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Procyanidin B4

Also known as: Procyanidol B4, Proanthocyanidin B4, Catechin-(4α→8)-epicatechin, (+)-Catechin-(4α-8)-(-)-epicatechin, (2R,2'R,3S,3'R,4S)-2,2'-Bis(3,4-dihydroxyphenyl)-4,8'-bichroman-3,3',5,5',7,7'-hexol, (2R,2'R,3S,3'R,4S)-2,2'-Bis(3,4-dihydroxyphenyl)-4,8'-bichroman-3,3',5,5',7,7'-hexol, Procyanidin B-4, Procyanidin dimer B4

Procyanidin B4 (CAS 29106-51-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C30H26O12 and a molecular weight of 578.52 g/mol. Key properties include a boiling point of 955.3ºC at 760 mmHg, a density of 1.705g/cm3 and a flash point of 531.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
29106-51-2
Jingsj CID
J-1968994-2
Molecular Formula
C30H26O12
Molecular Weight
578.52 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point955.3ºC at 760 mmHg
Density1.705g/cm3
Flash Point531.6ºC
Exact Mass578.14200
PSA220.76000
LogP2.99500
Vapor Pressure0mmHg at 25°C
Refractive Index1.803
Storage Conditions2-8℃

Activity & Biological Data

Additional Information[1]. Katoh, M., et al. Synthesis of Procyanidin B1, B2, and B4 and Their Anti-Inflammatory Activity: The Effect of 4-Alkoxy Group of Catechin and/or Epicatechin Electrophiles for Condensation.

Frequently Asked Questions

What is the CAS number of Procyanidin B4?

The CAS number of Procyanidin B4 is 29106-51-2.

What are the molecular formula and molecular weight of Procyanidin B4?

Procyanidin B4 has molecular formula C30H26O12 and molecular weight 578.52 g/mol.

What are the upstream and downstream products of Procyanidin B4?

For Procyanidin B4, Upstream Products: (-)-Epicatechin, (+)-Catechin; Downstream Products: (-)-Epicatechin, (+)-Catechin.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Procyanidin B4 (CAS 29106-51-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1968994-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.