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    4-ethyl-1H-pyrazole, CAS 17072-38-7, is in stock from AChemBlock as a research-use heterocyclic building block.
    Chemical structure of 4-ethyl-1H-pyrazole , CAS 17072-38-7, AChemBlock S78648

    4-ethyl-1H-pyrazole

    Catalog ID: S78648

    Product Name: 4-Ethyl-1H-pyrazole
    CAS: 17072-38-7
    MDL: MFCD18449289
    Purity: 97%
    Appearance: dark yellow liquid
    FW: 96.13
    Formula: C₅H₈N₂
    Smiles: CCC1=CNN=C1
    4-Ethyl-1H-pyrazole 97%, CAS#: 17072-38-7, Cat ID: S78648, BUILDING BLOCKS, AChemBlock
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    For research use only. We do not sell to patients
    Grouped product items
    Packaging List Price Qty Total Total_Price($) Availability Estimated Ship Time
    Packaging:250MG List Price: $100 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Jul 31,2026

    Packaging:1G List Price: $195 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Jul 31,2026

    Packaging:5G List Price: $695 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Jul 31,2026

    update on 07-29-2026

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    Safety Information
    Safety Information
    Pictograms GHS05 GHS07
    Signal Word Danger
    Hazard Statements Harmful if swallowed
    Causes serious eye damage
    Precautionary Statements Wash hands thoroughly after handling.
    Do not eat, drink or smoke when using this product.
    Wear protective gloves/protective clothing/eye protection/face protection.
    Immediately call a POISON CENTER or doctor/physician.
    Rinse mouth.
    Product Information
    Product Information
    Product Information
    Purity 97%
    Appearances dark yellow liquid
    Storage Store at 0-8 °C
    Shipping Room Temp
    MSDS Download MSDS
    IUPAC Name 4-ethyl-1h-pyrazole
    HTS Code 2933199000
    Smiles CCC1=CNN=C1
    InChiKey IHNXHUNMFYXQCG-UHFFFAOYSA-N
    Product Description 4-ethyl-1H-pyrazole (CAS 17072-38-7, Catalog ID S78648) is in stock from AChemBlock. This product is listed for research use and can support medicinal chemistry, organic synthesis, and laboratory research applications. Please contact AChemBlock for quotation, pack size, purity, COA, SDS, and lead-time information.
    Product Application Used as a research-use heterocyclic building block for medicinal chemistry, organic synthesis, and drug discovery research.
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