Description

18β-Hydroxy-11,17α-Dimethoxy-3β,20α-Yohimban-16β-Carboxylic Acid Methyl, p-Bromobenzenesulfonate Ester CAS NO 1262-67-5 is a high-purity, complex indole alkaloid derivative, specifically a yohimbane ester, valued for its role as a critical pharmaceutical intermediate. This compound is essential for researchers and manufacturers engaged in the synthesis and development of specialized bioactive molecules. Its primary utility is found in advanced pharmaceutical R&D, particularly for exploring novel therapeutic agents within the alkaloid class.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex indole alkaloids and potential active pharmaceutical ingredients (APIs).
• Research Chemical: Used in academic and industrial laboratories for pharmacological studies and structure-activity relationship (SAR) research.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in chromatographic analysis.
• Organic Synthesis: Employed in multi-step synthetic routes to create novel compounds for screening in drug discovery programs.
• Biochemical Research: Utilized in studies investigating the interaction of yohimbane derivatives with biological systems.

Basic Information

Product Name	18β-Hydroxy-11,17α-Dimethoxy-3β,20α-Yohimban-16β-Carboxylic Acid Methyl, p-Bromobenzenesulfonate Ester
CAS No.	1262-67-5
Molecular Formula	C30H35BrN2O7S
Molecular Weight	647.58 g/mol
Synonyms	Methyl 18β-hydroxy-11,17α-dimethoxy-3β,20α-yohimban-16β-carboxylate 4-bromobenzenesulfonate; Yohimbane-16β-carboxylic acid, 18-hydroxy-11,17-dimethoxy-3,20-epoxy- methyl ester, 4-bromobenzenesulfonate; 16β-Carbomethoxy-18-hydroxy-11,17-dimethoxy-3,20-epoxy-yohimbane 4-bromobenzenesulfonate; Rescinnamine Impurity; Reserpine related compound; p-Bromobenzenesulfonate ester of methyl yohimban-16β-carboxylate derivative.
EINECS	Contact for details

Quality Control

Our production of 18β-Hydroxy-11,17α-Dimethoxy-3β,20α-Yohimban-16β-Carboxylic Acid Methyl, p-Bromobenzenesulfonate Ester adheres to stringent quality protocols suitable for research and pharmaceutical intermediate applications. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and compliance with your research or quality system requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This compound should be handled as a moisture-sensitive and light-sensitive material. Keep the container tightly sealed in a dry environment to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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