Description

1-Cyclopentyl-3-[4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Phenyl]Urea is a high-purity boronic ester derivative, a critical building block in modern synthetic chemistry. Its value lies in its role as a key intermediate for constructing complex molecules via cross-coupling reactions, enabling the development of novel compounds. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality intermediates for drug discovery and specialty chemical synthesis.

Application

• Pharmaceutical Intermediate: A crucial precursor in Suzuki-Miyaura cross-coupling reactions for synthesizing active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and insecticides by enabling the introduction of the cyclopentyl-urea moiety into complex structures.
• Material Science: Serves as a building block for creating organic electronic materials, such as those used in OLEDs and semiconductors.
• Chemical Biology & Proteomics: Employed in the synthesis of molecular probes and enzyme inhibitors for target identification and validation studies.
• Custom Synthesis & Contract Manufacturing: A vital starting material for custom synthesis houses and CROs/CMOs producing bespoke organic compounds for client projects.
• Academic Research: Used in university and institutional labs for methodological development in organic synthesis and catalysis research.

Basic Information

Product Name	1-Cyclopentyl-3-[4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Phenyl]Urea
CAS No.	874297-80-0
Molecular Formula	C18H27BN2O3
Molecular Weight	330.23 g/mol
Synonyms	4-(1-Cyclopentyl-3-ureido)phenylboronic acid pinacol ester; N-Cyclopentyl-N'-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]urea; 1-Cyclopentyl-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)urea; Urea, N-cyclopentyl-N'-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-; [4-[[(Cyclopentylamino)carbonyl]amino]phenyl]boronic acid pinacol ester
EINECS	Contact for details

Quality Control

Our 1-Cyclopentyl-3-[4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Phenyl]Urea is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are 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 place at a controlled room temperature (15-25°C). The compound is moisture-sensitive; keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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