Description

(S)-α-(Hydroxymethyl)Benzeneacetic Acid (1β,2α,4α,5β,7α)-9-Butyl-9-Methyl-3-Oxa-9-Azoniatricyclo[3.3.1.02,4]Nonane-7-Yl Ester is a high-purity, complex organic ester with a defined stereochemistry. This compound is valued for its role as a sophisticated chiral intermediate and building block in advanced synthetic chemistry. It is primarily required by research and development laboratories and production facilities in the pharmaceutical and fine chemical sectors for the synthesis of active pharmaceutical ingredients (APIs) and other high-value specialty molecules.

Application

• Pharmaceutical Intermediate: A key chiral building block in the multi-step synthesis of novel therapeutic agents and active pharmaceutical ingredients (APIs).
• Asymmetric Synthesis: Utilized in stereoselective reactions to construct complex molecular architectures with high enantiomeric purity.
• Medicinal Chemistry Research: Serves as a critical reagent in drug discovery programs for exploring structure-activity relationships (SAR).
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, including catalysts, ligands, and advanced materials.
• Process Development & Scale-up: Used in optimizing synthetic routes from laboratory scale to pilot and commercial production.
• Reference Standard: Acts as a high-purity analytical standard for quality control and method validation in regulatory submissions.

Basic Information

Product Name	(S)-α-(Hydroxymethyl)Benzeneacetic Acid (1β,2α,4α,5β,7α)-9-Butyl-9-Methyl-3-Oxa-9-Azoniatricyclo[3.3.1.02,4]Nonane-7-Yl Ester
CAS No.	7182-53-8
Molecular Formula	C22H33NO4
Molecular Weight	375.51 g/mol
Synonyms	(S)-α-(Hydroxymethyl)benzeneacetic acid 9-butyl-9-methyl-3-oxa-9-azoniatricyclo[3.3.1.0²,⁴]nonan-7-yl ester; Tropine 9-butyl-9-methyl-3-oxa-9-azoniatricyclo[3.3.1.0²,⁴]nonan-7-yl (S)-mandelate; 9-Butyl-9-methyl-3-oxa-9-azoniatricyclo[3.3.1.0²,⁴]nonan-7-yl (S)-2-hydroxy-2-phenylacetate; (1R,2S,4S,5R,7S)-9-Butyl-9-methyl-3-oxa-9-azoniatricyclo[3.3.1.0²,⁴]nonan-7-yl (S)-mandelate; Benzeneacetic acid, α-(hydroxymethyl)-, (1R,2S,4S,5R,7S)-9-butyl-9-methyl-3-oxa-9-azoniatricyclo[3.3.1.0²,⁴]nonan-7-yl ester, (αS)-; Tropanyl (S)-mandelate derivative; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our (S)-α-(Hydroxymethyl)Benzeneacetic Acid (1β,2α,4α,5β,7α)-9-Butyl-9-Methyl-3-Oxa-9-Azoniatricyclo[3.3.1.02,4]Nonane-7-Yl Ester is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the stringent requirements for pharmaceutical R&D and cGMP manufacturing. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profile is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). The compound may be hygroscopic; handle and store under an inert atmosphere such as nitrogen for long-term storage to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Chiral Purity (Enantiomeric Excess)	≥ 99.0% ee
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Residual Solvents (GC)	Complies with 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.