Procyanidin B3

Modify Date: 2025-08-22 16:04:57

Procyanidin B3 structure	Common Name	Procyanidin B3
	CAS Number	23567-23-9	Molecular Weight	578.520
	Density	1.7±0.1 g/cm3	Boiling Point	955.3±65.0 °C at 760 mmHg
	Molecular Formula	C₃₀H₂₆O₁₂	Melting Point	218-219℃
	MSDS	N/A	Flash Point	531.6±34.3 °C

Use of Procyanidin B3

Procyanidin B3 is a natural product, acts as a specific HAT inhibitor, binds to the other site of p300 instead of the active site, selectively inhibits p300-mediated androgen receptor acetylation. Procyanidin B3 has no effect on HDAC or HMT (histone methyltransferase)[1].

Name	procyanidin B3
Synonym	More Synonyms

Description	Procyanidin B3 is a natural product, acts as a specific HAT inhibitor, binds to the other site of p300 instead of the active site, selectively inhibits p300-mediated androgen receptor acetylation. Procyanidin B3 has no effect on HDAC or HMT (histone methyltransferase)[1].
Related Catalog	Research Areas >> Cancer Signaling Pathways >> Epigenetics >> Histone Acetyltransferase
Target	p300[1]
References	[1]. Choi KC, et al. Procyanidin B3, an inhibitor of histone acetyltransferase, enhances the action of antagonist for prostate cancer cells via inhibition of p300-dependent acetylation of androgen receptor. Biochem J. 2011 Jan 1;433(1):235-44.

Density	1.7±0.1 g/cm3
Boiling Point	955.3±65.0 °C at 760 mmHg
Melting Point	218-219℃
Molecular Formula	C₃₀H₂₆O₁₂
Molecular Weight	578.520
Flash Point	531.6±34.3 °C
Exact Mass	578.142456
PSA	220.76000
LogP	0.30
Vapour Pressure	0.0±0.3 mmHg at 25°C
Index of Refraction	1.803
Storage condition	?20°C

Hazard Codes	Xi
Risk Phrases	36/37/38
Safety Phrases	26-36

Precursor 3
CAS#:777063-26-0 8-bromo-3,5,7,3... CAS#:20728-73-8 (2R-trans)-2-[3... CAS#:154-23-4 Catechin
DownStream 3
CAS#:490-46-0 Epicatechin CAS#:154-23-4 Catechin CAS#:13306-05-3 cyanidin

Proanthocyanidin B3

Procyanidin B2

(2R,2'R,3R,3'R,4R)-2,2'-Bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-2H,2'H-4,8'-bichromene-3,3',5,5',7,7'-hexol

(2R,3S)-2-(3,4-dihydroxyphenyl)-8-[(2R,3S,4S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-4-yl]-3,4-dihydro-2H-chromene-3,5,7-triol

4,8"-Bi-[(+)-epicatechin]

Procyanidin B-3

Proanthocyanidin

UNII-L88HKE854X

2,3-trans-proanthocyanidin

[4,8'-Bi-2H-1-benzopyran]-3,3',5,5',7,7'-hexol, 2,2'-bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-, (2R,2'R,3R,3'R,4R)-

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Procyanidin B3
Price: Check
Purity: 98.0%
Delivery: 10 Day
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Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Procyanidin B3
Price: ￥1638.0/10mg
Purity: 98.0%
Delivery: 3 Day
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DC Chemicals Limited
China
Product Name: Procyanidin B3
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/1g
Purity: 98.0%
Delivery: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Procyanidin
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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Price: ￥86494.2/1g

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Procyanidin B3

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Procyanidin B3 Biological Activity

Chemical & Physical Properties

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Synthetic Route

Precursor & DownStream

Synonyms

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