Caledon Red 4B structure

Caledon Red 4B

TL;DR: Caledon Red 4B (CAS 4430-70-0) is a chemical compound with molecular formula C44H24N4O8 and molecular weight 736.16 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

1-amino-N-[4-[(1-amino-9,10-dioxoanthracene-2-carbonyl)amino]-9,10-dioxoanthracen-1-yl]-9,10-dioxoanthracene-2-carboxamide

Also Known As: Caledon Red 4B, Indanthren Rubine GR, Palanthrene Rubine GR, C.I. Vat Red 21, C.I.Vat Red 21

CAS: 4430-70-0
Molecular Formula C44H24N4O8
Molecular Weight 736.16 g/mol
LogP 5.6818
Topological Polar Surface Area 212.66 Ų
Hydrogen Bond Donors 4
Hydrogen Bond Acceptors 10
Rotatable Bonds 4
Exact Mass 736.1594
Heavy Atoms 56
Complexity 2747.047

Chemical Identifiers

CAS Number 4430-70-0
SMILES C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C=C3)C(=O)NC4=C5C(=C(C=C4)NC(=O)C6=C(C7=C(C=C6)C(=O)C8=CC=CC=C8C7=O)N)C(=O)C9=CC=CC=C9C5=O)N

Product Overview

Caledon Red 4B (CAS 4430-70-0), with molecular formula C44H24N4O8 and molecular weight 736.16 g/mol. IUPAC: 1-amino-N-[4-[(1-amino-9,10-dioxoanthracene-2-carbonyl)amino]-9,10-dioxoanthracen-1-yl]-9,10-dioxoanthracene-2-carboxamide.

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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 Caledon Red 4B

XLogP
5.6818
TPSA (Topological Polar Surface Area)
212.66
Hydrogen Bond Donors
4
Hydrogen Bond Acceptors
10
Rotatable Bonds
4
Heavy Atoms
56
Complexity
2747.047
Exact Mass
736.1594
Monoisotopic Mass
736.1594
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 Caledon Red 4B

The XLogP value of 5.6818 indicates that Caledon Red 4B is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 212.66 Ų indicates high polarity, suggesting Caledon Red 4B may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Caledon Red 4B has 4 hydrogen bond donor(s) and 10 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 Caledon Red 4B?

The CAS number of Caledon Red 4B is 4430-70-0.

What is the molecular formula of Caledon Red 4B?

The molecular formula of Caledon Red 4B is C44H24N4O8.

What is the molecular weight of Caledon Red 4B?

The molecular weight of Caledon Red 4B is 736.16 g/mol.

Where can I buy Caledon Red 4B?

You can request a quote for Caledon Red 4B directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Caledon Red 4B?

Yes, KEHONG BIO provides custom synthesis services for Caledon Red 4B and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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