PY-191:1 structure

PY-191:1

TL;DR: PY-191:1 (CAS 185252-52-2) is a chemical compound with molecular formula C17H15ClN4O7S2 and molecular weight 486.01 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

4-chloro-5-methyl-2-[[3-methyl-5-oxo-1-(3-sulfophenyl)-4H-pyrazol-4-yl]diazenyl]benzenesulfonic acid

Also Known As: PY-191:1, J2.016.482D, 4-chloro-5-methyl-2-[[3-methyl-5-oxo-1-(3-sulfophenyl)-4H-pyrazol-4-yl]diazenyl]benzenesulfonic acid, 4-(2-Sulfo-4-methyl-5-chlorophenylazo)-1-(3-sulfophenyl)-3-methyl-1H-pyrazole-5(4H)-one, 2-[1-(3-Sulfophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazole-4-ylazo]-4-chloro-5-methylbenzenesulfonic acid

CAS: 185252-52-2
Molecular Formula C17H15ClN4O7S2
Molecular Weight 486.01 g/mol
LogP 3.01682
Topological Polar Surface Area 166.13 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 8
Rotatable Bonds 5
Exact Mass 486.00708
Heavy Atoms 31
Complexity 1354.5302

Chemical Identifiers

CAS Number 185252-52-2
SMILES CC1=CC(=C(C=C1Cl)N=NC2C(=NN(C2=O)C3=CC(=CC=C3)S(=O)(=O)O)C)S(=O)(=O)O

Product Overview

PY-191:1 (CAS 185252-52-2), with molecular formula C17H15ClN4O7S2 and molecular weight 486.01 g/mol. IUPAC: 4-chloro-5-methyl-2-[[3-methyl-5-oxo-1-(3-sulfophenyl)-4H-pyrazol-4-yl]diazenyl]benzenesulfonic 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 PY-191:1

XLogP
3.01682
TPSA (Topological Polar Surface Area)
166.13
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
8
Rotatable Bonds
5
Heavy Atoms
31
Complexity
1354.5302
Exact Mass
486.00708
Monoisotopic Mass
486.00708
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 PY-191:1

The XLogP value of 3.01682 indicates that PY-191:1 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 166.13 Ų indicates high polarity, suggesting PY-191:1 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, PY-191:1 has 2 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 PY-191:1?

The CAS number of PY-191:1 is 185252-52-2.

What is the molecular formula of PY-191:1?

The molecular formula of PY-191:1 is C17H15ClN4O7S2.

What is the molecular weight of PY-191:1?

The molecular weight of PY-191:1 is 486.01 g/mol.

Where can I buy PY-191:1?

You can request a quote for PY-191:1 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for PY-191:1?

Yes, KEHONG BIO provides custom synthesis services for PY-191:1 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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