Description

Acetic Acid, (3-Ethyl-4-Hydroxy-4-Methyl-2-Pyrrolidinylidene)-, Ethyl Ester (9Ci) is a specialized pyrrolidinylidene acetic acid ester derivative, identified by CAS number 503570-37-4. This compound serves as a crucial advanced pharmaceutical intermediate and a versatile building block in synthetic organic chemistry. It is primarily required by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Synthesis: Building block for developing new-generation pesticides and herbicides with specific modes of action.
• Fine Chemical Production: Used in the manufacture of specialty chemicals, dyes, and performance materials requiring specific chiral or structural motifs.
• Academic & Industrial Research: Serves as a standard or starting material in medicinal chemistry and process development research.
• Ligand and Catalyst Development: Potential use in creating novel ligands for asymmetric catalysis or metal complexes.

Basic Information

Product Name	Acetic Acid, (3-Ethyl-4-Hydroxy-4-Methyl-2-Pyrrolidinylidene)-, Ethyl Ester (9Ci)
CAS No.	503570-37-4
Molecular Formula	C11H19NO3
Molecular Weight	213.27 g/mol
Synonyms	Ethyl (3-Ethyl-4-hydroxy-4-methyl-2-pyrrolidinylidene)acetate; (3-Ethyl-4-hydroxy-4-methyl-2-pyrrolidinylidene)acetic acid ethyl ester; 2-Pyrrolidinylideneacetic acid, 3-ethyl-4-hydroxy-4-methyl-, ethyl ester; Acetic acid, 2-(3-ethyl-4-hydroxy-4-methyl-2-pyrrolidinylidene)-, ethyl ester; Ethyl 2-(3-ethyl-4-hydroxy-4-methyl-2,5-dihydro-1H-pyrrol-2-ylidene)acetate
EINECS	Contact for details

Quality Control

Our Acetic Acid, (3-Ethyl-4-Hydroxy-4-Methyl-2-Pyrrolidinylidene)-, Ethyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity, identity, and consistency, meeting the stringent requirements for advanced intermediates. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are available upon request to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). The compound may be hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere if specified. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (HPLC, Area %)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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