Description

(7S,16E,20α)-16,17-Didehydro-9-Hydroxy-17-Methoxy-2-Oxocorynoxan-16-Carboxylic Acid Methyl Ester is a high-purity, structurally complex oxindole alkaloid derivative of significant interest in advanced research and development. This compound matters as a critical reference standard and a valuable chemical building block for pharmaceutical discovery, particularly in the study of neurological and bioactive natural products. It is primarily needed by research institutions, pharmaceutical R&D laboratories, and fine chemical manufacturers focused on developing novel therapeutics and analytical methods.

Application

• Pharmaceutical Reference Standard: Used for the qualitative and quantitative analysis of corynoxan alkaloids and related compounds in research and quality control laboratories.
• Medicinal Chemistry Intermediate: Serves as a key synthetic precursor or scaffold for the development of new drug candidates targeting neurological pathways.
• Biochemical Research: Employed in pharmacological studies to investigate biological activity, receptor binding, and mechanism of action.
• Natural Product Synthesis: Used as an intermediate in the total or semi-synthesis of complex natural products and their analogs.
• Analytical Method Development: Acts as a critical component in developing and validating HPLC, LC-MS, and other chromatographic methods for alkaloid detection.

Basic Information

Product Name	(7S,16E,20α)-16,17-Didehydro-9-Hydroxy-17-Methoxy-2-Oxocorynoxan-16-Carboxylic Acid Methyl Ester
CAS No.	6883-25-6
Molecular Formula	C₂₁H₂₄N₂O₅
Molecular Weight	384.43 g/mol
Synonyms	9-Hydroxy-17-methoxy-2-oxocorynoxan-16-carboxylic acid methyl ester; Corynoxan-16-carboxylic acid, 16,17-didehydro-9-hydroxy-17-methoxy-2-oxo-, methyl ester, (7S,16E,20α)-; Methyl (7S,16E,20α)-16,17-didehydro-9-hydroxy-17-methoxy-2-oxocorynoxan-16-carboxylate; 2-Oxocorynoxan-16-carboxylic acid derivative; Oxindole alkaloid derivative; Corynoxine B related compound
EINECS	Contact for details

Quality Control

Our (7S,16E,20α)-16,17-Didehydro-9-Hydroxy-17-Methoxy-2-Oxocorynoxan-16-Carboxylic Acid Methyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (NMR, MS), to ensure it meets the high standards required for research and development. Comprehensive Certificates of Analysis (COA) detailing identity, purity, and impurities are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The compound is light-sensitive; prolonged exposure to light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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