Description

Hydrazinecarboxylic Acid, 1-Cyclopentyl-, 1,1-Dimethylethyl Ester (9Ci) is a specialized organic compound belonging to the class of protected hydrazine derivatives. This chemical serves as a critical building block in advanced organic synthesis, offering a protected nitrogen functionality essential for constructing complex molecular architectures. It is primarily utilized by pharmaceutical research and development teams and fine chemical manufacturers engaged in the synthesis of active pharmaceutical ingredients (APIs), agrochemicals, and other high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the multi-step synthesis of novel drug candidates, particularly those containing hydrazine or heterocyclic motifs.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Peptide Mimetics & Conjugate Chemistry: Facilitates the introduction of hydrazine-based linkers or functional groups in bioconjugation and peptide-mimetic drug design.
• Material Science Research: Acts as a monomer or functionalizing agent in the development of specialized polymers and advanced organic materials.
• Academic & Industrial R&D: Serves as a valuable reagent for methodology development and exploratory organic synthesis in laboratory settings.

Basic Information

Product Name	Hydrazinecarboxylic Acid, 1-Cyclopentyl-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	259870-74-1
Molecular Formula	C₁₀H₂₀N₂O₂
Molecular Weight	200.28 g/mol
Synonyms	tert-Butyl 1-cyclopentylhydrazinecarboxylate; 1,1-Dimethylethyl 1-cyclopentylhydrazinecarboxylate; 1-Cyclopentylhydrazinecarboxylic Acid tert-Butyl Ester; Boc-cyclopentylhydrazine; N-(tert-Butoxycarbonyl)-N'-cyclopentylhydrazine; N-Cyclopentyl-N'-(tert-butoxycarbonyl)hydrazine; tert-Butyl N-cyclopentylcarbazate
EINECS	Contact for details

Quality Control

Our production of Hydrazinecarboxylic Acid, 1-Cyclopentyl-, 1,1-Dimethylethyl Ester adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, 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 and regulatory needs.

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). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider maintaining the product under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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