Sildenafil Impurity 94 structure

Sildenafil Impurity 94

TL;DR: Sildenafil Impurity 94 (CAS 226956-42-9) is a chemical compound with molecular formula C17H21ClN4O5S and molecular weight 428.09 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

3-[(5-carbamoyl-1-methyl-3-propylpyrazol-4-yl)carbamoyl]-4-ethoxybenzenesulfonyl chloride

Also Known As: Sildenafil Impurity 94, Sildenafil Impurity 203, 3-[(5-carbamoyl-1-methyl-3-propyl-pyrazol-4-yl)carbamoyl]-4-ethoxy-benzenesulfonyl Chloride, 3-((5-carbamoyl-1-methyl-3-propyl-1H-pyrazol-4-yl)carbamoyl)-4-ethoxybenzenesulfonyl chloride, 3-[[[5-(aminocarbonyl)-1-methyl-3-propyl-1H-pyrazol-4-yl]amino]carbonyl]-4-ethoxy-benzenesulfonyl chloride

CAS: 226956-42-9
Molecular Formula C17H21ClN4O5S
Molecular Weight 428.09 g/mol
LogP 2.05
Topological Polar Surface Area 133.38 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 6
Rotatable Bonds 8
Exact Mass 428.09213
Heavy Atoms 28
Complexity 1016.79535

Chemical Identifiers

CAS Number 226956-42-9
SMILES CCCC1=NN(C(=C1NC(=O)C2=C(C=CC(=C2)S(=O)(=O)Cl)OCC)C(=O)N)C

Product Overview

Sildenafil Impurity 94 (CAS 226956-42-9), with molecular formula C17H21ClN4O5S and molecular weight 428.09 g/mol. IUPAC: 3-[(5-carbamoyl-1-methyl-3-propylpyrazol-4-yl)carbamoyl]-4-ethoxybenzenesulfonyl chloride.

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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 Sildenafil Impurity 94

XLogP
2.05
TPSA (Topological Polar Surface Area)
133.38
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
6
Rotatable Bonds
8
Heavy Atoms
28
Complexity
1016.79535
Exact Mass
428.09213
Monoisotopic Mass
428.09213
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 Sildenafil Impurity 94

The XLogP value of 2.05 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Sildenafil Impurity 94. The TPSA of 133.38 Ų falls within the moderate polarity range, balancing permeability and solubility for Sildenafil Impurity 94. Following Lipinski's Rule of Five, Sildenafil Impurity 94 has 2 hydrogen bond donor(s) and 6 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 Sildenafil Impurity 94?

The CAS number of Sildenafil Impurity 94 is 226956-42-9.

What is the molecular formula of Sildenafil Impurity 94?

The molecular formula of Sildenafil Impurity 94 is C17H21ClN4O5S.

What is the molecular weight of Sildenafil Impurity 94?

The molecular weight of Sildenafil Impurity 94 is 428.09 g/mol.

Where can I buy Sildenafil Impurity 94?

You can request a quote for Sildenafil Impurity 94 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Sildenafil Impurity 94?

Yes, KEHONG BIO provides custom synthesis services for Sildenafil Impurity 94 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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