CAS No. 1257-08-5 (-)-Epicatechin gallate(ECG)

(-)-Epicatechin gallate(ECG) (CAS 1257-08-5) is a plant extract / phytochemical supplied by Monuo Chemical for botanical ingredient purchasing and research projects. Specification 98%. COA, SDS and quotation available.
  • Factory-direct supply from China
  • Technical data and quote response within 24 hours
  • Flexible packaging from grams to kilograms

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Monuo Chemical supplies (-)-Epicatechin gallate(ECG) (CAS 1257-08-5) as a Plant extracts raw material for botanical ingredient purchasing. Related catalog names include [(2R,3R)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxyben, . Specify CAS 1257-08-5 on RFQs so the lot can be matched to the COA.

Key Specifications at a Glance

Product Name (-)-Epicatechin gallate(ECG)
CAS Number 1257-08-5
Molecular Formula C22H18O10
Molecular Weight 442.376 g/mol
Purity / Specification 98%
Category Plant extracts
Documents COA, TDS, SDS on request
Supply Origin China | Worldwide shipping

What Is (-)-Epicatechin gallate(ECG)?

(-)-Epicatechin gallate(ECG) (CAS 1257-08-5) is supplied by Monuo Chemical as a plant extract / phytochemical raw material for botanical ingredient purchasing and research supply. It is listed in Plant extracts.

Molecular formula C22H18O10; molecular weight about 442.376 g/mol. Always match CAS 1257-08-5 on the batch COA.

Finished-product claims, labeling and local regulatory filings remain the brand manufacturer’s responsibility. Monuo Chemical provides batch COA / SDS support for purchasing and laboratory use. Request a Quote for packing and documentation.

Synonyms & Search Names

  • (-)-Epicatechin gallate(ECG)
  • [(2R,3R)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxyben
  • Epicatechin gallate
  • (-)-Epicatechin-3-O-gallate
  • L-Epicatechin gallate
  • (-)-Epicatechin-3-gall

Applications

In botanical ingredient projects, (-)-Epicatechin gallate(ECG) is commonly used for:

  • Botanical raw-material evaluation and vendor qualification
  • Natural-product assay and reference use (confirm COA assay)
  • Formulation screening where a defined CAS is required
  • Procurement of phytochemical grades for laboratory projects

Compare related botanicals such as Tetrahydrocurcumin (CAS 36062-04-1) in the same Plant extracts range.

Handling & Use Notes

  1. Assay check: Confirm specification / HPLC assay for (-)-Epicatechin gallate(ECG) on the batch COA before use.
  2. Container handling: Keep sealed and dry; protect from unnecessary light and heat during sampling.
  3. Process fit: Verify solubility and stability in your intended solvent or matrix before scale-up.
  4. Safety: Follow the SDS for storage, PPE and waste handling.

Need assay or packing discussion? Email [email protected] or use the contact form.

Packaging, Storage & Logistics

Standard Pack Sizes 50 g / 100 g bottles; 500 g / 1 kg packs (custom packing available)
Storage Keep sealed, dry and protected from light and heat. Follow the batch COA and SDS.
Shelf Life Confirm shelf life on the COA for each lot.
MOQ Commercial MOQ discussed per project (often from 100 g); larger packs available on request
Lead Time Stock items often ship promptly; custom pack / large lots typically 7–14 working days

Quality & Documentation

For (-)-Epicatechin gallate(ECG) (CAS 1257-08-5), Monuo Chemical can provide:

  • Certificate of Analysis (COA)
  • Technical Data Sheet (TDS) and Safety Data Sheet (SDS)
  • CAS / product-name confirmation for your purchase file
  • Flexible packing from grams to kilograms
  • FOB / CIF / DAP terms as agreed

Our team aims to return technical data and quotations within 24 hours. See also Plant extracts.

Request a Quote

Share your target assay, pack size and destination. We will confirm availability and documentation for (-)-Epicatechin gallate(ECG) CAS 1257-08-5.

Request a Quote | Email: [email protected]

Frequently Asked Questions

How do I request a quotation for CAS 1257-08-5?

Share target assay, pack size and destination via the Request a Quote page or email [email protected]. We aim to reply within 24 hours.

What packing sizes are available for (-)-Epicatechin gallate(ECG)?

Standard discussion starts from 100 g bottles, with 500 g / 1 kg packs and custom packing on request. Confirm pack size when you request a quote.

What should be checked before scale-up of (-)-Epicatechin gallate(ECG)?

Verify solubility and stability in your intended solvent or matrix, and re-check the lot assay on the COA before process scale-up.

Can packing for (-)-Epicatechin gallate(ECG) be customized?

Yes. Gram-to-kilogram packing can be discussed. Start from 100 g commercial packs unless another size is agreed for the project.

Do you ship (-)-Epicatechin gallate(ECG) worldwide?

Yes. Monuo Chemical ships worldwide under agreed Incoterms (FOB / CIF / DAP as agreed). Lead time depends on stock and packaging.

Can (-)-Epicatechin gallate(ECG) be used as an analytical reference material?

Buyers often source CAS 1257-08-5 for natural-product screening and assay work. Confirm the required assay on the COA before method use.

Is (-)-Epicatechin gallate(ECG) a finished consumer product?

No. (-)-Epicatechin gallate(ECG) is supplied as a botanical / phytochemical raw material for purchasing and laboratory use. Labeling of finished goods is the customer’s responsibility.

Which related Plant extracts can I review with (-)-Epicatechin gallate(ECG)?

You may also review Tetrahydrocurcumin (CAS 36062-04-1) and Paclitaxel (CAS 33069-62-4), or open the full Plant extracts catalog.

Related Products

Disclaimer: Information is for plant-extract raw-material identification and technical reference. Finished-product claims and regulatory filings remain the customer’s responsibility. Verify each lot against the supplied COA and SDS.

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