Description

Carbamic Acid, (4-Cyclopropyl-1,3-Butadienyl)-, 1,1-Dimethylethyl Ester (9Ci) is a specialized organic building block of significant interest in advanced synthetic chemistry. This compound, identified by CAS number 157372-92-4, serves as a critical intermediate for constructing complex molecular architectures, particularly in pharmaceutical research and development. It is primarily sought after by R&D chemists and process development scientists in the fine chemical and life sciences industries.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), especially those targeting central nervous system (CNS) disorders or anti-infective agents.
• Agrochemical Research: Used in the development of new-generation pesticides and herbicides, leveraging its unique cyclopropyl and dienyl structure for bioactivity.
• Material Science: Serves as a monomer or cross-linking agent in the research of specialty polymers with tailored thermal or optical properties.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions and other cycloadditions to create complex, polycyclic frameworks in medicinal chemistry programs.
• Academic & Contract Research: Utilized in university and CRO (Contract Research Organization) laboratories for methodological studies and the discovery of new chemical entities.

Basic Information

Product Name	Carbamic Acid, (4-Cyclopropyl-1,3-Butadienyl)-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	157372-92-4
Molecular Formula	C12H17NO2
Molecular Weight	207.27 g/mol
Synonyms	tert-Butyl (4-cyclopropylbuta-1,3-dien-1-yl)carbamate; N-Boc-4-cyclopropyl-1,3-butadien-1-amine; (4-Cyclopropyl-1,3-butadienyl)carbamic acid tert-butyl ester; Boc-Protected 4-Cyclopropylbutadienylamine; 1,1-Dimethylethyl (4-cyclopropyl-1,3-butadienyl)carbamate; N-(tert-Butoxycarbonyl)-4-cyclopropyl-1,3-butadien-1-amine
EINECS	Contact for details

Quality Control

Our production of Carbamic Acid, (4-Cyclopropyl-1,3-Butadienyl)-, 1,1-Dimethyl Ester adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Every lot is fully characterized using advanced analytical techniques including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store at 2-8°C under an inert atmosphere. The compound is moisture-sensitive; keep the container in a cool, dry, and well-ventilated place. Allow the sealed container to reach room temperature before opening to prevent condensation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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