Erythromycin Stearate structure

Erythromycin Stearate

TL;DR: Erythromycin Stearate (CAS 643-22-1) is a chemical compound with molecular formula C55H103NO15 and molecular weight 1017.73 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12,13-trihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione;octadecanoic acid

Also Known As: ERYTHROMYCIN STEARATE, Bristamycin, Abboticine, Gallimycin, Erypar

CAS: 643-22-1
Molecular Formula C55H103NO15
Molecular Weight 1017.73 g/mol
LogP 8.12
Topological Polar Surface Area 231.0 Ų
Hydrogen Bond Donors 6
Hydrogen Bond Acceptors 16
Rotatable Bonds 23
Exact Mass 1017.7328
Heavy Atoms 71
Complexity 1380.0
Melting Point 212 to 103.9 °C
Solubility less than 1 mg/mL at 72 °F (NTP, 1992)

Chemical Identifiers

CAS Number 643-22-1
SMILES CCCCCCCCCCCCCCCCCC(=O)O.CC[C@@H]1[C@@]([C@@H]([C@H](C(=O)[C@@H](C[C@@]([C@@H]([C@H]([C@@H]([C@H](C(=O)O1)C)O[C@H]2C[C@@]([C@H]([C@@H](O2)C)O)(C)OC)C)O[C@H]3[C@@H]([C@H](C[C@H](O3)C)N(C)C)O)(C)O)C)C)O)(C)O
InChIKey YAVZHCFFUATPRK-YZPBMOCRSA-N

Patent-Derived Application Labels

Derived from 5 IPC patent classification(s) across the SureChEMBL global patent database.

Analytical Reagents (1 patents) Biotechnology (6 patents) Heterocyclic Building Blocks (5 patents) Peptides & Amino Acids (23 patents) Pharmaceutical Intermediates (67 patents)

Product Overview

Erythromycin Stearate (CAS 643-22-1), with molecular formula C55H103NO15 and molecular weight 1017.73 g/mol. IUPAC: (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12,13-trihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione;octadecanoic 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 Erythromycin Stearate

XLogP
8.12
TPSA (Topological Polar Surface Area)
231.0
Hydrogen Bond Donors
6
Hydrogen Bond Acceptors
16
Rotatable Bonds
23
Heavy Atoms
71
Complexity
1380.0
Exact Mass
1017.7328
Monoisotopic Mass
1017.7328
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 Erythromycin Stearate

The XLogP value of 8.12 indicates that Erythromycin Stearate is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 231.0 Ų indicates high polarity, suggesting Erythromycin Stearate may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Erythromycin Stearate has 6 hydrogen bond donor(s) and 16 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 Erythromycin Stearate?

The CAS number of Erythromycin Stearate is 643-22-1.

What is the molecular formula of Erythromycin Stearate?

The molecular formula of Erythromycin Stearate is C55H103NO15.

What is the molecular weight of Erythromycin Stearate?

The molecular weight of Erythromycin Stearate is 1017.73 g/mol.

Where can I buy Erythromycin Stearate?

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

Does KEHONG BIO offer custom synthesis for Erythromycin Stearate?

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

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