ORANGE AB structure

ORANGE AB

TL;DR: ORANGE AB (CAS 2657-89-8) is a chemical compound with molecular formula C16H12N2O10S3 and molecular weight 487.97 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

7-hydroxy-8-[(4-sulfophenyl)diazenyl]naphthalene-1,3-disulfonic acid

Also Known As: ORANGE AB, J1.559.179J, 7-Hydroxy-8-[(4-sulfophenyl)azo]-1,3-naphthalenedisulfonic acid, 7-Oxo-8-[2-(4-sulfophenyl)hydrazinylidene]-7,8-dihydronaphthalene-1,3-disulfonic acid, 1,3-Naphthalenedisulfonicacid, 7-hydroxy-8-[2-(4-sulfophenyl)diazenyl]-

CAS: 2657-89-8
Molecular Formula C16H12N2O10S3
Molecular Weight 487.97 g/mol
LogP 0.8
Topological Polar Surface Area 233.0 Ų
Hydrogen Bond Donors 4
Hydrogen Bond Acceptors 12
Rotatable Bonds 5
Exact Mass 487.9654
Heavy Atoms 31
Complexity 986.0

Chemical Identifiers

CAS Number 2657-89-8
SMILES C1=CC(=CC=C1N=NC2=C(C=CC3=CC(=CC(=C32)S(=O)(=O)O)S(=O)(=O)O)O)S(=O)(=O)O
InChIKey MFTUZUZBZDJDHN-UHFFFAOYSA-N

Product Overview

ORANGE AB (CAS 2657-89-8), with molecular formula C16H12N2O10S3 and molecular weight 487.97 g/mol. IUPAC: 7-hydroxy-8-[(4-sulfophenyl)diazenyl]naphthalene-1,3-disulfonic acid.

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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 ORANGE AB

XLogP
0.8
TPSA (Topological Polar Surface Area)
233.0
Hydrogen Bond Donors
4
Hydrogen Bond Acceptors
12
Rotatable Bonds
5
Heavy Atoms
31
Complexity
986.0
Exact Mass
487.9654
Monoisotopic Mass
487.9654
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 ORANGE AB

The XLogP value of 0.8 suggests moderate lipophilicity, balancing water solubility and membrane permeability for ORANGE AB. The TPSA of 233.0 Ų indicates high polarity, suggesting ORANGE AB may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, ORANGE AB has 4 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 ORANGE AB?

The CAS number of ORANGE AB is 2657-89-8.

What is the molecular formula of ORANGE AB?

The molecular formula of ORANGE AB is C16H12N2O10S3.

What is the molecular weight of ORANGE AB?

The molecular weight of ORANGE AB is 487.97 g/mol.

Where can I buy ORANGE AB?

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

Does KEHONG BIO offer custom synthesis for ORANGE AB?

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

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