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Esters & Lactones

(-)-Epigallocatechin gallate, ≥99%

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Order (-)-Epigallocatechin gallate, ≥99% (CAS 989-51-5) online at Zemixal: C22H18O11, COA and SDS with every lot, worldwide shipping.

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(-)-Epigallocatechin gallate, ≥99% chemical structure
CAS number989-51-5
FormulaC22H18O11
Molar mass458.4 g/mol
Physical formPowder
HS code29329900
Purity≥99%
InChIKeyWMBWREPUVVBILR-WIYYLYMNSA-N
IUPAC name[(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate

About (-)-Epigallocatechin gallate, ≥99%

Researchers and plant chemists source (-)-Epigallocatechin gallate, ≥99% from Zemixal for routine and specialised work. For your records (≥99%), the material is defined by CAS 989-51-5, formula C22H18O11 and molar mass 458.4 g/mol. Expect white to light pink or beige powder.

Use cases we see most often

  • Organic synthesis
  • API synthesis

Handling and storage

Recommended storage temperature is 2–8 °C. Hazard communication follows GHS (Warning: H302, H317, H319 and H411). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 100 mg, 250 mg, 500 mg, 1 g and 5 g, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of (-)-Epigallocatechin gallate, ≥99%
Product name(-)-Epigallocatechin gallate, ≥99%
Catalogue numberZX-007729
CAS number989-51-5
IUPAC name[(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate
Molecular formulaC22H18O11
Molar mass458.4 g/mol
Exact mass458.0849
Purity / assay≥99%
Physical formPowder
AppearanceWhite to light pink or beige powder
XLogP31.2
H-bond donors / acceptors8 / 11
Topological polar surface area197 Ų
Storage2–8 °C
HS code29329900
InChIKeyWMBWREPUVVBILR-WIYYLYMNSA-N
SMILESC1[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 CID65064
SynonymsEpigallocatechin 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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of (-)-Epigallocatechin gallate, ≥99%
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request
5 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about (-)-Epigallocatechin gallate, ≥99%

Which CAS number identifies (-)-Epigallocatechin gallate, ≥99%?
(-)-Epigallocatechin gallate, ≥99% is registered under CAS 989-51-5. You may also see it listed as Epigallocatechin gallate, Epigallocatechin-3-gallate, Tea catechin. Our catalogue number for this item is ZX-007729.
What are the formula and molar mass of (-)-Epigallocatechin gallate, ≥99%?
For (-)-Epigallocatechin gallate, ≥99%, its formula is C22H18O11 and its molar mass is 458.4 g/mol. The 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. InChIKey WMBWREPUVVBILR-WIYYLYMNSA-N lets you match it in any structure database.
What grade and pack sizes are available for (-)-Epigallocatechin gallate, ≥99%?
This listing is ≥99% purity. Standard packs are 100 mg, 250 mg, 500 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with (-)-Epigallocatechin gallate, ≥99%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship (-)-Epigallocatechin gallate, ≥99% to my country?
Yes. Because (-)-Epigallocatechin gallate, ≥99% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
How do I store (-)-Epigallocatechin gallate, ≥99%?
2–8 °C. Keep the container closed and follow the handling advice in the SDS.

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