Cas no 438225-41-3 (4-Ethyl-5-methylthiophene-3-carbohydrazide)

4-Ethyl-5-methylthiophene-3-carbohydrazide is a specialized heterocyclic carbohydrazide derivative with a thiophene core, offering utility as a versatile intermediate in organic synthesis and pharmaceutical research. Its structure, featuring both ethyl and methyl substituents on the thiophene ring, enhances reactivity and selectivity in nucleophilic or condensation reactions, particularly in the development of hydrazone-based compounds. The carbohydrazide functional group provides a reactive handle for further derivatization, making it valuable for constructing pharmacologically active scaffolds or coordination complexes. Its stability under standard conditions and compatibility with common solvents ensure ease of handling in laboratory applications. This compound is particularly relevant in medicinal chemistry for exploring bioactive molecules with potential therapeutic applications.
4-Ethyl-5-methylthiophene-3-carbohydrazide structure
438225-41-3 structure
Product Name:4-Ethyl-5-methylthiophene-3-carbohydrazide
CAS No:438225-41-3
MF:C8H12N2OS
MW:184.258680343628
MDL:MFCD03419844
CID:879993
Update Time:2026-04-29

4-Ethyl-5-methylthiophene-3-carbohydrazide Chemical and Physical Properties

Names and Identifiers

    • 4-Ethyl-5-methylthiophene-3-carbohydrazide
    • AC1MPBIZ
    • ALBB-002683
    • BBL016721
    • CTK4I7780
    • MolPort-001-554-932
    • STK431686
    • MDL： MFCD03419844
    • Inchi： InChI=1S/C8H12N2OS/c1-3-6-5(2)12-4-7(6)8(11)10-9/h4H,3,9H2,1-2H3,(H,10,11)
    • InChI Key： HVRJAJATAXTZAE-UHFFFAOYSA-N
    • SMILES： CCC1=C(SC=C1C(NN)=O)C

Computed Properties

  • Exact Mass: 184.06700
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 12
  • Rotatable Bond Count: 3

Experimental Properties

  • PSA: 83.36000
  • LogP: 2.31360

4-Ethyl-5-methylthiophene-3-carbohydrazide Customs Data

  • HS CODE：2934999090
  • Customs Data：

    China Customs Code:

    2934999090

    Overview:

    2934999090. Other heterocyclic compounds. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

4-Ethyl-5-methylthiophene-3-carbohydrazide Pricemore >>

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