5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester structure

5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester

TL;DR: 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester (CAS 68213-91-2) is a chemical compound with molecular formula C18H15N5O5 and molecular weight 381.11 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

ethyl 4-[(2-nitrophenyl)diazenyl]-3-oxo-2-phenyl-1H-pyrazole-5-carboxylate

Also Known As: 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester, 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-4-((2-nitrophenyl)azo)-5-oxo-1-phenyl-, ethyl ester, 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-4-(2-(2-nitrophenyl)diazenyl)-5-oxo-1-phenyl-, ethyl ester, 1H-Pyrazole-3-carboxylic acid, 5-hydroxy-4-[(2-nitrophenyl)azo]-1-phenyl-, ethyl ester, Ethyl 4,5-dihydro-4-((2-nitrophenyl)azo)-5-oxo-1-phenyl-1H-pyrazole-3-carboxylate

CAS: 68213-91-2
Molecular Formula C18H15N5O5
Molecular Weight 381.11 g/mol
LogP 3.7
Topological Polar Surface Area 129.0 Ų
Hydrogen Bond Donors 1
Hydrogen Bond Acceptors 8
Rotatable Bonds 6
Exact Mass 381.10733
Heavy Atoms 28
Complexity 680.0

Chemical Identifiers

CAS Number 68213-91-2
SMILES CCOC(=O)C1=C(C(=O)N(N1)C2=CC=CC=C2)N=NC3=CC=CC=C3[N+](=O)[O-]
InChIKey INZDQLZFTOZXGI-UHFFFAOYSA-N

Product Overview

5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester (CAS 68213-91-2), with molecular formula C18H15N5O5 and molecular weight 381.11 g/mol. IUPAC: ethyl 4-[(2-nitrophenyl)diazenyl]-3-oxo-2-phenyl-1H-pyrazole-5-carboxylate.

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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.
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Chemical Property Profile of 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester

XLogP
3.7
TPSA (Topological Polar Surface Area)
129.0
Hydrogen Bond Donors
1
Hydrogen Bond Acceptors
8
Rotatable Bonds
6
Heavy Atoms
28
Complexity
680.0
Exact Mass
381.10733
Monoisotopic Mass
381.10733
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 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester

The XLogP value of 3.7 indicates that 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 129.0 Ų falls within the moderate polarity range, balancing permeability and solubility for 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester. Following Lipinski's Rule of Five, 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester has 1 hydrogen bond donor(s) and 8 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 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester?

The CAS number of 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester is 68213-91-2.

What is the molecular formula of 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester?

The molecular formula of 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester is C18H15N5O5.

What is the molecular weight of 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester?

The molecular weight of 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester is 381.11 g/mol.

Where can I buy 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester?

You can request a quote for 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester?

Yes, KEHONG BIO provides custom synthesis services for 5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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