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Heterocyclic Compounds

  • High Quality Furfural CAS NO 98-01-1 Manufacturer
    Brand:
    Product Code:
    Model: CZ0103
    Brief:
    CAS No.: 98-01-1
    MF: C5H4O2
    EINECS No.: 202-627-7
    Place of Origin: China
    Type: Pharmaceutical intermediates
    Grade Standard: High quality
    Purity: 99.0% Min
    Assay: 99%-101%
    Appearance: White powder
    Solubility: Solubility in water
    Water: 1.0% max
    Sulfated Ash: 0.5% Max
    Heavy Metals: 10 ppm Max
    Test Method: H-NMR
    Total Impurity: 0.5% Max
    Application: Intermediate
    $30
  • High Quality 1-Methylimidazole CAS NO 616-47-7 Manufacturer
    Brand:
    Product Code:
    Model: CZ0102
    Brief:
    CAS No.: 616-47-7
    MF: C4H6N2
    EINECS No.: 210-484-7
    Place of Origin: China
    Type: Pharmaceutical intermediates
    Grade Standard: High quality
    Purity: 99.0% Min
    Assay: 99%-101%
    Appearance: White powder
    Solubility: Solubility in water
    Water: 1.0% max
    Sulfated Ash: 0.5% Max
    Heavy Metals: 10 ppm Max
    Test Method: H-NMR
    Total Impurity: 0.5% Max
    Application: Intermediate
    $30
  • High Quality 2-Methylindole CAS NO 95-20-5 Manufacturer
    Brand:
    Product Code:
    Model: ML0049
    Brief:
    CAS No.: 95-20-5
    MF: C9H9N
    EINECS No.: 202-398-3
    Place of Origin: China
    Type: Intermediates of Dyes and Pigments;Indoles and derivatives;Indole;Indoles;Simple Indoles;Building Blocks;Heterocyclic Building Blocks;Heterocycle-Indole series;fine chemical;intermediates;fine chemicals
    Grade Standard: High quality
    Purity: 99.0% Min
    Assay: 99%-101%
    Appearance: White powder
    Solubility: Solubility in water
    Water: 1.0% max
    Sulfated Ash: 0.5% Max
    Heavy Metals: 10 ppm Max
    Test Method: H-NMR
    Total Impurity: 0.5% Max
    Application: Used for iodine-catalyzed Markovnikov addition reaction, regioselective synthesis of oxopyrrolidine analogs; used in Friedel-Crafts alkylation reaction; used in the preparation of dioxygenase inhibitor pyridyl-Chemicalbook vinyl indole Anti-cancer immunomodulator; used in the preparation of plant growth inhibitors; used in Michael addition reaction; synthesis of type 1 cyclooxygenase (COX-1) / 2 type cyclooxygenase (COX-2) inhibitors. It is used in organic synthesis and can be used as a deodorant in the fragrance industry.
    $30
  • High Quality 2,2,6,6-Tetramethylpiperidinooxy CAS NO 2564-83-2 Manufacturer
    Brand:
    Product Code:
    Model: ML0048
    Brief:
    CAS No.: 2564-83-2
    MF: C9H18NO
    EINECS No.: 219-888-8
    Place of Origin: China
    Type: Spin Labels;Synthetic Organic Chemistry;Analytical Chemistry;Environmentally-friendly Oxidation;ESR Spectrometry;Oxidation;Redox Catalysts (Environmentally-friendly Oxidation);Fine Chemical
    Grade Standard: High quality
    Purity: 99.0% Min
    Assay: 99%-101%
    Appearance: White powder
    Solubility: Solubility in water
    Water: 1.0% max
    Sulfated Ash: 0.5% Max
    Heavy Metals: 10 ppm Max
    Test Method: H-NMR
    Total Impurity: 0.5% Max
    Application: Catalytic oxidation of cellulose using TEMPO is considered an effective method. It can fully oxidize the lignocellulose fiber structure in its suspension reaction system, and establish a good basic condition for subsequent mechanical dissociation. TEMPO is a water-soluble stable nitroxyl radical. It can be used to selectively catalyze and oxidize the primary hydroxyl group of polysaccharide to convert it to carboxyl group. Current research indicates that 4-H-TEMPO media system catalyzes the oxidation of lignocellulose. The primary alcohol hydroxyl group at the C6 position can be selectively oxidized to an aldehyde group and further oxidized to a carboxyl group. In an aqueous suspension, through mild mechanical treatment, TEMPO-selectively oxidized wood fibers can be broken down into individual cellulose nanofibers. Namely TEMPO oxidized cellulose nanofibrils (TOCNFs). This is because the high-density carboxyl groups introduced on the fiber surface carry anionic charges in water. Therefore, the electrostatic repulsion between them can effectively act between cellulose nanofibrils and promote their effective dissociation. The preparation of TOCNFs by TEMPO-mediated oxidation treatment system has unique advantages. The reaction conditions are mild, the raw materials are cheap and easy to obtain, and they are green and environmentally friendly. The prepared TOCNFs have a more uniform diameter and excellent mechanical properties, which has attracted extensive attention from a large number of scholars. However, there are still some problems that inevitably exist in the preparation process, which requires the unremitting efforts of the majority of scientific research enthusiasts and staff to make them more useful for research.
    $30
  • High Quality 4,7-Dichloroquinoline CAS NO 86-98-6 Manufacturer
    Brand:
    Product Code:
    Model: ML0045
    Brief:
    CAS No.: 86-98-6
    MF: C9H5Cl2N
    EINECS No.: 201-714-7
    Place of Origin: China
    Type: Quinolines,Quinazolinesandderivatives;Quinoline&Isoquinoline;Quinolines;Haloquinolines;BuildingBlocks;HalogenatedHeterocycles;HeterocyclicBuChemical ildingBlocks;QuinolinesHeterocyclicBuildingBlocks;BuildingBlocks;C8toC10;ChemicalSynthesis;HalogenatedHeterocycles;HeterocyclicBuildingBlocks
    Grade Standard: High quality
    Purity: 99.0% Min
    Assay: 99%-101%
    Appearance: White powder
    Solubility: Solubility in water
    Water: 1.0% max
    Sulfated Ash: 0.5% Max
    Heavy Metals: 10 ppm Max
    Test Method: H-NMR
    Total Impurity: 0.5% Max
    Application: Used as an intermediate for the drug chloroquine. Used as intermediate of chloroquine phosphate
    $30
  • High Quality 5-Trifluoromethyl-pyridin-3-ylamine CAS NO 112110-07-3 Manufacturer
    Brand:
    Product Code:
    Model: CZ0209
    Brief:
    CAS No.: 112110-07-3
    MF: C6H5F3N2
    EINECS No.: 112110-07-3
    Place of Origin: China
    Type: Pharmaceutical intermediates
    Grade Standard: High quality
    Purity: 99.0% Min
    Assay: 99%-101%
    Appearance: White powder
    Solubility: Solubility in water
    Water: 1.0% max
    Sulfated Ash: 0.5% Max
    Heavy Metals: 10 ppm Max
    Test Method: H-NMR
    Total Impurity: 0.5% Max
    Application: intermediate
    $30
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