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(-)-Epicatechingallate buy - large image1
(-)-Epicatechingallate buy - image1

(-)-Epicatechingallate

Unit Price:

$28/KG EXW

Get Latest Price
CAS No.:

1257-08-5

Grade:

Pharma Grade

Content:

99%

Brand:

DAHAI BIOCHEM

Packaging:

25kg/Cardboard Drum

Price valid (until):

2026-10-03

Company Type:
Trader
Location:
China
Qualification:
Main Products:

HARD FAT

  • Product Description

  • Seller Information

  • Description


      Product Detail  


    "[Product Overview & Applications]
    (-)-Epicatechingallate (CAS NO.: 1257-08-5) is supplied under stringent quality supervision by DAHAI BIOCHEM. It is a high-grade chemical intermediate widely utilized in fine chemical manufacturing, organic synthesis research, and active pharmaceutical ingredient (API) development. The product features exceptional chemical purity, reliable batch-to-batch consistency, low residual impurities, and high reaction stability, ensuring maximum efficiency and reliability in customer manufacturing processes.

    [Technical Specifications & Parameters]
    - Product Name: (-)-Epicatechingallate
    - CAS Registry Number: 1257-08-5
    - Classification: Pharmaceutical Intermediates & Fine Chemicals
    - Assay / Purity: >= 99.0%
    - Physical Form / Appearance: White Powder
    - Quality Grade: Pharma Grade
    - Manufacturer / Brand: DAHAI BIOCHEM
    - Standard Export Package: 25kg/Cardboard Drum
    - Minimum Order Quantity (MOQ): 1 KG

    [Quality Standards & Storage Conditions]
    1. Quality Standards: Conforms strictly to enterprise and international industrial quality standards. Every production lot undergoes rigorous analytical testing including HPLC, GC, or titration analysis with full batch documentation provided.
    2. Storage & Handling: Store in tightly sealed original containers in a cool, dry, and well-ventilated warehouse. Keep strictly away from direct sunlight, open flames, high temperatures, moisture, and incompatible substances.
    3. Export Logistics & Packaging: Supplied in robust standard export packaging to guarantee integrity during global maritime and air freight. Flexible OEM and customized commercial packaging are available upon inquiry."

    ECHEMI Editorial Reference
    White powder. ChEBI: A gallate ester obtained by formal condensation of the carboxy group of gallic acid with the (3R)-hydroxy group of epicatechin. A natural product found in Parapiptadenia rigida. Epicatechin gallate briefly referred to as EGCG, being the ester formed by epigallocatechin and gallate acid, belonging to a kind of tea polyphenols; is a kind of flavonoids, D-form ester catechins. Epicatechin gallate is a cathchin monomer isolated from tea and is the main active ingredient.
    Solid
    (-)-epicatechin-3-O-gallate is a gallate ester obtained by formal condensation of the carboxy group of gallic acid with the (3R)-hydroxy group of epicatechin. A natural product found in Parapiptadenia rigida. It has a role as a metabolite, an EC 3.2.1.1 (alpha-amylase) inhibitor and an EC 3.2.1.20 (alpha-glucosidase) inhibitor. It is a catechin, a gallate ester and a polyphenol. It derives from a (-)-epicatechin and a gallic acid.
    White powder
    ()-Epicatechin gallate is one of the major polyphenols present in green tea. It belongs to the catechin gallates group of organic compounds. ECG has a chemical structure like that of ()-epigallocatechin gallate (EGCG), the other major polyphenol found in green tea.

    Basic Info
    Product Name:

    (-)-Epicatechin gallate

    Other Name:

    EPICATECHIN GALLATE, (-)- SNAP-N-SHOOT 0.1mg/ml(P);EPICATECHIN GALLATE, (-)-(P);8-methoxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydrochrysen-2(1h)-one;(-)-Epicatechin gallate, 99%, from green tea;epicatechol,gallate;l-epicatechingallate;EPICATECHIN GALLATE(ECG) FROM GREEN TEA 50% BY HPLC;EPICATECHIN GALLATE(ECG) FROM GREEN TEA 70% BY HPLC

    CAS No.:

    1257-08-5

    Molecular Formula:

    C22H18O10

    InChIKeys:

    LSHVYAFMTMFKBA-TZIWHRDSSA-N

    Molecular Weight:

    442.37

    Exact Mass:

    442.37

    EC Number:

    603-088-4

    UNII:

    92587OVD8Z

    Color/Form:

    White to Off-White

    HScode:

    29329990

    Characteristics
    PSA:

    177

    XLogP3:

    1.5

    Appearance:

    Solid

    Density:

    1.80±0.1 g/cm3(Predicted)

    Melting Point:

    257-258°C

    Boiling Point:

    861.7±65.0 °C(Predicted)

    Flash Point:

    305.0±27.8 °C

    Refractive Index:

    1.825

    Water Solubility:

    Soluble in water, acetone, DMSO, methanol.

    Storage Conditions:

    2-8°C

    Vapor Pressure:

    0mmHg at 25°C

    Toxicity:

    EGCG might be carcinogenic; study has found that during pregnancy, intake of polyphenols will increase the risk of neonatal leukemia; it is not good for pregnant women to uptake bioflavones; during pregnancy, administration of tea or coffee during pregnancy may increase the risk for children of suffering from malignant tumor of central nervous system (CNS), and the specific mechanism remains unknown.

    PKA:

    7.75±0.25(Predicted)

    Collision Cross Section:

    202.9 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]

    Critical Temperature & Pressure:

    2-8°C

    Hazard Identification

    Classification of the substance or mixture

    Not classified.

    GHS label elements, including precautionary statements

    Pictogram(s) No symbol.
    Signal word

    No signal word

    Hazard statement(s)

    none

    Precautionary statement(s)
    Prevention

    none

    Response

    none

    Storage

    none

    Disposal

    none

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    HARD FAT

    Location:

    BUILDING 4,NO.571, STR.19,BAIYANG DISTRICT, HANGZHOU,CHINA

    Payment Terms:

    TT against copy of documents,TT against B/L draft before shipment,100% TT in advance

    Total Annual Revenue:

    Less than $1 million

    Total Employees:

    5-10

    Year of Establishment:

    2025

  • Country Product Purchase Quantity Date Posted
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