3-ethyl-isoxazole-4,5-dione 4-[(4-ethoxy-phenyl)-hydrazone] is a complex organic compound with the molecular formula C13H14N2O4. It is a derivative of isoxazole, a heterocyclic compound with a five-membered ring containing two oxygen atoms and one nitrogen atom. The molecule features a 3-ethyl substituent on the isoxazole ring, which is connected to a 4,5-dione group, indicating the presence of two carbonyl groups. Additionally, a 4-ethoxy-phenyl hydrazone group is attached to the isoxazole ring, providing a phenyl ring with an ethoxy substituent and a hydrazone functional group. 3-ethyl-isoxazole-4,5-dione 4-[(4-ethoxy-phenyl)-hydrazone] is of interest in the field of organic chemistry and may have potential applications in the synthesis of pharmaceuticals or other chemical products.
The CAS Registry Mumber 1627-78-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,2 and 7 respectively; the second part has 2 digits, 7 and 8 respectively. Calculate Digit Verification of CAS Registry Number 1627-78: (6*1)+(5*6)+(4*2)+(3*7)+(2*7)+(1*8)=87 87 % 10 = 7 So 1627-78-7 is a valid CAS Registry Number.