English
What Are You Looking For?
Premium EGCG (Epigallocatechin gallate, CAS: 989-51-5, ≥98% purity) from natural green tea extract. A powerful polyphenol antioxidant for nutraceuticals, pharmaceuticals, and cosmetics. Reliable global supplier with COA, MSDS & bulk supply.
Product Name :
EGCG (Epigallocatechin gallateCAS No. :
989-51-5Appearance :
Light yellow to White powderSpecification :
98%Product Name: (-)-Epigallocatechin gallate (EGCG)
Synonyms: Epigallocatechin-3-gallate; EGCG; Green tea polyphenol
CAS Number: 989-51-5
Molecular Formula: C22H18O11
Molecular Weight: 458.37 g/mol
Appearance: Light yellow to White powder
Purity: ≥98% (HPLC)
Source: Extracted from Camellia sinensis (Green Tea Leaves)
Category: Natural polyphenol / Flavonoid / Antioxidant
(-)-Epigallocatechin gallate (EGCG, CAS: 989-51-5) is the most abundant and bioactive catechin found in green tea (Camellia sinensis).
It is widely recognized for its potent antioxidant, anti-inflammatory, and metabolic support properties, making it a popular ingredient in nutraceuticals, functional foods, cosmetics, and pharmaceutical research.
🌿 Natural Origin: Extracted from green tea leaves
💎 High Purity: ≥98% verified by HPLC
🔬 Biological Activity: Antioxidant & metabolic regulation
📑 Quality Documents: COA, MSDS, HPLC, NMR available
📦 Flexible Supply: Lab-scale to industrial bulk
Popular in weight management, energy, and antioxidant formulations
Widely used in green tea extract capsules, tablets, and powders
Studied for its role in cardiovascular protection, anti-inflammatory, and anticancer mechanisms
Valuable in metabolic health and diabetes research
Applied as a natural antioxidant & anti-aging ingredient
Helps in UV protection, skin brightening, and anti-inflammatory care
| Item | Specification |
|---|---|
| Product Name | (-)-Epigallocatechin gallate (EGCG) |
| CAS Number | 989-51-5 |
| Molecular Formula | C22H18O11 |
| Molecular Weight | 458.37 g/mol |
| Appearance | Light yellow to White powder |
| Purity | ≥98% (HPLC) |
| Source | Camellia sinensis (Green Tea) |
| Solubility | Soluble in hot water, ethanol; poorly soluble in nonpolar solvents |
| Storage | Store in a cool, dry place, away from light |
| Shelf Life | 24 months if properly stored |
✅ Professional manufacturer of tea polyphenols & plant extracts
✅ Strict QC with COA, HPLC, MSDS, NMR provided
✅ Worldwide supply & fast logistics
✅ OEM & bulk packaging options available
✅ Trusted by nutraceutical, cosmetic & pharmaceutical industries
Standard: 100g, 1kg, 5kg
Bulk: 25kg/drum
Custom packaging available
Global fast shipping
Looking for a high-purity EGCG (CAS: 989-51-5) supplier?
We provide premium green tea extracts with reliable quality and professional support.
📩 Contact us today for samples, quotes, and technical data.
🌐 Website: www.cqherb.com
Parthenolide is a bioactive sesquiterpene lactone isolated from Feverfew (Tanacetum parthenium) and select Magnolia species (e.g., Michelia hedyosperma). It exhibits potent anti-tumor, anti-inflammatory, and anti-leukemic properties by selectively targeting cancer stem cells and inhibiting NF-κB signaling pathways. This 98% high-purity extract is optimized for pharmaceutical R&D and nutraceutical applications, ensuring batch-to-batch consistency through advanced purification technology.
Read More
Salidroside is a key active glycoside extracted from Rhodiola rosea, a perennial herb thriving in high-altitude regions. With its natural purity and bioactivity, this compound supports adaptogenic responses, enhances physical endurance, and promotes neuronal health by modulating oxidative stress and energy metabolism. Renowned for its role in traditional medicine, salidroside is now valued in functional supplements and cosmeceuticals for its dual benefits in stress resilience and cellular vitality.
Read More
Rhein 98% is a high-purity anthraquinone derivative extracted from Rheum palmatum (rhubarb), celebrated for its bioactive properties in traditional herbal medicine. Verified by HPLC to contain ≥98% purity, this premium extract supports detoxification pathways, modulates inflammatory responses, and promotes metabolic balance by targeting key cellular signaling networks.
Read More
Ideal for research and development within the pharmaceutical, nutraceutical, and healthcare industries, supporting applications in metabolic, cardiovascular, and inflammatory health areas.
Read More
Pharma-Grade Wogonin (632-85-9), a yellow crystalline flavonoid, excels in solubility (methanol/ethanol/acetone) and stability (storage: 2–8°C, inert atmosphere) . Validated for antioxidant, diuretic, and immunomodulatory applications, it suppresses lipid peroxidation and collagen-induced platelet activation
Read More
IPv6 network supported