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CS-W001157 4
Total: USD 88.00

1H-Imidazo[4,5-b]pyrazine

  • CAS No. 273-94-9

  • Cat. No. CS-W021326
  • Purity≥98%
  • MDL No.MFCD08669465
  • HazMat Fee +

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    Each bottle is packed as an Excepted Quantity, with a maximum of 1g for items in class 6.1 packing group I or II, and up to 25g for all other hazardous materials.

    If shipping is charged to your FedEx account, the HazMat fee will be billed directly by the courier. Otherwise, the fee will be included on your invoice. To help you avoid the HazMat fee, we can package a 5g order of a class 6.1 packing group I or II material as five separate 1g units, and a 100g order of any other dangerous good as four 25g units. This packaging adjustment will be made unless you instruct otherwise on your purchase order. Below, you will find the fee schedule from FedEx for handling hazardous materials.

    Type
    HazMat Fee
    Excepted Quantity $0.00
    FedEx Limited Quantities Ground $0.00
    Hazmat Ground shipping $50.00+
    Inaccessible (Haz class 6.1 or 9), Domestic $68.00+
    Accessible (Haz class 3, 4, 5 or 8), Domestic $158.00+
    Inaccessible (Haz class 6.1 or 9), International $108.00+
    Accessible (Haz class 3, 4, 5 or 8), International $238.00+

    An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

    There is a HazMat shipping fee for each item that qualifies as a dangerous good. Please contact our quotation team via email to confirm the details.

*For research and further manufacturing use only, not for direct human use.

1H-Imidazo[4,5-b]pyrazine|CS-W021326

Structure of 273-94-9

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Description

1H-Imidazo[4,5-b]pyrazine is a nitrogen-rich heterocycle featuring fused imidazole and pyrazine rings, offering enhanced planarity and electron-deficient character. This structural motif integrates readily into pharmaceutical scaffolds and functional materials, providing robust stability under standard conditions.

Application

1H-Imidazo[4,5-b]pyrazine serves as a versatile heterocyclic scaffold in medicinal chemistry, enabling the construction of bioactive molecules through established coupling and functionalization protocols. Its planar, electron-deficient core exhibits favorable stability and solubility profiles, facilitating purification and integration into complex synthetic sequences. The system functions as a key building block for kinase inhibitors and other pharmacologically relevant scaffolds, with demonstrated compatibility across standard reaction conditions.

General Information

  • CAS No. 273-94-9
  • Cat. No. CS-W021326
  • Purity ≥98%
  • MDL No. MFCD08669465
  • Storage Store at room temperature
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₅H₄N₄
  • Molecular Weight 120.11
  • Synonym(s) None
  • SMILES C12=NC=CN=C1N=CN2

Computational Chemistry Data

  • TPSA   54.46
  • LogP   0.3529
  • H_Acceptors   3
  • H_Donors   1
  • Rotatable_Bonds   0

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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