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Picture of (R)-5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione

(R)-5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione

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Origin: China

Cas No: 517-89-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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

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  • Products Specification
  • Product Description
  • Quick Details

    Type:
    Herbal Extract
    Form:
    Powder
    Variety:
    Gromwell Root Extract
    Part:
    Root
    Extraction Type:
    Solvent Extraction
    Packaging:
    DRUM, Plastic Container, Vacuum Packed
    Place of Origin:
    Shaanxi, China
    Grade:
    Pharmaceutical Grade & Food Grade
    Brand Name:
    TZ
    Model Number:
    TZH012
    Product Name:
    Gromwell Root Extract
    Latin Name:
    Lithospermum erythrorhizon
    Appearance:
    Dark Purple Crystalline Fine Powder
    Active Ingredient:
    Shikonin
    Test Method:
    HPLC
    Specification:
    30% & 98%
    Application:
    Medicine and health care supplement
    CAS No.:
    517-89-5
    Shelf Life:
    2 Years
    Stock:
    In stock

    Packaging&Delivery

    Packaging Details
    Top Quality Pure Natural Gromwell Root Extract Shikonin 30% 98% Alkannin CAS 517-89-5
    1kg: Packed with aluminum foil bag.
    20&25kgs: Packed with paper drum with double plastic bags inside.
    Port
    Tianjin, Shanghai, Dalian, Shenzhen, Qingdao, Guangzhou
    Lead Time:
    Quantity(Kilograms)1 - 100101 - 500>500
    Est. Time(days)35To be negotiated
  • Property

    CAS No.: 517-89-5 Formula: C16H16O5 Molecular Weight: 288.29500

    Description

    Shikonin is a natural cardioprotective, antioxidative and anti-inflammatory agent.

    Basic Info

    Chemical Name (R)-5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione
    Synonyms

    1,4-Naphthalenedione, 5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-, (R)-;
    5,8-Dihydroxy-2-[(1R)-1-hydroxy-4-methyl-pent-3-enyl]naphthalene-1,4-dione;

    CAS No. 517-89-5
    Molecular Formula C16H16O5
    Molecular Weight 288.29500
    PSA 94.83000
    LogP 2.12040

    Properties

    Density 1.373g/cm3
    Boiling Point 567.4ºC at 760mmHg
    Melting Point 147ºC
    Flash Point 311ºC
    Refractive Index 1.642

    Safety Info

    Safety Statements S26; S36/37/39
    HS Code 2914690090
    Risk Statements R20/21/22

    Synthesis Route

    (R)-4-methyl-1-(1,4,5,8-tetra-methoxynaphthalen-2-yl)pent-3-en-1-ol(R)-5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione
    (R)-4-methyl-1-(naphtho[1,8-de:4,5-d'e']bis([1,3]dioxine)-4-yl)pent-3-en-1-ol(R)-5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione
    2-bromo-1,8:4,5-bis(methylenedioxy)naphthalene(R)-5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione

    Precursor

    (R)-4-methyl-1-(1,4,5,8-tetra-methoxynaphthalen-2-yl)pent-3-en-1-ol
    2-(4-methyl-3-pentene-1-one)-1,8:4,5-bis(methylenedioxy)naphthalene
    Naphtho[1,8-de:4,5-d'e']bis[1,3]dioxin
    (R)-4-methyl-1-(naphtho[1,8-de:4,5-d'e']bis([1,3]dioxine)-4-yl)pent-3-en-1-ol

    Downstream Product

    ACETYLSHIKONIN
    5,8-dihydroxy-2-(4-methylpentyl)naphthalene-1,4-dione

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