Direct Red 12B structure

Direct Red 12B

TL;DR: Direct Red 12B (CAS 5001-72-9) is a chemical compound with molecular formula C32H21N5Na2O8S2 and molecular weight 713.06 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

disodium;4-hydroxy-7-[(5-hydroxy-6-phenyldiazenyl-7-sulfonatonaphthalen-2-yl)amino]-3-phenyldiazenylnaphthalene-2-sulfonate

Also Known As: Direct Red 31, Direct Red 12B, DIRECT PINK 12B, Direct Red 31, tech., C.I. Direct Red 31

CAS: 5001-72-9
Molecular Formula C32H21N5Na2O8S2
Molecular Weight 713.06 g/mol
LogP 1.79
Topological Polar Surface Area 233.0 Ų
Hydrogen Bond Donors 3
Hydrogen Bond Acceptors 13
Rotatable Bonds 6
Exact Mass 713.0627
Heavy Atoms 49
Complexity 1200.0

Chemical Identifiers

CAS Number 5001-72-9
SMILES C1=CC=C(C=C1)N=NC2=C(C=C3C=C(C=CC3=C2O)NC4=CC5=CC(=C(C(=C5C=C4)O)N=NC6=CC=CC=C6)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
InChIKey OYUZMQYZGSMPII-UHFFFAOYSA-L

Product Overview

Direct Red 12B (CAS 5001-72-9), with molecular formula C32H21N5Na2O8S2 and molecular weight 713.06 g/mol. IUPAC: disodium;4-hydroxy-7-[(5-hydroxy-6-phenyldiazenyl-7-sulfonatonaphthalen-2-yl)amino]-3-phenyldiazenylnaphthalene-2-sulfonate.

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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 Direct Red 12B

XLogP
1.79
TPSA (Topological Polar Surface Area)
233.0
Hydrogen Bond Donors
3
Hydrogen Bond Acceptors
13
Rotatable Bonds
6
Heavy Atoms
49
Complexity
1200.0
Exact Mass
713.0627
Monoisotopic Mass
713.0627
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 Direct Red 12B

The XLogP value of 1.79 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Direct Red 12B. The TPSA of 233.0 Ų indicates high polarity, suggesting Direct Red 12B may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Direct Red 12B has 3 hydrogen bond donor(s) and 13 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 Direct Red 12B?

The CAS number of Direct Red 12B is 5001-72-9.

What is the molecular formula of Direct Red 12B?

The molecular formula of Direct Red 12B is C32H21N5Na2O8S2.

What is the molecular weight of Direct Red 12B?

The molecular weight of Direct Red 12B is 713.06 g/mol.

Where can I buy Direct Red 12B?

You can request a quote for Direct Red 12B directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Direct Red 12B?

Yes, KEHONG BIO provides custom synthesis services for Direct Red 12B and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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