3400-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3400-99-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,0 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3400-99:
(6*3)+(5*4)+(4*0)+(3*0)+(2*9)+(1*9)=65
65 % 10 = 5
So 3400-99-5 is a valid CAS Registry Number.