Description

Hydrazinecarboxylic Acid, (1-Ethoxyethylidene)-, 1,1-Dimethylethyl Ester (9Ci) is a specialized organic compound with the CAS number 159016-20-3, primarily utilized as a versatile building block and protecting group reagent in advanced synthetic chemistry. Its value lies in enabling complex molecular transformations, particularly in the synthesis of heterocycles and active pharmaceutical ingredients (APIs), where precise control over reaction pathways is critical. This high-purity intermediate is essential for research and development laboratories, fine chemical manufacturers, and pharmaceutical companies focused on innovative drug discovery and process chemistry.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides.
• Organic Synthesis Reagent: Serves as a versatile reagent for constructing hydrazine and carbamate derivatives in academic and industrial R&D.
• Peptide Chemistry: Employed as a protecting group agent in the synthesis of peptide analogs and related biomolecules.
• Material Science Research: Used in the development of novel polymers and functional organic materials.
• Chemical Biology Probes: A precursor for synthesizing molecular probes and diagnostic agents.

Basic Information

Product Name	Hydrazinecarboxylic Acid, (1-Ethoxyethylidene)-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	159016-20-3
Molecular Formula	C9H18N2O3
Molecular Weight	202.25 g/mol
Synonyms	tert-Butyl (1-ethoxyethylidene)carbazate; 1,1-Dimethylethyl (1-ethoxyethylidene)hydrazinecarboxylate; (1-Ethoxyethylidene)carbamic Acid tert-Butyl Ester; N-(1-Ethoxyethylidene)-N'-tert-butoxycarbonyl Hydrazine; BOC-Hydrazone Ethyl Ether; tert-Butyl N-[(1-ethoxyethylidene)amino]carbamate
EINECS	Contact for details

Quality Control

Our Hydrazinecarboxylic Acid, (1-Ethoxyethylidene)-, 1,1-Dimethylethyl Ester (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC, to ensure high purity and batch-to-batch consistency suitable for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere such as nitrogen or argon to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Any single unknown impurity	≤ 1.0%

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