Proanthocyanidin B2 structure

Proanthocyanidin B2

TL;DR: Proanthocyanidin B2 (CAS 20315-25-7) is a chemical compound with molecular formula C30H26O12 and molecular weight 578.14 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

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

Also Known As: Procyanidin B-2, Procyanidin B2, Procyanidin B1, Proanthocyanidin B2, [(-)-Epicatechin-(-)-epicatechin]

CAS: 20315-25-7
Molecular Formula C30H26O12
Molecular Weight 578.14 g/mol
LogP 2.995
Topological Polar Surface Area 220.76 Ų
Hydrogen Bond Donors 10
Hydrogen Bond Acceptors 12
Rotatable Bonds 3
Exact Mass 578.14246
Heavy Atoms 42
Complexity 1717.7617

Chemical Identifiers

CAS Number 20315-25-7
SMILES C1[C@H]([C@H](OC2=C1C(=CC(=C2C3[C@H]([C@H](OC4=CC(=CC(=C34)O)O)C5=CC(=C(C=C5)O)O)O)O)O)C6=CC(=C(C=C6)O)O)O

Product Overview

Proanthocyanidin B2 (CAS 20315-25-7), with molecular formula C30H26O12 and molecular weight 578.14 g/mol. IUPAC: (2R,3R)-2-(3,4-dihydroxyphenyl)-8-[(2R,3R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-4-yl]-3,4-dihydro-2H-chromene-3,5,7-triol.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
View MSDS →

Chemical Property Profile of Proanthocyanidin B2

XLogP
2.995
TPSA (Topological Polar Surface Area)
220.76
Hydrogen Bond Donors
10
Hydrogen Bond Acceptors
12
Rotatable Bonds
3
Heavy Atoms
42
Complexity
1717.7617
Exact Mass
578.14246
Monoisotopic Mass
578.14246
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of Proanthocyanidin B2

The XLogP value of 2.995 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Proanthocyanidin B2. The TPSA of 220.76 Ų indicates high polarity, suggesting Proanthocyanidin B2 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Proanthocyanidin B2 has 10 hydrogen bond donor(s) and 12 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of Proanthocyanidin B2?

The CAS number of Proanthocyanidin B2 is 20315-25-7.

What is the molecular formula of Proanthocyanidin B2?

The molecular formula of Proanthocyanidin B2 is C30H26O12.

What is the molecular weight of Proanthocyanidin B2?

The molecular weight of Proanthocyanidin B2 is 578.14 g/mol.

Where can I buy Proanthocyanidin B2?

You can request a quote for Proanthocyanidin B2 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Proanthocyanidin B2?

Yes, KEHONG BIO provides custom synthesis services for Proanthocyanidin B2 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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