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Home > All categories> Biochemicals and Pharmaceutical Chemicals> Pharmaceutical Impurities> 2-Chloro-4-amino-6,7-dimethoxyquinazoline
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2-Chloro-4-amino-6,7-dimethoxyquinazoline

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Origin: China

Cas No: 23680-84-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description

  • Quick Details

    CAS No.:
    23680-84-4
    Other Names:
    7-DiMethoxy-Quinazoline
    MF:
    C10H10ClN3O2
    EINECS No.:
    245-821-7
    Place of Origin:
    Shandong, China
    Grade Standard:
    Medicine Grade
    Purity:
    99.5%
    Appearance:
    off-white solid
    Application:
    Pharmaceutical intermediates
    Brand Name:
    Fousi chemical
    Model Number:
    FS 23680-84-4

    Packaging&Delivery

    Packaging Details
    Aluminum Foil Bag ,Fluoride Bottle ,25KG/Fiber Drum,
    Port
    QINGDAO ,SHANGHAI
    Lead Time:
    Quantity(Kilograms)1 - 100>100
    Est. Time(days)7To be negotiated

  • Property

    CAS No.: 23680-84-4 Formula: C10H10ClN3O2 Molecular Weight: 239.65800

    Description

    Intermediate in the production on Terazosin.

    Basic Info

    Chemical Name 2-Chloro-4-amino-6,7-dimethoxyquinazoline
    Synonyms

    2-Chloro-6,7-dimethoxy-4-quinazolinamine,4-Amino-2-chloro-6,7-dimethoxyquinazoline;
    2-chloro-6,7-dimethoxy-4-aminoquinazoline;
    2-Chloro-4-AMino-6;
    7-DiMethoxy-Quinazoline;
    2-CHLORO-6,7-DIMETHOXY-4-QUINAZOLINAMINE;
    QUINAZOLINAMINE;
    4-Amino-2-Chloro-6,7-Dimethoxyquinoline;
    4-Amino-2-chloro-6,7-dimethoxyquinazoline;
    2-chloro-6,7-dimethoxy-4-quinazolinylamine;
    2-Chloro-4-amino-6,7-dimethoxy;
    2-Chloro-4-amino-6,7-dimetoxysynazaline;
    4-Amino-2-chloro-6,7-dimethoxy;
    2-Chloro-4-Amino-6,7-Dimethoxyquinazoline;

    CAS No. 23680-84-4
    Molecular Formula C10H10ClN3O2
    Molecular Weight 239.65800
    PSA 70.26000
    LogP 2.46380

    Properties

    Appearance & Physical State off-white solid
    Density 1.391 g/cm3
    Boiling Point 374ºC at 760 mmHg
    Melting Point 262-278ºC (dec.)
    Refractive Index 1.649
    Storage Condition Store in a cool, dry place. Store in a tightly closed container.
    Vapor Pressure 8.63E-06mmHg at 25°C

    Safety Info

    Safety Statements S26-S37/39
    HS Code 2933990090
    WGK Germany 3
    Risk Statements R36/37/38
    Hazard Codes Xi

    Synthesis Route

    Urea, (2-cyano-4,5-dimethoxyphenyl)-→2-Chloro-4-amino-6,7-dimethoxyquinazoline
    2,4-Dichloro-6,7-dimethoxyquinazoline→2-Chloro-4-amino-6,7-dimethoxyquinazoline
    4-Amino-2-chloro-6,7-dimethoxy-5-iodoquinazoline→2-Chloro-4-amino-6,7-dimethoxyquinazoline

    Precursor

    Methyl 3,4-dimethoxybenzoate
    Urea, (2-cyano-4,5-dimethoxyphenyl)-
    2,4-Dichloro-6,7-dimethoxyquinazoline
    Methyl 4,5-dimethoxy-2-nitrobenzoate

    Downstream Product

    2-PIPERAZINE-4-AMINO-6,7-DIMETHOXY QUINOLINE HYDROCHLORIDE
    alfuzosin hydrochloride
    terazosin
    alfuzosin

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