Description

4-Nitrophthalhydrazide (CAS No. 3682-19-7) is a high-purity nitro-substituted phthalhydrazide derivative with the molecular formula C₈H₅N₃O₄. This yellow crystalline compound is widely utilized in organic synthesis, particularly as a precursor for the development of chemiluminescent and fluorescent probes. Its IUPAC name, 6-nitro-2,3-dihydrophthalazine-1,4-dione, reflects its structural features, including a nitro group at the 6-position of the phthalazine ring. With a molecular weight of 207.14 g/mol, it exhibits excellent stability under standard laboratory conditions. Our product is rigorously tested to ensure ≥98% purity (HPLC) and is supplied in sealed packaging to prevent moisture absorption. Ideal for researchers in medicinal chemistry, material science, and analytical applications.

Properties

• CAS Number: 3682-19-7
• Complexity: 324
• IUPAC Name: 6-nitro-2,3-dihydrophthalazine-1,4-dione
• InChI: InChI=1S/C8H5N3O4/c12-7-5-2-1-4(11(14)15)3-6(5)8(13)10-9-7/h1-3H,(H,9,12)(H,10,13)
• InChI Key: XQFIOLKLHNOFCA-UHFFFAOYSA-N
• Exact Mass: 207.02800565
• Molecular Formula: C8H5N3O4
• Molecular Weight: 207.14
• SMILES: C1=CC2=C(C=C1[N+](=O)[O-])C(=O)NNC2=O
• Topological: 104
• Monoisotopic Mass: 207.02800565
• Physical Description: 4-nitrophthalhydrazide is a light yellow powder.
• Solubility: less than 1 mg/mL at 73 °F
• Synonyms: 4-Nitrophthalhydrazide, 2,3-Dihydro-6-nitro-1,4-phthalazinedione, 3682-19-7, 6-nitro-2,3-dihydrophthalazine-1,4-dione, 6-NITROPHTHALHYDRAZIDE, 4-Nitrophthalic Hydrazide, 6-nitrophthalazine-1,4-diol, 1,4-Phthalazinedione, 2,3-dihydro-6-nitro-, MLS002152890, MLS002638084, DTXSID1025774, SMR001224502, 6-nitro-1,2,3,4-tetrahydrophthalazine-1,4-dione, CCRIS 4683, NSC 9339, N-Amino-4-nitrophthalimide, BRN 0218329, NSC9339, MFCD00006891, Cambridge id 5214515, Oprea1_716875, CBDivE_006628, SCHEMBL895627, DTXCID605774, SCHEMBL2456316, CHEMBL1870887, BDBM74249, cid_3543259, HMS3039A12, HMS3087O24, 1,4-Dihydroxy-6-nitro-phthalazine, NSC-9339, Tox21_200021, STK359427, STL432878, STL512032, AKOS000280999, AKOS000435801, AKOS015916645, AKOS037491483, CCG-245317, 4-hydroxy-7-nitrophthalazin-1(2H)-one, NCGC00091569-01, NCGC00091569-02, NCGC00257575-01, AS-64535, SMR001547577, CAS-3682-19-7, DB-049011, 6-nitro-2,3-dihydrophthalazine-1,4-quinone, CS-0089653, N0799, NS00126694, ST45019719, 6-Nitro-2,3-dihydro-1,4-phthalazinedione #, D74894, AB00075468-01, 6-Nitro-1.4-dioxo-1.2.3.4-tetrahydrophthalazin, SR-01000198838, SR-01000198838-1

Application

4-Nitrophthalhydrazide serves as a key intermediate in the synthesis of luminol analogs for chemiluminescence-based detection systems. It is employed in the development of fluorescent dyes and sensors due to its nitro-aromatic reactivity. Researchers also utilize it in heterocyclic chemistry to construct complex pharmacophores for drug discovery.

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