Avermectin A2a structure

Avermectin A2a

TL;DR: Avermectin A2a (CAS 65195-53-1) is a chemical compound with molecular formula C49H76O15 and molecular weight 904.52 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(1R,4S,5'S,6R,6'R,8R,10Z,12S,13S,14Z,16Z,20R,21R,24S)-6'-[(2S)-butan-2-yl]-4',24-dihydroxy-12-[(2R,4S,5S,6S)-5-[(2S,4S,5S,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-21-methoxy-5',11,13,22-tetramethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2-one

Also Known As: Avermectin A2a, Antibiotic C 076A2a, L 676893, Avermectin A1a, 22,23-dihydro-23-hydroxy-, (23S)-, (1R,4S,5'S,6R,6'R,8R,10Z,12S,13S,14Z,16Z,20R,21R,24S)-6'-[(2S)-Butan-2-yl]-4',24-dihydroxy-12-[(2R,4S,5S,6S)-5-[(2S,4S,5S,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-21-methoxy-5',11,13,22-tetramethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2-one

CAS: 65195-53-1
Molecular Formula C49H76O15
Molecular Weight 904.52 g/mol
LogP 5.2263
Topological Polar Surface Area 179.29 Ų
Hydrogen Bond Donors 3
Hydrogen Bond Acceptors 15
Rotatable Bonds 9
Exact Mass 904.51843
Heavy Atoms 64
Complexity 1732.1344

Chemical Identifiers

CAS Number 65195-53-1
SMILES CC[C@H](C)[C@@H]1[C@H](C(C[C@@]2(O1)C[C@@H]3C[C@H](O2)C/C=C(\[C@H]([C@H](/C=C\C=C/4\CO[C@H]5[C@@]4([C@@H](C=C([C@H]5OC)C)C(=O)O3)O)C)O[C@H]6C[C@@H]([C@H]([C@@H](O6)C)O[C@H]7C[C@@H]([C@H]([C@@H](O7)C)O)OC)OC)/C)O)C

Product Overview

Avermectin A2a (CAS 65195-53-1), with molecular formula C49H76O15 and molecular weight 904.52 g/mol. IUPAC: (1R,4S,5'S,6R,6'R,8R,10Z,12S,13S,14Z,16Z,20R,21R,24S)-6'-[(2S)-butan-2-yl]-4',24-dihydroxy-12-[(2R,4S,5S,6S)-5-[(2S,4S,5S,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-21-methoxy-5',11,13,22-tetramethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2-one.

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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 Avermectin A2a

XLogP
5.2263
TPSA (Topological Polar Surface Area)
179.29
Hydrogen Bond Donors
3
Hydrogen Bond Acceptors
15
Rotatable Bonds
9
Heavy Atoms
64
Complexity
1732.1344
Exact Mass
904.51843
Monoisotopic Mass
904.51843
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 Avermectin A2a

The XLogP value of 5.2263 indicates that Avermectin A2a is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 179.29 Ų indicates high polarity, suggesting Avermectin A2a may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Avermectin A2a has 3 hydrogen bond donor(s) and 15 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.

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 Avermectin A2a?

The CAS number of Avermectin A2a is 65195-53-1.

What is the molecular formula of Avermectin A2a?

The molecular formula of Avermectin A2a is C49H76O15.

What is the molecular weight of Avermectin A2a?

The molecular weight of Avermectin A2a is 904.52 g/mol.

Where can I buy Avermectin A2a?

You can request a quote for Avermectin A2a directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Avermectin A2a?

Yes, KEHONG BIO provides custom synthesis services for Avermectin A2a and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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