(-)-Gallocatechin - ≥98% , CAS No.3371-27-5

CAS: 3371-27-5 Cat. No.: G133381 Molecular Weight: 306.27 EC Number: 608-899-7
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Gallocatechin (GC) | (-)-Gallocatechin | (-)-Gallocatechin, >=98% (HPLC) | (2S,3R)-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol | Q27139455 | (2S,3R)-2-(3,4,5-trihydroxyphenyl)chromane-3,5,7-triol | (2S,3R)-2-(3,4,5-trihydroxyphenyl
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1mg
G133381-1mg
3

$9.90

$14.90
Save $5.00 (33.56%)
5mg
G133381-5mg
2

$27.90

$41.90
Save $14.00 (33.41%)
25mg
G133381-25mg
2

$100.90

$151.90
Save $51.00 (33.57%)
100mg
G133381-100mg
1

$289.90

$434.90
Save $145.00 (33.34%)
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 14 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

(−)-Gallocatechin-3 is a polyphenolic compound and one of the major catechins found in green tea (Camellia sinensis).

Examples of the use of (−)-gallocatechin as a reference standard: Identification of polyphenols in pineapple (Ananas comosus) by HPLC; Profiling of catechins from green tea (Camellia sinensis) by RP-HPLC/photodiode array detection (RP-HPLC/PDAD); As a reference standard for the characterization of flavan-3-ols (flavanols) in muscadine grape hybrids by HPLC-qTOF-MS/MS.  

Specifications

Synonyms
Gallocatechin (GC) | (-)-Gallocatechin | (-)-Gallocatechin, >=98% (HPLC) | (2S, 3R)-2-(3, 4, 5-trihydroxyphenyl)-3, 4-dihydro-2H-1-benzopyran-3, 5, 7-triol | Q27139455 | (2S, 3R)-2-(3, 4, 5-trihydroxyphenyl)chromane-3, 5, 7-triol | (2S, 3R)-2-(3, 4, 5-trihydroxyphenyl
Specifications & Purity
≥98%
Biochemical and Physiological Mechanisms
This chemical possesses free radical scavenging ability. It inhibits the growth and adherence of P. gingivalis onto the buccal epithelial cells. A olyphenolic compound found in green tea and an epimer of (-)-epigallocatechin.Antioxidant agent. Free radica
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Note
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
Purity
≥98%
Names and Identifiers
Canonical SmilesC1C(C(OC2=CC(=CC(=C21)O)O)C3=CC(=C(C(=C3)O)O)O)O
IUPAC Name(2S,3R)-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
InChIKeyXMOCLSLCDHWDHP-DOMZBBRYSA-N
INCHI1S/C15H14O7/c16-7-3-9(17)8-5-12(20)15(22-13(8)4-7)6-1-10(18)14(21)11(19)2-6/h1-4,12,15-21H,5H2/t12-,15+/m1/s1
Isomeric SMILES C1[C@H]([C@@H](OC2=CC(=CC(=C21)O)O)C3=CC(=C(C(=C3)O)O)O)O
WGK Germany 3
Molecular Weight 306.27
Reaxy-Rn 9090619
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=9090619&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassPhenylpropanoids and polyketides
ClassFlavonoids
SubclassFlavans
Intermediate Tree Nodes Flavan-3-ols - Catechins
Direct ParentEpigallocatechins
Alternative Parents 7-hydroxyflavonoids  5-hydroxyflavonoids  4'-hydroxyflavonoids  3-hydroxyflavonoids  3'-hydroxyflavonoids  1-benzopyrans  Pyrogallols and derivatives  Alkyl aryl ethers  1-hydroxy-4-unsubstituted benzenoids  1-hydroxy-2-unsubstituted benzenoids  Benzene and substituted derivatives  Secondary alcohols  Polyols  Oxacyclic compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Epigallocatechin - 3'-hydroxyflavonoid - 3-hydroxyflavonoid - 4'-hydroxyflavonoid - 5-hydroxyflavonoid - 7-hydroxyflavonoid - Hydroxyflavonoid - 1-benzopyran - Chromane - Benzopyran - Pyrogallol derivative - Benzenetriol - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Alkyl aryl ether - Phenol - Benzenoid - Monocyclic benzene moiety - Secondary alcohol - Polyol - Organoheterocyclic compound - Oxacycle - Ether - Hydrocarbon derivative - Alcohol - Organic oxygen compound - Organooxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as epigallocatechins. These are compounds containing epigallocatechin or a derivative. Epigallocatechin is a flavan-3-ol containing a benzopyran-3,5,7-triol linked to a 3,4,5-hydroxyphenyl moiety.
External Descriptors gallocatechin
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
FASN Tchem Fatty acid synthase (3390 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PGD Tchem 6-phosphogluconate dehydrogenase (58 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
G6PD Tchem Glucose-6-phosphate 1-dehydrogenase (778 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
fabG 3-oxoacyl-acyl-carrier protein reductase (70 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
fabI Enoyl-acyl-carrier protein reductase (415 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

7 results found

Lot NumberCertificate TypeDateItem
D1507022Certificate of AnalysisMay 21, 2026 G133381
B2225319Certificate of AnalysisSep 09, 2025 G133381
B2225415Certificate of AnalysisSep 09, 2025 G133381
B2226005Certificate of AnalysisSep 09, 2025 G133381
G2524444Certificate of AnalysisMay 08, 2025 G133381
G2524473Certificate of AnalysisMay 08, 2025 G133381
K2401024Certificate of AnalysisNov 07, 2024 G133381
Chemical and Physical Properties
SolubilityH2O: 5 mg/mL with brief sonication: alcohol: soluble
SensitivityLight & Moisture Sensitive.
Molecular Weight306.270 g/mol
XLogP30.000
Hydrogen Bond Donor Count6
Hydrogen Bond Acceptor Count7
Rotatable Bond Count1
Exact Mass306.074 Da
Monoisotopic Mass306.074 Da
Topological Polar Surface Area131.000 Ų
Heavy Atom Count22
Formal Charge0
Complexity380.000
Isotope Atom Count0
Defined Atom Stereocenter Count2
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Lihua Li, Zhanli Zhao, Shuying Wei, Ke Xu, Junfang Xia, Qiushuang Wu, Xin Lü, Li Wang.  (2023)  Development and application of multifunctional films based on modified chitosan/gelatin polyelectrolyte complex for preservation and monitoring.  FOOD HYDROCOLLOIDS,      [PMID:] [10.1016/j.foodhyd.2023.109336]
2. Xiao-Hua Zhang, Hui-Na Cui, Jing-Jing Zheng, Xiang-Dong Qing, Kai-Long Yang, Ya-Qian Zhang, Lu-Meng Ren, Le-Yuan Pan, Xiao-Li Yin.  (2022)  Discrimination of the harvesting season of green tea by alcohol/salt-based aqueous two-phase systems combined with chemometric analysis.  FOOD RESEARCH INTERNATIONAL,      [PMID:36596188] [10.1016/j.foodres.2022.112278]
3. Hui-Wen Gu, Xiao-Li Yin, Tian-Qin Peng, Yuan Pan, Hui-Na Cui, Zhi-Quan Li, Weiqing Sun, Baomiao Ding, Xian-Chun Hu, Zi-Hong Zhang, Zhi Liu.  (2021)  Geographical origin identification and chemical markers screening of Chinese green tea using two-dimensional fingerprints technique coupled with multivariate chemometric methods.  FOOD CONTROL,      [PMID:] [10.1016/j.foodcont.2021.108795]
4. Yu-Meng Zhu, Jun-Jie Dong, Jing Jin, Jin-Hua Liu, Xin-Qiang Zheng, Jian-Liang Lu, Yue-Rong Liang, Jian-Hui Ye.  (2021)  Roasting process shaping the chemical profile of roasted green tea and the association with aroma features.  FOOD CHEMISTRY,      [PMID:33714119] [10.1016/j.foodchem.2021.129428]
5. Tian-Qin Peng, Xiao-Li Yin, Hui-Wen Gu, Weiqing Sun, Baomiao Ding, Xian-Chun Hu, Li-An Ma, Shu-Dong Wei, Zhi Liu, Shi-Yi Ye.  (2020)  HPLC-DAD fingerprints combined with chemometric techniques for the authentication of plucking seasons of Laoshan green tea.  FOOD CHEMISTRY,      [PMID:33465688] [10.1016/j.foodchem.2020.128959]
6. Dandan Qin, Qiushuang Wang, Hongjian Li, Xiaohui Jiang, Kaixing Fang, Qing Wang, Bo Li, Chendong Pan, Hualing Wu.  (2020)  Identification of key metabolites based on non-targeted metabolomics and chemometrics analyses provides insights into bitterness in Kucha [Camellia kucha (Chang et Wang) Chang].  FOOD RESEARCH INTERNATIONAL,      [PMID:33288175] [10.1016/j.foodres.2020.109789]
7. Huan Fang, Tong Wang, Lan Chen, Xiao-Zhi Wang, Hai-Long Wu, Yao Chen, Ru-Qin Yu.  (2024)  Rapid authenticity identification of high-quality Wuyi Rock tea by multidimensional fluorescence spectroscopy coupled with chemometrics.  JOURNAL OF FOOD COMPOSITION AND ANALYSIS,      [PMID:] [10.1016/j.jfca.2024.106632]
8. Yating Guo, Yani Pan, Xinyu Feng, Haowei Guo, Liping Liu, Kexin Zhang, Haojun Xie, Binkai Zhu, Shuying Gong, Qiang Chu, Hua Fang, Ping Chen.  (2025)  Reshaped local microbiology metabolism by raw tea according to pile fermentation in the dark tea.  Journal of Advanced Research,      [PMID:40064439] [10.1016/j.jare.2025.02.039]
9. Lan Zhang, Haocun Kong, Bimal Chitrakar, Xiaofeng Ban, Zhengbiao Gu, Yan Hong, Li Cheng, Zhaofeng Li, Caiming Li.  (2024)  The substitution sites of hydroxyl and galloyl groups determine the inhibitory activity of human pancreatic α-amylase in twelve tea polyphenol monomers.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:38181909] [10.1016/j.ijbiomac.2023.129189]
10. Ruijie Liu, Jeroen Kool, Jingyi Jian, Jincai Wang, Xianglong Zhao, Zhengjin Jiang, Tingting Zhang.  (2020)  Rapid Screening α-Glucosidase Inhibitors from Natural Products by At-Line Nanofractionation with Parallel Mass Spectrometry and Bioactivity Assessment.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:33271429] [10.1016/j.chroma.2020.461740]
11. Haolin Zhang, Jingjing Zhang, Hui Cao, Petra Högger, Randolph Arroo, Mohamed A. Farag, Avi Shpigelman, Jianbo Xiao, Chunlin Li.  (2025)  Amination of Flavonoids Possessing a Pyrogallol Group in Cell Culture Medium at 37°C.  Food Frontiers,  (2): (1058-1078).  [PMID:] [10.1002/fft2.70002]
12. Quanyong Wu, Caohuizi Xiao, Boya Ouyang, Jesus Simal-Gandara, Yaping Qi, Zi Chen.  (2025)  Tea Polyphenols Enhance Embryonic Development and Mitigate DMSO-Induced Toxicity in Drosophila.  eFood,  (6): (e70091).  [PMID:] [10.1002/efd2.70091]
13. Dunchao Wu, Yufei He, Juanshu Wen, Hongfa Zheng, Xi Zhao, Penghui Yu, Ni Zhong, Li Niu, Shi Li, Yong Lin, Hao Huang, Zhonghua Liu.  (2026)  Multidimensional Analysis Reveals the Flavor Quality Formation Mechanism During the Primary Pile Fermentation of Dark Tea.  Foods,  15  (2): (212).  [PMID:41596811] [10.3390/foods15020212]
14. Shiyu Zhang, Xinzhuan Yao, Yanxia Wang, Muhammad Safiullah Virk, Shiyu Tian, Zhenkedai Yuan, Qihong Zou, Linlin Li, Shenyuan Ye, Hu Tang, Litang Lu.  (2026)  Chemical and Sensory Characteristics of Baiye No.1 (BY1H) Yellow Tea: Insights into Flavoring Mechanism and Quality Valuation.  Food Bioscience,      [PMID:] [10.1016/j.fbio.2026.108380]
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