804-99-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,8,0 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 34804-99:
(7*3)+(6*4)+(5*8)+(4*0)+(3*4)+(2*9)+(1*9)=124
124 % 10 = 4
So 34804-99-4 is a valid CAS Registry Number.