Description

Butanoic acid, 3-methyl-, (1S,3S,5Z,7R,8E,11S,12S,13E,15S,17R,21R,23R,25S)-1,11,21-trihydroxy-17-(1R)-1-hydroxyethyl-5,13-bis(2-methoxy-2-oxoethylidene)-10,10,26,26-tetramethyl-19-oxo-12-(1-oxobutoxy)-18,27,28,29-tetraoxatetracyclo21.3.1.13,7.111,15nonaco is a highly complex, polyfunctional macrocyclic compound of significant interest in advanced chemical synthesis. Its intricate stereochemistry and array of functional groups make it a valuable chiral building block and intermediate for research and development in specialized pharmaceutical and agrochemical applications. This compound is primarily sought by R&D chemists and process development scientists working on novel active ingredients, complex natural product analogs, and sophisticated molecular scaffolds.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of novel, biologically active macrocyclic compounds and complex therapeutic agents.
• Agrochemical Research: Used in the development of new-generation pesticides or herbicides with specific, targeted modes of action due to its complex structure.
• Advanced Material Science: Potential building block for designing functional polymers or dendrimers with precise stereochemical and functional group control.
• Chemical Biology Probes: Utilized in the creation of specialized molecular probes to study enzyme mechanisms or protein-ligand interactions.
• Asymmetric Synthesis Catalyst Development: Acts as a sophisticated ligand precursor or core structure for novel chiral catalysts.
• Natural Product Synthesis: Critical intermediate in the total or semi-synthesis of complex natural products with similar polyoxygenated, macrocyclic frameworks.

Basic Information

Product Name	Butanoic acid, 3-methyl-, (1S,3S,5Z,7R,8E,11S,12S,13E,15S,17R,21R,23R,25S)-1,11,21-trihydroxy-17-(1R)-1-hydroxyethyl-5,13-bis(2-methoxy-2-oxoethylidene)-10,10,26,26-tetramethyl-19-oxo-12-(1-oxobutoxy)-18,27,28,29-tetraoxatetracyclo21.3.1.13,7.111,15nonaco
CAS No.	91523-82-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	(1S,3S,5Z,7R,8E,11S,12S,13E,15S,17R,21R,23R,25S)-1,11,21-Trihydroxy-17-[(1R)-1-hydroxyethyl]-5,13-bis(2-methoxy-2-oxoethylidene)-10,10,26,26-tetramethyl-19-oxo-12-(1-oxobutoxy)-18,27,28,29-tetraoxatetracyclo[21.3.1.13,7.111,15]nonacosane-4-carboxylic acid; 3-Methylbutanoic acid derivative (macrocyclic); Complex macrocyclic butanoate ester; Polyoxygenated tetracyclic lactone derivative.
EINECS	Contact for details

Quality Control

This high-value specialty chemical is produced under strict quality control protocols to ensure batch-to-batch consistency and purity required for sensitive research applications. Identity and purity are confirmed via advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, chiral purity (enantiomeric/excess), and impurity profile is provided with each shipment to support your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). This compound is likely light-sensitive and may be hygroscopic; handle and store under an inert atmosphere such as nitrogen or argon for long-term stability. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (HPLC/MS)	Conforms to reference standard
Assay (HPLC)	≥ 95.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% e.e.
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single unknown impurity ≤ 0.5%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Water Content (KF)	≤ 0.5% w/w

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.