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ChemicalBook >> CAS DataBase List >> L-Epicatechin

L-Epicatechin

L-Epicatechin  price.
  • $5 - $1508
  • Product name: L-Epicatechin
  • CAS: 490-46-0
  • MF: C15H14O6
  • MW: 290.27
  • EINECS:207-710-1
  • MDL Number:MFCD00075648
  • Synonyms:3,3',4',5,7-PENTAHYDROXY-FLAVANE;3,3',4',5,7-PENTAHYROXYFLAVONE;3,3',4',5,7-PENTAHYDROXYFLAVAN;(-)-epicatecho ;(-)-epicatechol ;(+)-EPICATECHIN;EPICATECHIN, (+)-;CIS-2-[3,4-DIHYDROXYPHENYL]-3,4-DIHYDRO-2H-1-BENZOPYRAN-3,5,7-TRIOL
66 prices
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  • ACHEMBLOCK
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  • AK Scientific
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  • ManufacturerACHEMBLOCK
  • Product numberL22345
  • Product description(-)-Epicatechin 98%
  • Packaging100MG
  • Price$75
  • Updated2021-12-16
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberL22345
  • Product description(-)-Epicatechin 98%
  • Packaging1G
  • Price$395
  • Updated2021-12-16
  • Buy
  • ManufacturerAdipogen Life Sciences
  • Product numberCDX-E0231-M005
  • Product description(-)-Epicatechin ≥98%(HPLC)
  • Packaging5mg
  • Price$87
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ96045
  • Product descriptionL-Epicatechin
  • Packaging5g
  • Price$95
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberJ61218
  • Product description(-)-Epicatechin
  • Packaging20mg
  • Price$404.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAmbeed
  • Product numberA121952
  • Product description(2R,3R)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol 97+%
  • Packaging50mg
  • Price$5
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA121952
  • Product description(2R,3R)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol 97+%
  • Packaging100mg
  • Price$6
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA121952
  • Product description(2R,3R)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol 97+%
  • Packaging250mg
  • Price$8
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA121952
  • Product description(2R,3R)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol 97+%
  • Packaging1g
  • Price$12
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA121952
  • Product description(2R,3R)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol 97+%
  • Packaging5g
  • Price$37
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA121952
  • Product description(2R,3R)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol 97+%
  • Packaging25g
  • Price$148
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA121952
  • Product description(2R,3R)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol 97+%
  • Packaging100g
  • Price$551
  • Updated2021-12-16
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberPXT0005226
  • Product description(-)-EPICATECHIN 95.00%
  • Packaging10MG
  • Price$750.75
  • Updated2021-12-16
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  • ManufacturerApexBio Technology
  • Product numberB4964
  • Product description(-)-epicatechin
  • Packaging5mg
  • Price$45
  • Updated2021-12-16
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  • ManufacturerApexBio Technology
  • Product numberB4964
  • Product description(-)-epicatechin
  • Packaging10mg
  • Price$74
  • Updated2021-12-16
  • Buy
  • ManufacturerApexBio Technology
  • Product numberB4964
  • Product description(-)-epicatechin
  • Packaging10mM(in 1mL DMSO)
  • Price$77
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
ACHEMBLOCK L22345 (-)-Epicatechin 98% 100MG $75 2021-12-16 Buy
ACHEMBLOCK L22345 (-)-Epicatechin 98% 1G $395 2021-12-16 Buy
Adipogen Life Sciences CDX-E0231-M005 (-)-Epicatechin ≥98%(HPLC) 5mg $87 2021-12-16 Buy
AK Scientific J96045 L-Epicatechin 5g $95 2021-12-16 Buy
Alfa Aesar J61218 (-)-Epicatechin 20mg $404.65 2024-03-01 Buy
Ambeed A121952 (2R,3R)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol 97+% 50mg $5 2021-12-16 Buy
Ambeed A121952 (2R,3R)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol 97+% 100mg $6 2021-12-16 Buy
Ambeed A121952 (2R,3R)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol 97+% 250mg $8 2021-12-16 Buy
Ambeed A121952 (2R,3R)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol 97+% 1g $12 2021-12-16 Buy
Ambeed A121952 (2R,3R)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol 97+% 5g $37 2021-12-16 Buy
Ambeed A121952 (2R,3R)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol 97+% 25g $148 2021-12-16 Buy
Ambeed A121952 (2R,3R)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol 97+% 100g $551 2021-12-16 Buy
American Custom Chemicals Corporation PXT0005226 (-)-EPICATECHIN 95.00% 10MG $750.75 2021-12-16 Buy
ApexBio Technology B4964 (-)-epicatechin 5mg $45 2021-12-16 Buy
ApexBio Technology B4964 (-)-epicatechin 10mg $74 2021-12-16 Buy
ApexBio Technology B4964 (-)-epicatechin 10mM(in 1mL DMSO) $77 2021-12-16 Buy

Properties

Melting point :240 °C (dec.)(lit.)
alpha :-55~-65゜(D/20℃)(c=1,CH3OH)
Boiling point :629.2 °C
Density :1.593±0.06 g/cm3(Predicted)
storage temp. :-20°C
solubility :insoluble in H2O; insoluble in EtOH; ≥14.5 mg/mL in DMSO
pka :9.54±0.10(Predicted)
color :White to Light yellow to Light orange
Water Solubility :Soluble in water or alcohol
Merck :13,1912
BRN :92760
Stability :Hygroscopic
InChIKey :PFTAWBLQPZVEMU-UKRRQHHQSA-N
LogP :0.490 (est)
CAS DataBase Reference :490-46-0(CAS DataBase Reference)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Catechin is a polyphenolic flavonoid that has been isolated from a variety of natural sources including tea leaves, grape seeds, and the wood and bark of trees such as acacia and mahogany. Catechin is a more potent antioxidant than ascorbate or α-tocopherol in certain in vitro lipid peroxidation assays. (?)-Epicatechin is a 2R,3R stereoisomer of catechin. Like catechin, (?)-epicatechin is a powerful antioxidant. It inhibits cyclooxygenase 1 (IC50 = 3.2 μM). Also, at 100 μM, (?)-epicatechin induces apoptosis in human adenocarcinoma PC-9 cells and stimulates the inhibition of tumor necrosis factor-α release from BALB-c/3T3 cells treated with epigallocatechin gallate.

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