Fast Red B structure

Fast Red B

TL;DR: Fast Red B (CAS 27761-26-8) is a chemical compound with molecular formula C7H6N3O3+ and molecular weight 180.04 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

2-methoxy-4-nitrobenzenediazonium

Also Known As: Fast Red B, 2-Methoxy-4-nitrobenzenediazonium, Fast red B salt, Daito Red Salt B, Diazo Fast Red B

CAS: 27761-26-8
Molecular Formula C7H6N3O3+
Molecular Weight 180.04 g/mol
LogP 2.8
Topological Polar Surface Area 83.2 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 4
Rotatable Bonds 1
Exact Mass 180.04091
Heavy Atoms 13
Complexity 241.0

Chemical Identifiers

CAS Number 27761-26-8
SMILES COC1=C(C=CC(=C1)[N+](=O)[O-])[N+]#N
InChIKey QCONCWPZAHEPSP-UHFFFAOYSA-N

Patent-Derived Application Labels

Derived from 2 IPC patent classification(s) across the SureChEMBL global patent database.

Analytical Reagents (8 patents) Biotechnology (4 patents)

Product Overview

Fast Red B (CAS 27761-26-8), with molecular formula C7H6N3O3+ and molecular weight 180.04 g/mol. IUPAC: 2-methoxy-4-nitrobenzenediazonium.

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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 Fast Red B

XLogP
2.8
TPSA (Topological Polar Surface Area)
83.2
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
4
Rotatable Bonds
1
Heavy Atoms
13
Complexity
241.0
Exact Mass
180.04091
Monoisotopic Mass
180.04091
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 Fast Red B

The XLogP value of 2.8 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Fast Red B. The TPSA of 83.2 Ų falls within the moderate polarity range, balancing permeability and solubility for Fast Red B. Following Lipinski's Rule of Five, Fast Red B has 0 hydrogen bond donor(s) and 4 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

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 Fast Red B?

The CAS number of Fast Red B is 27761-26-8.

What is the molecular formula of Fast Red B?

The molecular formula of Fast Red B is C7H6N3O3+.

What is the molecular weight of Fast Red B?

The molecular weight of Fast Red B is 180.04 g/mol.

Where can I buy Fast Red B?

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

Does KEHONG BIO offer custom synthesis for Fast Red B?

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

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