Pyrethrin structure

Pyrethrin

TL;DR: Pyrethrin (CAS 121637-29-4) is a chemical compound with molecular formula C22H28O5 and molecular weight 372.19 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

[2-methyl-4-oxo-3-[(2E)-penta-2,4-dienyl]cyclopent-2-en-1-yl] 3-[(E)-3-methoxy-2-methyl-3-oxoprop-1-enyl]-2,2-dimethylcyclopropane-1-carboxylate

Also Known As: Pyrethrin, Biospray S, Pyretrin II, Pyrethrin 2, PYRETHRIN II

CAS: 121637-29-4
Molecular Formula C22H28O5
Molecular Weight 372.19 g/mol
LogP 3.7113
Topological Polar Surface Area 69.67 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 5
Rotatable Bonds 7
Exact Mass 372.19366
Heavy Atoms 27
Complexity 750.66486

Chemical Identifiers

CAS Number 121637-29-4
SMILES CC1=C(C(=O)CC1OC(=O)C2C(C2(C)C)/C=C(\C)/C(=O)OC)C/C=C/C=C

Product Overview

Pyrethrin (CAS 121637-29-4), with molecular formula C22H28O5 and molecular weight 372.19 g/mol. IUPAC: [2-methyl-4-oxo-3-[(2E)-penta-2,4-dienyl]cyclopent-2-en-1-yl] 3-[(E)-3-methoxy-2-methyl-3-oxoprop-1-enyl]-2,2-dimethylcyclopropane-1-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.
View MSDS →

Chemical Property Profile of Pyrethrin

XLogP
3.7113
TPSA (Topological Polar Surface Area)
69.67
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
5
Rotatable Bonds
7
Heavy Atoms
27
Complexity
750.66486
Exact Mass
372.19366
Monoisotopic Mass
372.19366
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 Pyrethrin

The XLogP value of 3.7113 indicates that Pyrethrin is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 69.67 Ų falls within the moderate polarity range, balancing permeability and solubility for Pyrethrin. Following Lipinski's Rule of Five, Pyrethrin has 0 hydrogen bond donor(s) and 5 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 Pyrethrin?

The CAS number of Pyrethrin is 121637-29-4.

What is the molecular formula of Pyrethrin?

The molecular formula of Pyrethrin is C22H28O5.

What is the molecular weight of Pyrethrin?

The molecular weight of Pyrethrin is 372.19 g/mol.

Where can I buy Pyrethrin?

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

Does KEHONG BIO offer custom synthesis for Pyrethrin?

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

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