Esperamicin A1B structure

Esperamicin A1B

TL;DR: Esperamicin A1B (CAS 88895-06-1) is a chemical compound with molecular formula C58H78N4O22S4 and molecular weight 1310.40 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

[(2S,3R,4S,6S)-6-[[(5Z,13E)-2-[(2R,3S,4R,5R)-3-[(4S,5S)-5-(ethylamino)-4-methoxyoxan-2-yl]oxy-4-hydroxy-5-[[(4S,5R,6R)-4-hydroxy-6-methyl-5-methylsulfanyloxan-2-yl]oxyamino]-6-methyloxan-2-yl]oxy-9-hydroxy-12-(methoxycarbonylamino)-13-[2-(methyltrisulfanyl)ethylidene]-11-oxo-10-bicyclo[7.3.1]trideca-1(12),5-dien-3,7-diynyl]oxy]-3-hydroxy-2-methyloxan-4-yl] 4,5-dimethoxy-2-(2-methoxyprop-2-enoylamino)benzoate

Also Known As: Esperamicin A1B, [(2S,3R,4S,6S)-6-[[(5Z,13E)-2-[(2R,3S,4R,5R)-3-[(4S,5S)-5-(ethylamino)-4-methoxyoxan-2-yl]oxy-4-hydroxy-5-[[(4S,5R,6R)-4-hydroxy-6-methyl-5-methylsulfanyloxan-2-yl]oxyamino]-6-methyloxan-2-yl]oxy-9-hydroxy-12-(methoxycarbonylamino)-13-[2-(methyltrisulfanyl)ethylidene]-11-oxo-10-bicyclo[7.3.1]trideca-1(12),5-dien-3,7-diynyl]oxy]-3-hydroxy-2-methyloxan-4-yl] 4,5-dimethoxy-2-(2-methoxyprop-2-enoylamino)benzoate, Carbamic acid, (8-((4,6-dideoxy-2-O-(2,4-dideoxy-4-(ethylamino)-3-O-methyl-alpha-L-threo-pentopyranosyl)-4-(((2,6-dideoxy-4S-methyl-4-thio-beta-D-ribo-hexopyranosyl)oxy)amino)-beta-D-glucopyranosyl)oxy)-12-((2,6-dideoxy-3-O-(4,5-dimethoxy-2-((2-methoxy-1-oxo-2-propenyl)amino)benzoyl)-alpha-L-lyso-hexopyranosyl)oxy)-1-hydroxy-13-(2-(methyltrithio)ethylidene)-11-oxobicyclo(7.3.1)trideca-4,9-diene-2,6-diyn-10-yl)-, methyl ester, (1R-(1R*,4Z,8S*,12S*, Carbamic acid, (8-((4,6-dideoxy-2-O-(2,4-dideoxy-4-(ethylamino)-3-O-methyl-alpha-L-threo-pentopyranosyl)-4-(((2,6-dideoxy-4S-methyl-4-thio-beta-D-ribo-hexopyranosyl)oxy)amino)-beta-D-glucopyranosyl)oxy)-12-((2,6-dideoxy-3-O-(4,5-dimethoxy-2-((2-methoxy-1-oxo-2-propenyl)amino)benzoyl)-alpha-L-lyso-hexopyranosyl)oxy)-1-hydroxy-13-(2-(methyltrithio)ethylidene)-11-oxobicyclo(7.3.1)trideca-4,9-diene-2,6-diyn-10-yl)-, methyl ester, (1R-(1R*,4Z,8S*,12S*,13E))-

CAS: 88895-06-1
Molecular Formula C58H78N4O22S4
Molecular Weight 1310.40 g/mol
LogP 3.0279
Topological Polar Surface Area 326.54 Ų
Hydrogen Bond Donors 8
Hydrogen Bond Acceptors 28
Rotatable Bonds 25
Exact Mass 1310.399
Heavy Atoms 88
Complexity 2852.4277

Chemical Identifiers

CAS Number 88895-06-1
SMILES CCN[C@H]1COC(C[C@@H]1OC)O[C@H]2[C@@H]([C@H](C(O[C@H]2OC3C#C/C=C\C#CC\4(C(C(=O)C(=C3/C4=C\CSSSC)NC(=O)OC)O[C@H]5C[C@@H]([C@@H]([C@@H](O5)C)O)OC(=O)C6=CC(=C(C=C6NC(=O)C(=C)OC)OC)OC)O)C)NOC7C[C@@H]([C@H]([C@H](O7)C)SC)O)O

Product Overview

Esperamicin A1B (CAS 88895-06-1), with molecular formula C58H78N4O22S4 and molecular weight 1310.40 g/mol. IUPAC: [(2S,3R,4S,6S)-6-[[(5Z,13E)-2-[(2R,3S,4R,5R)-3-[(4S,5S)-5-(ethylamino)-4-methoxyoxan-2-yl]oxy-4-hydroxy-5-[[(4S,5R,6R)-4-hydroxy-6-methyl-5-methylsulfanyloxan-2-yl]oxyamino]-6-methyloxan-2-yl]oxy-9-hydroxy-12-(methoxycarbonylamino)-13-[2-(methyltrisulfanyl)ethylidene]-11-oxo-10-bicyclo[7.3.1]trideca-1(12),5-dien-3,7-diynyl]oxy]-3-hydroxy-2-methyloxan-4-yl] 4,5-dimethoxy-2-(2-methoxyprop-2-enoylamino)benzoate.

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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 Esperamicin A1B

XLogP
3.0279
TPSA (Topological Polar Surface Area)
326.54
Hydrogen Bond Donors
8
Hydrogen Bond Acceptors
28
Rotatable Bonds
25
Heavy Atoms
88
Complexity
2852.4277
Exact Mass
1310.399
Monoisotopic Mass
1310.399
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 Esperamicin A1B

The XLogP value of 3.0279 indicates that Esperamicin A1B is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 326.54 Ų indicates high polarity, suggesting Esperamicin A1B may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Esperamicin A1B has 8 hydrogen bond donor(s) and 28 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 Esperamicin A1B?

The CAS number of Esperamicin A1B is 88895-06-1.

What is the molecular formula of Esperamicin A1B?

The molecular formula of Esperamicin A1B is C58H78N4O22S4.

What is the molecular weight of Esperamicin A1B?

The molecular weight of Esperamicin A1B is 1310.40 g/mol.

Where can I buy Esperamicin A1B?

You can request a quote for Esperamicin A1B directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Esperamicin A1B?

Yes, KEHONG BIO provides custom synthesis services for Esperamicin A1B and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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