(-)-Epigallocatechin gallate, ≥99%

Name: (-)-Epigallocatechin gallate, ≥99%
Brand: Vaqora Chemicals
SKU: VQ-008671

About (-)-Epigallocatechin gallate, ≥99%

(-)-Epigallocatechin gallate (CAS 989-51-5) is an ester offered by Vaqora Chemicals with a typical assay of ≥99%. Formula C22H18O11, molecular weight 458.4 g/mol. Its systematic (IUPAC) name is [(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate. Common synonyms include Epigallocatechin gallate and Epigallocatechin-3-gallate.

The material typically appears as a white to light pink or beige powder. Recommended storage is at 2–8 °C, with the container kept tightly sealed. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 100 mg, 250 mg, 500 mg and 1 g packs, (-)-Epigallocatechin gallate is dispatched with a Certificate of Analysis (COA) to destinations worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	(-)-Epigallocatechin gallate, ≥99%
Catalogue No.	VQ-008671
CAS Number	989-51-5
IUPAC name	[(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate
Molecular formula	C₂₂H₁₈O₁₁
Molecular weight	458.4 g/mol
Exact mass	458.0849
Purity / assay	≥99%
HSN code	29329900
InChIKey	WMBWREPUVVBILR-WIYYLYMNSA-N
SMILES	C1[C@H]([C@H](OC2=CC(=CC(=C21)O)O)C3=CC(=C(C(=C3)O)O)O)OC(=O)C4=CC(=C(C(=C4)O)O)O
PubChem CID	65064

Physical properties
Physical form	Powder
Appearance	White to light pink or beige powder
LogP (XLogP3)	1.2
H-bond donors / acceptors	8 / 11
TPSA	197 Å²
Storage	2–8 °C
Synonyms	Epigallocatechin gallate, Epigallocatechin-3-gallate, Tea catechin, (-)-Epigallocatechin-3-o-gallate, (-)-Epigallocatechol gallate, L-Epigallocatechin gallate, PF-EGCg 90, epigallocatechin-3-O-gallate, (-)-Epigallocatechin-3-gallate, Epigallocatechin-gallate, 3-O-Galloyl-(-)-epigallocatechin, EGCG cpd

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P270, P272, P273, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P321, P330, P333 + P317, P337 + P317, P362 + P364, P391, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of (-)-Epigallocatechin gallate, ≥99%?

The CAS Registry Number of (-)-Epigallocatechin gallate, ≥99% is 989-51-5. It is also known as Epigallocatechin gallate, Epigallocatechin-3-gallate, Tea catechin.

What is the molecular formula and molecular weight of (-)-Epigallocatechin gallate, ≥99%?

(-)-Epigallocatechin gallate, ≥99% has the molecular formula C22H18O11 and a molecular weight of 458.4 g/mol. Its IUPAC name is [(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate.

Which grade and pack sizes of (-)-Epigallocatechin gallate, ≥99% can I order?

We supply (-)-Epigallocatechin gallate, ≥99% in (≥99%) grade, in 100 mg, 250 mg, 500 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with (-)-Epigallocatechin gallate, ≥99%?

Yes. Every lot of (-)-Epigallocatechin gallate, ≥99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can (-)-Epigallocatechin gallate, ≥99% be shipped internationally?

Yes. (-)-Epigallocatechin gallate, ≥99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

How should (-)-Epigallocatechin gallate, ≥99% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.