Description

Protostemotinine CAS NO 169534-85-4 is a high-purity, specialized alkaloid compound of significant interest in advanced pharmaceutical research and development. This compound serves as a critical intermediate or reference standard in the synthesis and study of novel therapeutic agents, particularly those targeting neurological pathways. It is essential for research institutions, pharmaceutical companies, and biotechnology firms engaged in drug discovery, process development, and analytical method validation.

Application

• Pharmaceutical Intermediate: A key building block in the synthetic pathways for novel central nervous system (CNS) active drugs.
• Reference Standard: Used for quality control, method development, and calibration in analytical laboratories (HPLC, LC-MS).
• Biochemical Research: Employed in pharmacological studies to investigate receptor binding affinity and mechanism of action.
• Process Chemistry: Serves as a starting material or intermediate in the scale-up and optimization of active pharmaceutical ingredient (API) manufacturing.
• Academic Research: Utilized in university and institutional labs for studying natural product synthesis and medicinal chemistry.

Basic Information

Product Name	Protostemotinine
CAS No.	169534-85-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Protostemotinine; Stemotinine precursor; (1R,9S,10S,12S)-10-Ethyl-4,12-dimethoxy-11-methyl-10-azahexacyclo[7.7.0.0²,⁷.0³,⁶.0⁹,¹³.0¹¹,¹⁵]hexadeca-2,4,6,14-tetraen-8-one; Alkaloid C- from *Stemona* species
EINECS	Contact for details

Quality Control

Our Protostemotinine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for research applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry guidelines to support our clients' regulatory and compliance 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 product is light-sensitive (store away from light) and hygroscopic (moisture-sensitive). For long-term storage, consider desiccant and inert atmosphere conditions.

Specification

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

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