3299-43-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3299-43-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,9 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3299-43:
(6*3)+(5*2)+(4*9)+(3*9)+(2*4)+(1*3)=102
102 % 10 = 2
So 3299-43-2 is a valid CAS Registry Number.