5228-52-4 Usage
Uses
5-Amino-2-ethyl-2H-indazole is a useful reactant and reagent for organic reactions and synthesis.
Check Digit Verification of cas no
The CAS Registry Mumber 5228-52-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,2 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5228-52:
(6*5)+(5*2)+(4*2)+(3*8)+(2*5)+(1*2)=84
84 % 10 = 4
So 5228-52-4 is a valid CAS Registry Number.